Csi Medical Group

Primary specialty

MOHS-Micrographic Surgery PhysicianTaxonomy code 207ND0101X

License

G81771 Issued in CA

Legal business name

CSI MEDICAL GROUP

Practice address

1360 W 6TH St Ste 370
San Pedro, CA 90732-3527

Phone

(310) 519-8890

Fax

(310) 519-9349

NPI assigned

Jul 10, 2014

Last updated

Nov 25, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Eric S Schweiger, MDNPI 1396777041

Title

Owner

Phone

(212) 283-3000

Specialties & licenses 6

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations (25 of 33)

Practitioners 257

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Julia Arzeno, M.D. (06/2017)

  • Dermatology Physician
  • San Jose, CA
  • NPI 1578094785
  Medicare reassignment Care Compare group NPD
• Moriah Psalm Barboza, N.P.

  • Nurse Practitioner
  • Palm Desert, CA
  • NPI 1417110347
  Medicare reassignment Care Compare group NPD
• Anand Raja Bhupathy, D.O.

  • Dermatology Physician
  • Corona, CA
  • NPI 1881790418
  Medicare reassignment Care Compare group NPD
• Catherine A Biren, M.D.

  • Dermatology Physician
  • Modesto, CA
  • NPI 1124021035
  Medicare reassignment Care Compare group NPD
• Roy B Blumenstrauch, M.D.

  • Specialist
  • Torrance, CA
  • NPI 1639175409
  Medicare reassignment Care Compare group NPD
• Andrew Breithaupt, M.D.

  • MOHS-Micrographic Surgery Physician
  • Los Angeles, CA
  • NPI 1437460359
  Medicare reassignment Care Compare group NPD
• Patricia Cavender, MD

  • Dermatology Physician
  • Valencia, CA
  • NPI 1487626867
  Medicare reassignment Care Compare group NPD
• Simran Arinder Chadha, M.D.

  • Dermatology Physician
  • Sunnyvale, CA
  • NPI 1932626140
  Medicare reassignment Care Compare group NPD
• Peter Chansky, MD

  • Dermatology Physician
  • San Francisco, CA
  • NPI 1356846588
  Medicare reassignment Care Compare group NPD
• Aaron Chen, D.O.

  • Dermatology Physician
  • San Francisco, CA
  • NPI 1780043703
  Medicare reassignment Care Compare group NPD
• Rebecca Chen

  • Dermatology Physician
  • Palo Alto, CA
  • NPI 1972131431
  Medicare reassignment Care Compare group NPD
• Milene Kennedy Crispin, M.D.

  • Dermatology Physician
  • Salinas, CA
  • NPI 1811253040
  Medicare reassignment Care Compare group NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1404950400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764028800000",
    "number": "1871909804",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 104527",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911890416",
            "telephone_number": "408-369-5620",
            "fax_number": "408-904-7730"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1360 W 6TH ST STE 370",
            "city": "SAN PEDRO",
            "state": "CA",
            "postal_code": "907323527",
            "telephone_number": "310-519-8890",
            "fax_number": "310-519-9349"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13847 E 14th St Ste 218",
            "address_purpose": "LOCATION",
            "city": "San Leandro",
            "state": "CA",
            "postal_code": "945782626",
            "country_code": "US",
            "telephone_number": "510-483-0312",
            "fax_number": "510-483-5864",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1441 Avocado Ave Ste 409",
            "address_purpose": "LOCATION",
            "city": "Newport Beach",
            "state": "CA",
            "postal_code": "926607705",
            "country_code": "US",
            "telephone_number": "949-640-4501",
            "fax_number": "949-640-0741",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9460 N Name Uno Ste 210",
            "address_purpose": "LOCATION",
            "city": "Gilroy",
            "state": "CA",
            "postal_code": "950203532",
            "country_code": "US",
            "telephone_number": "408-847-0888",
            "fax_number": "408-847-1257",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4201 Torrance Blvd Ste 640",
            "address_purpose": "LOCATION",
            "city": "Torrance",
            "state": "CA",
            "postal_code": "905034524",
            "country_code": "US",
            "telephone_number": "310-543-4444",
            "fax_number": "310-543-4446",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3838 California St Rm 610",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941181508",
            "country_code": "US",
            "telephone_number": "415-387-8007",
            "fax_number": "415-387-8008",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "425 Haaland Dr Ste 204",
            "address_purpose": "LOCATION",
            "city": "Thousand Oaks",
            "state": "CA",
            "postal_code": "913615231",
            "country_code": "US",
            "telephone_number": "805-497-8080",
            "fax_number": "805-497-8806",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "800 Fairmount Ave Ste 220",
            "address_purpose": "LOCATION",
            "city": "Pasadena",
            "state": "CA",
            "postal_code": "911053154",
            "country_code": "US",
            "telephone_number": "626-585-9474",
            "fax_number": "626-585-9480",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25815 Barton Rd Ste 101",
            "address_purpose": "LOCATION",
            "city": "Loma Linda",
            "state": "CA",
            "postal_code": "923543894",
            "country_code": "US",
            "telephone_number": "909-796-0224",
            "fax_number": "909-796-0225",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "380 W Central Ave Ste 320",
            "address_purpose": "LOCATION",
            "city": "Brea",
            "state": "CA",
            "postal_code": "928213066",
            "country_code": "US",
            "telephone_number": "714-870-7546",
            "fax_number": "714-447-3376",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1518 Cypress Drive",
            "address_purpose": "LOCATION",
            "city": "Pebble Beach",
            "state": "CA",
            "postal_code": "93953",
            "country_code": "US",
            "telephone_number": "831-333-9007",
            "fax_number": "831-333-9001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9675 Brighton Way Ste 350",
            "address_purpose": "LOCATION",
            "city": "Beverly Hills",
            "state": "CA",
            "postal_code": "902105188",
            "country_code": "US",
            "telephone_number": "310-275-4195",
            "fax_number": "818-222-2821",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1620 E 2nd St Ste N",
            "address_purpose": "LOCATION",
            "city": "Beaumont",
            "state": "CA",
            "postal_code": "922233172",
            "country_code": "US",
            "telephone_number": "951-845-6500",
            "fax_number": "866-856-0338",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11100 Warner Ave Ste 264",
            "address_purpose": "LOCATION",
            "city": "Fountain Valley",
            "state": "CA",
            "postal_code": "927087512",
            "country_code": "US",
            "telephone_number": "714-549-1770",
            "fax_number": "714-549-5049",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24025 Park Sorrento Ste 405",
            "address_purpose": "LOCATION",
            "city": "Calabasas",
            "state": "CA",
            "postal_code": "913024037",
            "country_code": "US",
            "telephone_number": "818-222-2055",
            "fax_number": "818-222-2821",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "285 N El Camino Real Ste 117",
            "address_purpose": "LOCATION",
            "city": "Encinitas",
            "state": "CA",
            "postal_code": "920245384",
            "country_code": "US",
            "telephone_number": "760-633-1000",
            "fax_number": "760-753-8657",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "501 S Shore Ctr W # 103A",
            "address_purpose": "LOCATION",
            "city": "Alameda",
            "state": "CA",
            "postal_code": "945015762",
            "country_code": "US",
            "telephone_number": "510-227-7028",
            "fax_number": "510-274-7119",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "20400 Lake Chabot Rd Ste 202",
            "address_purpose": "LOCATION",
            "city": "Castro Valley",
            "state": "CA",
            "postal_code": "945465315",
            "country_code": "US",
            "telephone_number": "510-881-7822",
            "fax_number": "510-881-8552",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "360 San Miguel Dr Ste 309",
            "address_purpose": "LOCATION",
            "city": "Newport Beach",
            "state": "CA",
            "postal_code": "926607829",
            "country_code": "US",
            "telephone_number": "949-640-0434",
            "fax_number": "949-640-0277",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "36867 Cook St Ste 101",
            "address_purpose": "LOCATION",
            "city": "Palm Desert",
            "state": "CA",
            "postal_code": "922116064",
            "country_code": "US",
            "telephone_number": "760-341-1999",
            "fax_number": "760-341-1997",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "39210 State St Ste 218",
            "address_purpose": "LOCATION",
            "city": "Fremont",
            "state": "CA",
            "postal_code": "945381456",
            "country_code": "US",
            "telephone_number": "510-790-0477",
            "fax_number": "510-790-1835",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9781 Blue Larkspur Ln Ste 100",
            "address_purpose": "LOCATION",
            "city": "Monterey",
            "state": "CA",
            "postal_code": "939406509",
            "country_code": "US",
            "telephone_number": "831-333-9008",
            "fax_number": "831-333-9010",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1524 McHenry Ave Ste 470",
            "address_purpose": "LOCATION",
            "city": "Modesto",
            "state": "CA",
            "postal_code": "953504572",
            "country_code": "US",
            "telephone_number": "209-578-5072",
            "fax_number": "209-578-5292",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3311 Mission Dr",
            "address_purpose": "LOCATION",
            "city": "Santa Cruz",
            "state": "CA",
            "postal_code": "950651827",
            "country_code": "US",
            "telephone_number": "831-475-4315",
            "fax_number": "831-475-6526",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "45 Castro St Ste 332",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941141019",
            "country_code": "US",
            "telephone_number": "415-861-2600",
            "fax_number": "415-861-8627",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3562 Round Barn Cir Ste 320",
            "address_purpose": "LOCATION",
            "city": "Santa Rosa",
            "state": "CA",
            "postal_code": "954030182",
            "country_code": "US",
            "telephone_number": "707-578-1900",
            "fax_number": "707-578-1111",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2438 N Ponderosa Dr Ste C105",
            "address_purpose": "LOCATION",
            "city": "Camarillo",
            "state": "CA",
            "postal_code": "930102465",
            "country_code": "US",
            "telephone_number": "805-388-2068",
            "fax_number": "805-484-7700",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "129 Fremont Ave",
            "address_purpose": "LOCATION",
            "city": "Los Altos",
            "state": "CA",
            "postal_code": "940223956",
            "country_code": "US",
            "telephone_number": "650-917-7711",
            "fax_number": "650-917-7712",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "18988 Cox Ave",
            "address_purpose": "LOCATION",
            "city": "Saratoga",
            "state": "CA",
            "postal_code": "950704154",
            "country_code": "US",
            "telephone_number": "408-253-4407",
            "fax_number": "408-253-4499",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "289 W Huntington Dr Ste 208",
            "address_purpose": "LOCATION",
            "city": "Arcadia",
            "state": "CA",
            "postal_code": "910073495",
            "country_code": "US",
            "telephone_number": "626-446-8809",
            "fax_number": "626-446-8268",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1700 N Rose Ave Ste 450",
            "address_purpose": "LOCATION",
            "city": "Oxnard",
            "state": "CA",
            "postal_code": "930307628",
            "country_code": "US",
            "telephone_number": "805-201-2821",
            "fax_number": "805-278-0137",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2420 Samaritan Dr",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951243907",
            "country_code": "US",
            "telephone_number": "408-369-5600",
            "fax_number": "408-558-7949",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "603 S Knickerbocker Dr",
            "address_purpose": "LOCATION",
            "city": "Sunnyvale",
            "state": "CA",
            "postal_code": "940871034",
            "country_code": "US",
            "telephone_number": "408-736-0441",
            "fax_number": "408-736-0722",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "204 Green Valley Rd",
            "address_purpose": "LOCATION",
            "city": "Freedom",
            "state": "CA",
            "postal_code": "950193135",
            "country_code": "US",
            "telephone_number": "831-728-2005",
            "fax_number": "831-728-3310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1800 Sullivan Ave Rm 403",
            "address_purpose": "LOCATION",
            "city": "Daly City",
            "state": "CA",
            "postal_code": "940152224",
            "country_code": "US",
            "telephone_number": "650-994-3238",
            "fax_number": "650-991-1119",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1165 N Euclid St",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928011938",
            "country_code": "US",
            "telephone_number": "714-991-9990",
            "fax_number": "714-991-9496",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "700 Garden View Ct Ste 100",
            "address_purpose": "LOCATION",
            "city": "Encinitas",
            "state": "CA",
            "postal_code": "920242478",
            "country_code": "US",
            "telephone_number": "760-633-1000",
            "fax_number": "760-753-8657",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1934 Via Ctr # B",
            "address_purpose": "LOCATION",
            "city": "Vista",
            "state": "CA",
            "postal_code": "920816056",
            "country_code": "US",
            "telephone_number": "760-295-2299",
            "fax_number": "760-216-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "909 Hyde St Ste 419",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941094846",
            "country_code": "US",
            "telephone_number": "415-678-5887",
            "fax_number": "415-829-8897",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "136 N San Mateo Dr Fl 2",
            "address_purpose": "LOCATION",
            "city": "San Mateo",
            "state": "CA",
            "postal_code": "944012778",
            "country_code": "US",
            "telephone_number": "650-348-1242",
            "fax_number": "650-348-0788",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1127 Wilshire Blvd Ste 600",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900173907",
            "country_code": "US",
            "telephone_number": "213-278-0021",
            "fax_number": "213-278-0973",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3060 Broadway",
            "address_purpose": "LOCATION",
            "city": "Redwood City",
            "state": "CA",
            "postal_code": "940621512",
            "country_code": "US",
            "telephone_number": "650-361-1177",
            "fax_number": "650-361-1826",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "114 E Romie Ln",
            "address_purpose": "LOCATION",
            "city": "Salinas",
            "state": "CA",
            "postal_code": "939013126",
            "country_code": "US",
            "telephone_number": "831-757-1007",
            "fax_number": "831-757-0352",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1030 Sir Francis Drake Blvd Ste 110",
            "address_purpose": "LOCATION",
            "city": "Kentfield",
            "state": "CA",
            "postal_code": "949041439",
            "country_code": "US",
            "telephone_number": "415-461-1036",
            "fax_number": "415-461-1043",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "CSI MEDICAL GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2014-07-10",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A",
        "authorized_official_last_name": "SCHWEIGER",
        "authorized_official_first_name": "ERIC",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "212-283-3000",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology",
            "state": "CA",
            "license": "G81771",
            "primary": false
        },
        {
            "code": "207ND0101X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "CA",
            "license": "G81771",
            "primary": true
        },
        {
            "code": "207ND0900X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology, Dermatopathology",
            "state": "CA",
            "license": "G81771",
            "primary": false
        },
        {
            "code": "207NI0002X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology, Clinical & Laboratory Dermatological Immunology",
            "state": "CA",
            "license": "G81771",
            "primary": false
        },
        {
            "code": "207NP0225X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology, Pediatric Dermatology",
            "state": "CA",
            "license": "G81771",
            "primary": false
        },
        {
            "code": "207NS0135X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology, Procedural Dermatology",
            "state": "CA",
            "license": "G81771",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tana Isabel Crain, REGISTERED STUDENT
• Aaron Roger Crandell
• Olga Elena Crawford, AGANP-BC, FNP-C
• Salina Crespin
• Paul Cruz
• Michael Culmer, M.D.
• Kathryn Cummins
• Custodian Incorporation (Custodian Medical Supply)
• Krystal Michelle Cvitanovich
• Carolyn Dana Czaplicki, D.O.

• MOHS-Micrographic Surgery Physician in San Pedro, CA
• Providers in San Pedro, CA by specialty
• MOHS-Micrographic Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.