Michael Williams, MD
NPI 1821076456 · Internal Medicine Physician · Rochester Hills, MI
Michael Williams, MD is a Internal Medicine Physician provider in Rochester Hills, MI (NPI 1821076456).
Provider details
- NPI number
- 1821076456
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301065754 (MI)
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
20 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 87 | 42 |
| Amlodipine Besylate | 72 | 32 |
| Omeprazole | 60 | 34 |
| Levothyroxine Sodium | 50 | 29 |
| Metoprolol Succinate | 50 | 24 |
| Lisinopril | 50 | 24 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-04
- Last updated
- 2017-12-27
Frequently asked questions
- What is Michael Williams's NPI number?
- Michael Williams's National Provider Identifier (NPI) is 1821076456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Williams's specialty?
- Michael Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Williams located?
- Michael Williams's practice location on file with NPPES is 1701 South Blvd E, Rochester Hills, MI 48307.
- What is Michael Williams's phone number?
- The practice phone number listed in the NPPES registry for Michael Williams is (248) 293-1002.
- Is Michael Williams's NPI active?
- Yes — Michael Williams's NPI (1821076456) is active in the NPPES registry as of the last update on 2017-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.