Thomas Petroff, DO

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

5101011412 Issued in MI

Practice address

2445 Jolly Rd
Suite 100
Okemos, MI 48864-4590

Phone

(517) 347-4040

Fax

(517) 347-4109

NPI assigned

Jan 10, 2006

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 7

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

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.

• McLaren Medical Group

  • Diagnostic Radiology Physician
  • Lapeer, MI
  • NPI 1073650750
  NPD (past)

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

{
    "created_epoch": "1136851200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1578542452",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 S BALLENGER HWY",
            "city": "FLINT",
            "state": "MI",
            "postal_code": "485323638",
            "telephone_number": "810-342-1000",
            "fax_number": "810-342-1590"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2445 JOLLY RD",
            "address_2": "SUITE 100",
            "city": "OKEMOS",
            "state": "MI",
            "postal_code": "488644590",
            "telephone_number": "517-347-4040",
            "fax_number": "517-347-4109"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETROFF",
        "first_name": "THOMAS",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MI",
            "license": "5101011412",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTH NET FEDERAL SERVIC",
            "identifier": "G13956",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIANS HEALTH PLAN",
            "identifier": "0700090",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4308415",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "1653300644",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTH ADVANTAGE NETWORK",
            "identifier": "252501",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MCLAREN HEALTH PLAN",
            "identifier": "252501",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4651172",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alexandra Perez
• Kirby Kenneth Perrault, DC
• Dennis James Perry, M.D.
• Nicolas Pertusi
• Rachael Peters
• Pgpa LLC (PGPA Pharmacy)
• Jacqueline Pham
• Alexis M Phillips, NP
• Colleen Patricia Phillips, OD
• Stephen Adrian Phillips, DDS

• Obstetrics & Gynecology Physician in Okemos, MI
• Providers in Okemos, 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.