Doctor profile · Federal record
Dr. Michael Williams, MD
Internal Medicine Physician (CMS: Internal Medicine) · Southfield, MI
- NPI 1841291325
- Accepts Medicare
- MIPS 80.5 / 100 · 2023
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22255 Greenfield RD, 410
Southfield, MI 480753710
(248) 849-2850
fax (248) 849-5751 - Mailing address
-
15990 W 9 Mile RD
Southfield, MI 480754826
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- February 24, 2011
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #4301041998
- Medicaid
- MI #327146410
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841291325. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
371
Distinct HCPCS
6
Medicare allowed
$38,936
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 200 | 119 | $99 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 49 | 49 | $130 | |
99497 |
Advance care planning, first 30 minutes | 45 | 45 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 41 | 17 | $118 | |
99238 |
Hospital discharge day management, 30 minutes or less | 20 | 19 | $82 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 16 | 16 | $177 |
In context: peer comparison
Among 64 peers in Southfield Internal Medicine Physician, average services per provider: 113. This provider delivers 3.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,273
Patients
697
Total drug cost
$37,510
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 472 | 134 | $5,548 |
| Atorvastatin Calcium | Generic | 289 | 95 | $5,257 |
| Losartan Potassium | Generic | 193 | 59 | $3,949 |
| Hydrochlorothiazide | Generic | 186 | 61 | $1,087 |
| Metformin Hcl | Generic | 140 | 44 | $1,540 |
| Lisinopril | Generic | 139 | 47 | $2,301 |
| Rosuvastatin Calcium | Generic | 134 | 41 | $2,421 |
| Famotidine | Generic | 120 | 31 | $2,012 |
| Metoprolol Succinate | Generic | 100 | 33 | $3,091 |
| Omeprazole | Generic | 100 | 32 | $1,364 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Williams's medical specialty?
Dr. Michael Williams practices Internal Medicine Physician in Southfield, MI.
Where does Dr. Michael Williams practice?
Dr. Michael Williams practices at 22255 Greenfield RD, Southfield, MI 480753710. Office phone: 2488492850.
What is Dr. Michael Williams's NPI?
Dr. Michael Williams's National Provider Identifier (NPI) is 1841291325, issued by NPPES.
Does Dr. Michael Williams accept Medicare assignment?
Yes. Dr. Michael Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.