Kerwin T. Farmer, DO
Emergency Medicine Physician · Alpena, MI
Kerwin T. Farmer, DO is an emergency medicine physician with a practice address in Alpena, Michigan, and NPI 1942209010, issued on Jul 20, 2005. Check the license (Michigan 5101013227, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Kerwin T. Farmer
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5101013227 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1501 W Chisholm St, Alpena, MI 49707
- Phone
- (800) 968-6866
- Enumerated
- Jul 20, 2005
- Record last updated
- Dec 1, 2025
- Fax
- (616) 532-7230
- Medicaid IDs
- 1942209010 MI
4336993 MI - Medicare enrollment
- Enrolled (PECOS I20040303001257); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1996
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1501 W Chisholm St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rene Beraun, M.D.Anesthesiology Physician1952462343
- Christopher Bullock, MDAnatomic Pathology & Clinical Pathology Physician1962490623
Verify Kerwin T. Farmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101013227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average emergency medicine physician in 2024
202 Medicare Part D claims for 146 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Methylprednisolone18 claims
- Ondansetron Odt17 claims
- Cephalexin14 claims
- Sulfamethoxazole-Trimethoprim14 claims
- Tramadol Hcl13 claims
- Azithromycin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Ecs Northern Michigan PCPetoskey, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kerwin T. Farmer among 3,083 emergency medicine physician records in Michigan
Kerwin T. Farmer, DO is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1996 · median 2013 among the 1,931 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Michigan
There are 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Alpena → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Larkin, DOAlpena, MI 497071780683177
- Christopher Rancont, D.O.Alpena, MI 497071467554949
- Hassan Sheikho, MDAlpena, MI 497071982620829
- David Upham, MDAlpena, MI 497071336148493
- Alexander Brown, MDCharlevoix, MI 497201306286919
- Andrew Weise, M.D.Charlevoix, MI 497201447469291
- Krista Anhalt, DOCheboygan, MI 497211952445397
- Lauren Balsei, DOCheboygan, MI 497211619613163
Common questions
What is Kerwin T. Farmer, DO's NPI number?
Kerwin T. Farmer, DO's National Provider Identifier (NPI) is 1942209010, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kerwin T. Farmer, DO located?
The NPPES record lists a practice address at 1501 W Chisholm St, Alpena, MI, 49707. Phone: (800) 968-6866. Providers update this record themselves, so call before visiting.
How can I verify Kerwin T. Farmer, DO's license?
NPPES lists Michigan license number 5101013227, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kerwin T. Farmer, DO prescribe under Medicare Part D?
In 2024, Kerwin T. Farmer, DO had 202 Medicare Part D claims for 146 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.