James Yoss, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

G61346 Issued in CA

Practice address

1 Shrader St
Suite 640
San Francisco, CA 94117-1016

Phone

(415) 752-0100

Fax

(415) 752-7103

NPI assigned

Jul 12, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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

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.

• Mercy Doctors Medical Group Inc

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1801809447
  Medicare reassignment NPD

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

{
    "created_epoch": "1121126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932107109",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 SHRADER ST",
            "address_2": "SUITE 640",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941171016",
            "telephone_number": "415-752-0100",
            "fax_number": "415-752-7103"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 SHRADER ST",
            "address_2": "SUITE 640",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941171016",
            "telephone_number": "415-752-0100",
            "fax_number": "415-752-7103"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOSS",
        "first_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G61346",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G613460",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• David Andrew York, D.C.
• Emi Yoshida, M.D.
• Maya Yoshida
• Yoshiko Murai
• Lynn Yoshimura
• C. Spencer Yost, MD
• Janet Yost, LVN
• Margaret A Yost
• Kristina Marlene Yotive, L.AC
• You Acupuncture and Wellness Inc

• Internal Medicine Physician in San Francisco, CA
• Providers in San Francisco, 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 Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.