NPPES file of Aug 9, 2026

Elizabeth Overton Gunnar Hoffman, M.D.

Addiction Medicine (Psychiatry & Neurology) Physician · Ann Arbor, MI

Elizabeth Overton Gunnar Hoffman, M.D. is an addiction medicine (psychiatry & neurology) physician with a practice address in Ann Arbor, Michigan, and NPI 1811351943, issued on Apr 5, 2016. Check the license (Michigan 4301504489, 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
1811351943
Name
Elizabeth Overton Gunnar Hoffman
Credential
M.D.
Primary taxonomy
Addiction Medicine (Psychiatry & Neurology) Physician 2084A0401X
License number
4301504489 MI
Self-reported in NPPES; status is on the state search
Practice location
1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone
(734) 936-4000
Enumerated
Apr 5, 2016
Record last updated
Jan 21, 2026
Medicare enrollment
Enrolled (PECOS I20211022001589); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2016
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 1500 E Medical Center Dr

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

  1. Bryan Aaron, MDObstetrics & Gynecology Physician1578307724
  2. Keith Aaronson, MDAdvanced Heart Failure and Transplant Cardiology Physician1144305301
  3. Rajani Aatre, M.S., M.SC.Genetic Counselor (M.S.)1962122457
  4. Anjelica Abate, MDDiagnostic Radiology Physician1841819216
  5. Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
  6. Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239

Verify Elizabeth Overton Gunnar Hoffman 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 4301504489    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

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95% fewer Medicare Part D claims than the average addiction medicine (psychiatry & neurology) physician in 2024

44 Medicare Part D claims for 16 beneficiaries, against an average of 870 among the 264 providers of this specialty who prescribed in Part D.

  1. Elizabeth Hoffman44
  2. Specialty average870

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).

Addiction Medicine (Psychiatry & Neurology) Physician providers in Michigan

There are 18 addiction medicine (psychiatry & neurology) physician records in Michigan.

All 18 in Michigan → Every provider in Ann Arbor →

Other addiction medicine (psychiatry & neurology) physician records in Michigan

  1. Viviane Akeng MbahMonroe, MI1831050582
  2. Jaswant Bagga, MDPontiac, MI1740349620
  3. Michael Brooks, DOBrighton, MI1376500090
  4. Ishan Gupta, MDDetroit, MI1255787487
  5. Avinash Hosanagar, MDAnn Arbor, MI1437318771
  6. Jeanne Kapenga, M.D.Okemos, MI1891742631
  7. Matthew Lacasse, DODetroit, MI1992183537
  8. Farrah Laviolette, MDTroy, MI1740821339
  9. Natalie Madoun, MDAnn Arbor, MI1750957916
  10. Herbert Malinoff, MDAnn Arbor, MI1518991686

Common questions

What is Elizabeth Overton Gunnar Hoffman, M.D.'s NPI number?

Elizabeth Overton Gunnar Hoffman, M.D.'s National Provider Identifier (NPI) is 1811351943, issued on Apr 5, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Overton Gunnar Hoffman, M.D. located?

The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Overton Gunnar Hoffman, M.D.'s license?

NPPES lists Michigan license number 4301504489, 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 Elizabeth Overton Gunnar Hoffman, M.D. prescribe under Medicare Part D?

In 2024, Elizabeth Overton Gunnar Hoffman, M.D. had 44 Medicare Part D claims for 16 beneficiaries; the average among addiction medicine (psychiatry & neurology) physician prescribers was 870. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.