NPPES file of Aug 9, 2026

Gregory David Shumer, M.D.

Family Medicine Physician · Ann Arbor, MI

Gregory David Shumer, M.D. is a family medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1164862249, issued on Jul 3, 2013. Check the license (Michigan 4301103852, 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
1164862249
Name
Gregory David Shumer
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301103852 MI
Self-reported in NPPES; status is on the state search
Practice location
24 Frank Lloyd Wright Dr Lbby H, Ann Arbor, MI 48105
Phone
(734) 647-5640
Enumerated
Jul 3, 2013
Record last updated
Mar 13, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160712000701); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2013
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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Verify Gregory David Shumer 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 4301103852
    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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61% fewer Medicare Part D claims than the average family medicine physician in 2024

1,373 Medicare Part D claims for 131 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 32 claims were for opioids.

  1. Gregory Shumer1,373
  2. Specialty average3,544

Most prescribed

  1. Armour Thyroid61 claims
  2. Gabapentin51 claims
  3. Clonazepam45 claims
  4. Lisinopril39 claims
  5. Atorvastatin Calcium37 claims
  6. Duloxetine Hcl37 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 MichiganChelsea, MI

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

Gregory David Shumer among 6,013 family medicine physician records in Michigan

Gregory David Shumer, M.D. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 63% of them.

  • NPI issued2013 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2013 · median 2008 among the 3,493 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

177 family medicine physician records list a practice address in Ann Arbor

They are 177 of the 15,616 NPPES records with a practice address in Ann Arbor, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matthew Ajluni, DOAnn Arbor, MI 481051124072400
  2. Cynthia BaetzAnn Arbor, MI 481051215904016
  3. Renee Brayton, DOAnn Arbor, MI 481051528094976
  4. Louito Edje, MDAnn Arbor, MI 481051649261876
  5. Shannon Graley, D.O.Ann Arbor, MI 481051154393940
  6. Mohammed Irfan, MDAnn Arbor, MI 481051932123650
  7. Frank Parrinello, D.O.Canton, MI 481051548238579
  8. Yasmin Parvez, MDAnn Arbor, MI 481051093716953

Common questions

What is Gregory David Shumer, M.D.'s NPI number?

Gregory David Shumer, M.D.'s National Provider Identifier (NPI) is 1164862249, issued on Jul 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Gregory David Shumer, M.D. located?

The NPPES record lists a practice address at 24 Frank Lloyd Wright Dr Lbby H, Ann Arbor, MI, 48105. Phone: (734) 647-5640. Providers update this record themselves, so call before visiting.

How can I verify Gregory David Shumer, M.D.'s license?

NPPES lists Michigan license number 4301103852, 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 Gregory David Shumer, M.D. prescribe under Medicare Part D?

In 2024, Gregory David Shumer, M.D. had 1,373 Medicare Part D claims for 131 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.