Howard B. Kerwin, DO
Internal Medicine Physician · Clinton Twp, MI
Howard B. Kerwin, DO is an internal medicine physician with a practice address in Clinton Twp, Michigan, and NPI 1134124209, issued on Jun 16, 2005. Check the license (Michigan 5101008611, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Howard B. Kerwin
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101008611 MI
Self-reported in NPPES; status is on the state search - Practice location
- 15520 19 Mile RD, Clinton Twp, MI 48038
- Phone
- (586) 228-1010
- Enumerated
- Jun 16, 2005
- Record last updated
- Apr 18, 2022
- Fax
- (586) 228-8570
- Medicaid ID
- 1999965 MI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 15520 19 Mile RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Howard B. Kerwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101008611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
22 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Howard B. Kerwin among 5,735 internal medicine physician records in Michigan
Howard B. Kerwin, DO is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Clinton Twp
They are 15 of the 955 NPPES records with a practice address in Clinton Twp, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Clinton Twp → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Timothy Boufford, M.D.Clinton Twp, MI 480381811991177
- James Clinton, D.O.Clinton Township, MI 480381558340356
- Rudyard Dimson, MDClinton Township, MI 480381700956356
- Anu Duvoor, M.D.Clinton Twp, MI 480381528089497
- Bryan Eastes, MDClinton Township, MI 480381336157866
- Ben Fajardo, M.D.Clinton Twp, MI 480381518986801
- Eugeniya Khanukov, MDClinton Township, MI 480381326056946
- Nina Rehman, DOClinton Township, MI 480381417968827
Common questions
What is Howard B. Kerwin, DO's NPI number?
Howard B. Kerwin, DO's National Provider Identifier (NPI) is 1134124209, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Howard B. Kerwin, DO located?
The NPPES record lists a practice address at 15520 19 Mile RD, Clinton Twp, MI, 48038. Phone: (586) 228-1010. Providers update this record themselves, so call before visiting.
How can I verify Howard B. Kerwin, DO's license?
NPPES lists Michigan license number 5101008611, 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 Howard B. Kerwin, DO prescribe under Medicare Part D?
In 2024, Howard B. Kerwin, DO had 22 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.