James Lee Wierman, DO
Internal Medicine Physician · Dowagiac, MI
James Lee Wierman, DO is an internal medicine physician with a practice address in Dowagiac, Michigan, and NPI 1942280920, issued on Jan 18, 2006. Check the license (Michigan 5101005813, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- James Lee Wierman
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101005813 MI
Self-reported in NPPES; status is on the state search - Practice location
- 400 W Division St, Dowagiac, MI 49047
- Phone
- (269) 782-2111
- Enumerated
- Jan 18, 2006
- Record last updated
- Apr 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (269) 782-9852
- Medicaid ID
- 1371059 MI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 400 W Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Campbell, GNPGerontology Nurse Practitioner1992785984
Verify James Lee Wierman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101005813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
171 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 12 claims were for opioids.
Most prescribed
- Metoprolol Succinate17 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.
James Lee Wierman among 5,735 internal medicine physician records in Michigan
James Lee Wierman, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2008 · 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).
3 internal medicine physician records list a practice address in Dowagiac
They are 3 of the 125 NPPES records with a practice address in Dowagiac, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Dowagiac → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammed Ranginwala, M.DDowagiac, MI 490471154480994
- Charles White, DODowagiac, MI 490471669437612
- Douglas Campbell, M.D.Kalamazoo, MI 490481225028921
- Amanda Campbell, DOKalamazoo, MI 490481881914893
- Vbr Datta Amara Sai Mitnala, M.DKalamazoo, MI 490481992018618
- Nadine Nehme, MDKalamazoo, MI 490481134145626
- Alexandra OprescuKalamazoo, MI 490481902914385
- Nicoara OprescuKalamazoo, MI 490481225146533
Common questions
What is James Lee Wierman, DO's NPI number?
James Lee Wierman, DO's National Provider Identifier (NPI) is 1942280920, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Lee Wierman, DO located?
The NPPES record lists a practice address at 400 W Division St, Dowagiac, MI, 49047. Phone: (269) 782-2111. Providers update this record themselves, so call before visiting.
How can I verify James Lee Wierman, DO's license?
NPPES lists Michigan license number 5101005813, 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 James Lee Wierman, DO prescribe under Medicare Part D?
In 2024, James Lee Wierman, DO had 171 Medicare Part D claims for 34 beneficiaries; 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.