Stephen Williams Internal Medicine MD PC

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

STEPHEN WILLIAMS INTERNAL MEDICINE MD PC

Practice address

1800 W Big Beaver Rd Ste 150
Troy, MI 48084-3535

Phone

(248) 688-0917

Fax

(248) 419-6123

NPI assigned

Mar 21, 2023

Last updated

May 1, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Stephen A Williams, MDNPI 1962464982

Title

Physician/Owner

Phone

(248) 207-6784

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Stephen A Williams, MD

  • Internal Medicine Physician
  • Troy, MI
  • NPI 1962464982
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1679356800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1777593600000",
    "number": "1811699051",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 W BIG BEAVER RD STE 150",
            "city": "TROY",
            "state": "MI",
            "postal_code": "480843535",
            "telephone_number": "248-688-0917",
            "fax_number": "248-419-6123"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 W BIG BEAVER RD STE 150",
            "city": "TROY",
            "state": "MI",
            "postal_code": "480843535",
            "telephone_number": "248-688-0917",
            "fax_number": "248-419-6123"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "STEPHEN WILLIAMS INTERNAL MEDICINE MD PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-03-21",
        "last_updated": "2026-05-01",
        "certification_date": "2026-05-01",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "STEPHEN",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "PHYSICIAN/OWNER",
        "authorized_official_telephone_number": "248-207-6784",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Steven E Stein, MD
• David Michael Steinberger, PA
• Kirsten Erna Steinfeldt, LMSW
• Diane Marie Stemmler-Malley, BSN, RN
• Pamela Ann Stennett, PA-C
• Kaelon Stephens
• Marielle Stepho
• Sterling Hearing Care
• Steven D Rimar MD PC
• Steven E Stein MD PC

• Internal Medicine Physician in Troy, MI
• Providers in Troy, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.