Stephen Williams Internal Medicine MD PC
NPI 1811699051 · Internal Medicine Physician · Troy, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Williams Internal Medicine MD PC is a Internal Medicine Physician organization in Troy, MI (NPI 1811699051).
Provider details
- NPI number
- 1811699051
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stephen Williams, Physician/Owner(248) 207-6784
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-21
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Stephen Williams Internal Medicine MD PC's NPI number?
- Stephen Williams Internal Medicine MD PC's National Provider Identifier (NPI) is 1811699051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen Williams Internal Medicine MD PC?
- Stephen Williams Internal Medicine MD PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Williams Internal Medicine MD PC located?
- Stephen Williams Internal Medicine MD PC's practice location on file with NPPES is 1800 W Big Beaver Rd Ste 150, Troy, MI 48084-3535.
- What is Stephen Williams Internal Medicine MD PC's phone number?
- The practice phone number listed in the NPPES registry for Stephen Williams Internal Medicine MD PC is (248) 688-0917.
- Does Stephen Williams Internal Medicine MD PC accept Medicare?
- Stephen Williams Internal Medicine MD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Stephen Williams Internal Medicine MD PC?
- The authorized official listed on Stephen Williams Internal Medicine MD PC's NPPES record is Stephen Williams, Physician/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen Williams Internal Medicine MD PC's NPI active?
- Yes — Stephen Williams Internal Medicine MD PC's NPI (1811699051) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.