Thomas C. Zelnik, M.D.
Psychiatry Physician · Ann Arbor, MI
Thomas C. Zelnik, M.D. is a psychiatry physician with a practice address in Ann Arbor, Michigan, and NPI 1801998380, issued on Sep 4, 2006. Check the license (Michigan 4301042194, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Thomas C. Zelnik
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 4301042194 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2008 Hogback RD, Ann Arbor, MI 48105
- Phone
- (734) 786-2397
- Enumerated
- Sep 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (734) 786-2316
- Medicaid ID
- 2904456 MI
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Also registered at 2008 Hogback RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dorothy Antonow, LMSW,ACSW,CACIClinical Social Worker1295852507
- Romeo Diccion, MA, LPCProfessional Counselor1790900934
- Bruce Gimbel, M.D.Psychiatry Physician1669484887
- Marie Marolf, ACSW LMSW CAACClinical Social Worker1710144373
Verify Thomas C. Zelnik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301042194Check 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 psychiatry physician in 2024
14 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Thomas C. Zelnik among 1,729 psychiatry physician records in Michigan
Thomas C. Zelnik, M.D. is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2007 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
246 psychiatry physician records list a practice address in Ann Arbor
They are 246 of the 15,616 NPPES records with a practice address in Ann Arbor, and 1,729 psychiatry physician records in Michigan.
All 1,729 in Michigan → Every provider in Ann Arbor → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jane Carnahan, M.D.Ann Arbor, MI 481051588765804
- Donna Champine, MDAnn Arbor, MI 481051306918818
- Barbara Day, MDAnn Arbor, MI 481051679519409
- Duane Difranco, MDAnn Arbor, MI 481051699847582
- Bruce Gimbel, M.D.Ann Arbor, MI 481051669484887
- Joyce Kales, M.D.Ann Arbor, MI 481051023194602
- Ziad Kronfol, MDAnn Arbor, MI 481051164594586
- Craig Lemmen, MDAnn Arbor, MI 481051679586002
Common questions
What is Thomas C. Zelnik, M.D.'s NPI number?
Thomas C. Zelnik, M.D.'s National Provider Identifier (NPI) is 1801998380, issued on Sep 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas C. Zelnik, M.D. located?
The NPPES record lists a practice address at 2008 Hogback RD, Ann Arbor, MI, 48105. Phone: (734) 786-2397. Providers update this record themselves, so call before visiting.
How can I verify Thomas C. Zelnik, M.D.'s license?
NPPES lists Michigan license number 4301042194, 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 Thomas C. Zelnik, M.D. prescribe under Medicare Part D?
In 2024, Thomas C. Zelnik, M.D. had 14 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.