Doctor profile · Federal record
Dr. Kerwin Farmer, DO
Emergency Medicine Physician (CMS: Emergency Medicine) · Anesthesiology Physician · Family Medicine Physician · Alpena, MI
- NPI 1942209010
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1501 W Chisholm St
Alpena, MI 497071401
(800) 968-6866
fax (616) 532-7230 - Additional location
-
416 Connable Ave
Petoskey, MI 497702212
(800) 248-6777 - Additional location
-
748 S Main St
Cheboygan, MI 497212220
(231) 487-2490 - Mailing address
-
4100 Embassy Dr Se Ste 400
Grand Rapids, MI 495462416
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- December 1, 2025
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Michigan #5101013227
- Medicaid (2)
- MI #1942209010 · MI #4336993
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942209010. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
257
Distinct HCPCS
4
Medicare allowed
$35,865
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 129 | 118 | $119 | |
99285 |
Emergency department visit with high level of medical decision making | 68 | 62 | $175 | |
99291 |
Critical care, first 30-74 minutes | 31 | 31 | $210 | |
99283 |
Emergency department visit with low level of medical decision making | 29 | 29 | $71 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 64. This provider delivers 4.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
64
Patients
52
Total drug cost
$328
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methylprednisolone | Generic | 15 | 15 | $126 |
| Azithromycin | Generic | 13 | 12 | $38 |
| Tramadol Hcl | Generic | 13 | 13 | $17 |
| Cephalexin | Generic | 12 | 12 | $121 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 0 | $26 |
Hospital affiliations
Frequently asked questions
What is Dr. Kerwin Farmer's medical specialty?
Dr. Kerwin Farmer practices Emergency Medicine Physician in Alpena, MI.
Where does Dr. Kerwin Farmer practice?
Dr. Kerwin Farmer practices at 1501 W Chisholm St, Alpena, MI 497071401. Office phone: 8009686866.
What is Dr. Kerwin Farmer's NPI?
Dr. Kerwin Farmer's National Provider Identifier (NPI) is 1942209010, issued by NPPES.
Does Dr. Kerwin Farmer accept Medicare assignment?
Yes. Dr. Kerwin Farmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kerwin Farmer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.