Michael Gregory Williams, MD
Michael Gregory Williams is a General Practice Physician provider (General Practice) practicing in Southfield, MI, registered in the NPPES registry with NPI 1578561304 since 2005. The credential MD stands for Doctor of Medicine. Practices at Adv Medical Equipment, LLC (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1578561304 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Michael Gregory Williams |
| Credential | MD |
| Sex | Male |
| Practice address | Southfield, MI, 48076 |
| Phone | 2489053194 |
| Fax | 2489053548 |
| Enumeration date | 2005-07-14 |
| Last updated in NPPES | 2026-01-18 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 207P00000X | Emergency Medicine Physician | Secondary | MW049187 | MI |
| 208D00000X | General Practice Physician | Primary | 4301049187 | MI |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| P00943709 | Other | MI | RAILROAD MEDICARE IND PIN |
| 1578561304 | Medicaid | MI | — |
| 0108118302 | Other | MI | BCBS IND |
Copy-ready billing details
Provider: Michael Williams, MD NPI: 1578561304 Taxonomy: 208D00000X (General Practice Physician) Address: Southfield, MI, 48076
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1922678606 | Adv Medical Equipment, LLC | Organization | Durable Medical Equipment & Medical Supplies | Southfield, MI |
Verify this record
Cross-check NPI 1578561304 against the authoritative CMS record: view Michael Gregory Williams on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2026-01-18.