Gary Gershony, M.D.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

G47523 Issued in CA

Practice address

400 Parnassus Ave Ste 501
San Francisco, CA 94143-2202

Phone

(415) 353-2873

Fax

(415) 353-2528

NPI assigned

Jun 30, 2005

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

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 1

Specialty

Interventional CardiologyAlso: Cardiovascular Disease (Cardiology), Internal Medicine

Education

Other, 1979

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The West Oakland Health CouncilGroup PAC ID 9537062302, 27 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Alta Bates Summit Medical Center Hospital, Oakland, CA, CCN 050043

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.

• The West Oakland Health Council

  • Federally Qualified Health Center (FQHC)
  • Oakland, CA
  • NPI 1285754234
  Medicare reassignment Care Compare group NPD
• John Muir Health

  • Cardiovascular Disease Physician
  • Concord, CA
  • NPI 1760602726
  Medicare reassignment NPD
• Vibra Physicians LLC

  • Hospitalist Physician
  • Johnstown, CO
  • NPI 1659705424

  CA

  Medicare reassignment NPD
• John Muir Physician Network

  • General Practice Physician
  • Walnut Creek, CA
  • NPI 1841407665
  Medicare reassignment
• John Muir Health

  • Pharmacy
  • Walnut Creek, CA
  • NPI 1366208688
  NPD
• The West Oakland Health Council

  • Psychiatric/Mental Health Nurse Practitioner
  • Oakland, CA
  • NPI 1043331630
  NPD
• Diablo Cardiology Medical Group, Inc

  • Cardiovascular Disease Physician
  • Walnut Creek, CA
  • NPI 1700808748
  NPD (past)

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

• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1295181477
  Care Compare affiliation

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

{
    "created_epoch": "1120089600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1821095134",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "315 PERSHING DR",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946113236",
            "telephone_number": "925-408-7252",
            "fax_number": "510-601-0433"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 PARNASSUS AVE STE 501",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432202",
            "telephone_number": "415-353-2873",
            "fax_number": "415-353-2528"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2540 East St",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "CA",
            "postal_code": "945201906",
            "country_code": "US",
            "telephone_number": "925-408-7252",
            "fax_number": "510-601-0433",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GERSHONY",
        "first_name": "GARY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-06-30",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "G47523",
            "primary": true
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "CA",
            "license": "G47523",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "P01474763",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Marie Geronimo
• Oscar Geronimo
• Lawrence Edward Gerquest
• Faina Gersh
• Katherine Gershfeld, MD
• Karen N. Gershow, RN
• Helena Gershwin, CCC, SLP
• Alexandra Gersing, MD
• Mara N Gerson, PSYD
• Rebecca Gerson

• Cardiovascular Disease Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Cardiovascular Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 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.