James Tambs, D.O.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

5101008377 Issued in MI

Practice address

648 Progress St
West Branch, MI 48661-8602

Phone

(989) 345-7100

Fax

(989) 345-1336

NPI assigned

Dec 2, 2005

Last updated

Jul 13, 2026By the provider in NPPES

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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

• James Tambs DO PC

  • Gynecology Physician
  • West Branch, MI
  • NPI 1073542122
  Authorized official Same address or phone

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

{
    "created_epoch": "1133481600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1750365730",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4449 FASHION SQUARE BLVD",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486035217",
            "telephone_number": "989-790-0007",
            "fax_number": "989-790-7547"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "648 PROGRESS ST",
            "city": "WEST BRANCH",
            "state": "MI",
            "postal_code": "486618602",
            "telephone_number": "989-345-7100",
            "fax_number": "989-345-1336"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAMBS",
        "first_name": "JAMES",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MI",
            "license": "5101008377",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2930302",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lamont Swain, CRNA
• Peter L Swartz
• Jessica Lynn Swartzendruber, R.D.
• Melissa Marie Syerson, OTR
• Page Kristine Szostak, CHW
• James Tambs
• Julia Templeton
• David J Ternes, DO
• Lori Ann Tetu, MSN, RN, FNP-BC
• Thomas E. Westerfield O.D. P.C.

• Obstetrics & Gynecology Physician in West Branch, MI
• Providers in West Branch, MI by specialty
• Obstetrics & Gynecology Physician in Michigan

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.