NPPES file of Aug 9, 2026

Grant Comer, MD

Ophthalmology Physician · Ann Arbor, MI

Grant Comer, MD is an ophthalmology physician with a practice address in Ann Arbor, Michigan, and NPI 1356359079, issued on Aug 4, 2006. Check the license (Michigan 4301085267, 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
1356359079
Name
Grant Comer
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
4301085267 MI
Self-reported in NPPES; status is on the state search
Practice location
1000 Wall St, Ann Arbor, MI 48105
Phone
(734) 764-4190
Enumerated
Aug 4, 2006
Record last updated
Sep 24, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
4765629 MI
Medicare enrollment
Enrolled (PECOS I20050907000441); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2001
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.
Download card Updates feed

Also registered at 1000 Wall St

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

  1. Sofia Ahsanuddin, MDStudent in an Organized Health Care Education/Training Program1194573592
  2. Mariam Akinwale, MDNeurology Physician1306501291
  3. Mehriban AlizadaOphthalmology Physician1720970023
  4. Sejal Amin, M.D.Ophthalmology Physician1952628158
  5. Samuel Andorsky, MDOphthalmology Physician1881856672
  6. Erica Archer, M.D.Ophthalmology Physician1518227743

Verify Grant Comer 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 4301085267
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

90% fewer Medicare Part D claims than the average ophthalmology physician in 2024

158 Medicare Part D claims for 48 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Grant Comer158
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate46 claims
  2. Dorzolamide-Timolol31 claims
  3. Ketorolac Tromethamine21 claims
  4. Latanoprost19 claims
  5. Brimonidine Tartrate16 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).

Grant Comer among 791 ophthalmology physician records in Michigan

Grant Comer, MD is one of 791 ophthalmology physician records with a practice address in Michigan. 80% 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 22% of them.

  • NPI issued2006 · 22% of these records are older, 46% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2001 · median 2002 among the 548 with a school on file
  • Record last updated2019 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Michigan

There are 791 ophthalmology physician records in Michigan.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Steven Archer, MDAnn Arbor, MI 481051801804596
  2. Thomas Gardner, MDAnn Arbor, MI 481051528022464
  3. John Heckenlively, MDAnn Arbor, MI 481051801818901
  4. James Knaggs, MDAnn Arbor, MI 481051851309546
  5. Paul Lichter, MDAnn Arbor, MI 481051184632895
  6. Edward Margolin, MDAnn Arbor, MI 481051306867791
  7. Christine Nelson, MDAnn Arbor, MI 481051578571261
  8. Sujata Purohit, MDAnn Arbor, MI 481051922069939

Common questions

What is Grant Comer, MD's NPI number?

Grant Comer, MD's National Provider Identifier (NPI) is 1356359079, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Grant Comer, MD located?

The NPPES record lists a practice address at 1000 Wall St, Ann Arbor, MI, 48105. Phone: (734) 764-4190. Providers update this record themselves, so call before visiting.

How can I verify Grant Comer, MD's license?

NPPES lists Michigan license number 4301085267, 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 Grant Comer, MD prescribe under Medicare Part D?

In 2024, Grant Comer, MD had 158 Medicare Part D claims for 48 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.