Ryan Isaac Nasseri, MD

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

A182219 Issued in CA

Practice address

200 W Arbor Dr
San Diego, CA 92103-9000

Phone

(800) 926-8273

Fax

(888) 539-8781

NPI assigned

Apr 15, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WA, CA2 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 2

Specialty

Urology

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Regents of the University of CaliforniaGroup PAC ID 3577476761, 2,047 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UC San Diego Health Hillcrest - Hillcrest Med Ctr Hospital, San Diego, CA, CCN 050025

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Regents of the University of California

  • Surgery Physician
  • San Diego, CA
  • NPI 1740382993

  Urology

  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  • Diagnostic Radiology Physician
  • San Diego, CA
  • NPI 1558463927
  NPD
• The Association of University Physicians

  • Anesthesiology Physician
  • Seattle, WA
  • NPI 1023041159

  Urology

  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Regents of the University of California

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1184722779
  Care Compare affiliation

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

{
    "created_epoch": "1555286400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1841853058",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "FILE 57326",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900747326",
            "telephone_number": "800-926-8273"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 W ARBOR DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921039000",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1959 NE Pacific St",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981951911",
            "country_code": "US",
            "telephone_number": "206-520-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6645 Alvarado Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921205208",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6655 Alvarado Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921205208",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NASSERI",
        "first_name": "RYAN",
        "middle_name": "ISAAC",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-15",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "WA",
            "license": "MD61538564",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "CA",
            "license": "A182219",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nikole N Nassen, PH.D.
• Nadin Nasser
• Ramiz Nasser, D.M.D.
• Talal A Nasser, M.D.
• Parsa Nasseri
• Dario Nassif, PHARMD
• Felicia Elizabeth Nassif, RN
• Leela Metz Nassif, PA-C
• Mamanding Nasso
• Claudette Nassoor-Satnick, D.O.

• Urology Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Urology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.