NPPES file of Aug 9, 2026

Jennifer Christine Zelnik, M.D.

Internal Medicine Physician · Ann Arbor, MI

Jennifer Christine Zelnik, M.D. is an internal medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1437412491, issued on Jun 24, 2012. Check the license (Michigan 4301107130, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437412491
Name
Jennifer Christine Zelnik
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
4301107130 MI
2012017467 MO
Self-reported in NPPES; status is on the state search
Practice location
375 Briarwood Cir, Ann Arbor, MI 48108
Phone
(734) 998-2020
Enumerated
Jun 24, 2012
Record last updated
May 13, 2024
Medicare enrollment
Enrolled (PECOS I20150807013568); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2012
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 375 Briarwood Cir

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patricia Arizaca-Dileo, M.D.Internal Medicine Physician1306004759
  2. Alexandra CastroStudent in an Organized Health Care Education/Training Program1639006950
  3. Nicole CremerStudent in an Organized Health Care Education/Training Program1134789266
  4. Elizabeth Drake, MDInternal Medicine Physician1881783751
  5. Kayla GallantStudent in an Organized Health Care Education/Training Program1699602979
  6. Yousif GariaqozaStudent in an Organized Health Care Education/Training Program1891535845

Verify Jennifer Christine Zelnik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301107130
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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48% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,667 Medicare Part D claims for 184 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Jennifer Zelnik1,667
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium181 claims
  2. Amlodipine Besylate117 claims
  3. Losartan Potassium107 claims
  4. Levothyroxine Sodium105 claims
  5. Lisinopril81 claims
  6. Omeprazole76 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

  1. Regents OF The University OF MichiganAnn Arbor, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jennifer Christine Zelnik among 5,735 internal medicine physician records in Michigan

Jennifer Christine Zelnik, M.D. 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 2012, is newer than 59% of them.

  • NPI issued2012 · 59% of these records are older, 39% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2012 · median 2006 among the 3,564 with a school on file
  • Record last updated2024 · 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).

479 internal medicine physician records list a practice address in Ann Arbor

They are 479 of the 15,616 NPPES records with a practice address in Ann Arbor, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Brian Brophy, MDAnn Arbor, MI 481081508881954
  2. Madhavi Dandu, M.D.Ann Arbor, MI 481081366469298
  3. Eleni Dimaraki, MDAnn Arbor, MI 481081659307320
  4. Elizabeth Drake, MDAnn Arbor, MI 481081881783751
  5. Charisse Gencyuz, MDAnn Arbor, MI 481081174612303
  6. Kimberly Hamilton, MDAnn Arbor, MI 481081437189883
  7. Kurt Kamper, MDAnn Arbor, MI 481081154370542
  8. Susan Kamper, MDAnn Arbor, MI 481081760431167

Common questions

What is Jennifer Christine Zelnik, M.D.'s NPI number?

Jennifer Christine Zelnik, M.D.'s National Provider Identifier (NPI) is 1437412491, issued on Jun 24, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Christine Zelnik, M.D. located?

The NPPES record lists a practice address at 375 Briarwood Cir, Ann Arbor, MI, 48108. Phone: (734) 998-2020. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Christine Zelnik, M.D.'s license?

NPPES lists Michigan license number 4301107130, 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 Jennifer Christine Zelnik, M.D. prescribe under Medicare Part D?

In 2024, Jennifer Christine Zelnik, M.D. had 1,667 Medicare Part D claims for 184 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.