Pamela C Sullivan, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

59371 Issued in AZ

Practice address

7755 Center Ave Ste 630
Huntington Beach, CA 92647

Phone

(657) 237-2450

NPI assigned

Jan 18, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 6

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in NY, OR, WA, AZ, NV5 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 5

Specialty

Internal Medicine

Education

Drexel University College of Medicine, 1990

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: pamela.sullivan.1@27427.direct.athenahealth.com
• Direct secure messaging: psullivan@landmarkhealth-direct.org
• Direct secure messaging: ms_psulli31@landmarkhealth-direct.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Bacchus PC

  dba P3 Health Partners Medical Group

  • Family Medicine Physician
  • Henderson, NV
  • NPI 1134628480
  Medicare reassignment NPD
• Emergency Care Services of New York, P.C.

  • Emergency Medicine Physician
  • Syracuse, NY
  • NPI 1639236656
  Medicare reassignment NPD
• Landmark Medical of Tennessee PC

  • General Practice Physician
  • Scottsdale, AZ
  • NPI 1144944398
  Medicare reassignment NPD
• P3 Medical Group PC

  • Family Medicine Physician
  • Salem, OR
  • NPI 1689266926
  Medicare reassignment NPD
• The Unity Hospital of Rochester

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1760421713
  Medicare reassignment NPD
• The Unity Hospital of Rochester

  dba Unity Physician Services

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1457395766
  NPD
• Western New York Immediate Medical Care LLC

  dba WNY Immediate Care

  • Urgent Care Clinic/Center
  • Williamsville, NY
  • NPI 1316014491
  NPD
• Western New York Immediate Medical Care LLC

  • Emergency Medicine Physician
  • Orchard Park, NY
  • NPI 1427224625
  NPD
• Emergency Physician Services of New York, P.C.

  • Emergency Medicine Physician
  • Poughkeepsie, NY
  • NPI 1093759847
  NPD (past)
• Landmark Health of Oregon LLC

  • General Practice Physician
  • Tigard, OR
  • NPI 1205226214
  NPD (past)
• Summit Medical Group, PLLC

  • Family Medicine Physician
  • Knoxville, TN
  • NPI 1699722470
  NPD (past)

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

{
    "created_epoch": "1169078400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1326191107",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2370 CORPORATE CIR STE 300",
            "city": "HENDERSON",
            "state": "NV",
            "postal_code": "890747760",
            "telephone_number": "702-910-3950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7755 CENTER AVE STE 630",
            "city": "HUNTINGTON BEACH",
            "state": "CA",
            "postal_code": "92647",
            "telephone_number": "657-237-2450"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2645 Meridian Pkwy Ste 323",
            "address_purpose": "LOCATION",
            "city": "Durham",
            "state": "NC",
            "postal_code": "277139957",
            "country_code": "US",
            "telephone_number": "657-237-2450",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "701 Seneca St Ste 646C",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142101351",
            "country_code": "US",
            "telephone_number": "716-995-4450",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "460 Briarwood Dr Ste 400-32",
            "address_purpose": "LOCATION",
            "city": "Jackson",
            "state": "MS",
            "postal_code": "392063051",
            "country_code": "US",
            "telephone_number": "657-237-2450",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3436 Magazine St Unit 7145",
            "address_purpose": "LOCATION",
            "city": "New Orleans",
            "state": "LA",
            "postal_code": "701152413",
            "country_code": "US",
            "telephone_number": "833-362-5364",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "113 Glenn Pl Unit 100",
            "address_purpose": "LOCATION",
            "city": "Lexington",
            "state": "KY",
            "postal_code": "405053518",
            "country_code": "US",
            "telephone_number": "833-358-2278",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10870 Benson Dr Ste 2160",
            "address_purpose": "LOCATION",
            "city": "Overland Park",
            "state": "KS",
            "postal_code": "662101509",
            "country_code": "US",
            "telephone_number": "833-357-3227",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9020 SW Washington Square Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Tigard",
            "state": "OR",
            "postal_code": "972234435",
            "country_code": "US",
            "telephone_number": "503-420-5852",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10 Dorrance St Ste 700",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029032014",
            "country_code": "US",
            "telephone_number": "833-229-0957",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3455 Mill Run Dr Ste 310",
            "address_purpose": "LOCATION",
            "city": "Hilliard",
            "state": "OH",
            "postal_code": "430269082",
            "country_code": "US",
            "telephone_number": "833-358-2036",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "171 NW Medical Loop Ste 200",
            "address_purpose": "LOCATION",
            "city": "Roseburg",
            "state": "OR",
            "postal_code": "974718822",
            "country_code": "US",
            "telephone_number": "971-701-9058",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5255 E Williams Cir Ste 3000",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857117407",
            "country_code": "US",
            "telephone_number": "520-392-8400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SULLIVAN",
        "first_name": "PAMELA",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-18",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD187315",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "188059",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "188059",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "59371",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G155173",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "19305",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "930079485",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02089325",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Aya Sugimoto
• Maria Elisabeth Sulistio, PSYD
• Graciela Kuata Sullivan, DDS., MS
• Lacey Sullivan, BCBA
• Leah Barbara Sullivan, FNP-C
• Melanie Summerhayes, PSY.D
• Summit Neurology Inc
• Sun Medical Group Huntington Inc
• Sun Surgery Center Huntington LLC
• Alice C Sun, D.D.S.

• Internal Medicine Physician in Huntington Beach, CA
• Providers in Huntington Beach, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.