Warren Pan, MD
Ophthalmology Physician · Ann Arbor, MI
Warren Pan, MD is an ophthalmology physician with a practice address in Ann Arbor, Michigan, and NPI 1396361549, issued on Jun 24, 2020. Check the license (Michigan 4301510958, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Warren Pan
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 4301510958 MI
4351045883 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
- Jun 24, 2020
- Record last updated
- Jul 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20240715003063); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2020
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Michigan → Look up another NPI →
Also registered at 1000 Wall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mariam Akinwale, MDNeurology Physician1306501291
- Mehriban AlizadaOphthalmology Physician1720970023
- Sejal Amin, M.D.Ophthalmology Physician1952628158
- Samuel Andorsky, MDOphthalmology Physician1881856672
- Erica Archer, M.D.Ophthalmology Physician1518227743
Verify Warren Pan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301510958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average ophthalmology physician in 2024
818 Medicare Part D claims for 298 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.
Most prescribed
- Prednisolone Acetate102 claims
- Latanoprost88 claims
- Neomycin-Polymyxin-Dexameth82 claims
- Atropine Sulfate79 claims
- Dorzolamide-Timolol65 claims
- Restasis50 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
- 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).
Warren Pan among 791 ophthalmology physician records in Michigan
Warren Pan, 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 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2002 among the 548 with a school on file
- Record last updated2024 · 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.
All 791 in Michigan → Every provider in Ann Arbor → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Steven Archer, MDAnn Arbor, MI 481051801804596
- Grant Comer, MDAnn Arbor, MI 481051356359079
- Thomas Gardner, MDAnn Arbor, MI 481051528022464
- John Heckenlively, MDAnn Arbor, MI 481051801818901
- James Knaggs, MDAnn Arbor, MI 481051851309546
- Paul Lichter, MDAnn Arbor, MI 481051184632895
- Edward Margolin, MDAnn Arbor, MI 481051306867791
- Christine Nelson, MDAnn Arbor, MI 481051578571261
Common questions
What is Warren Pan, MD's NPI number?
Warren Pan, MD's National Provider Identifier (NPI) is 1396361549, issued on Jun 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Warren Pan, 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 Warren Pan, MD's license?
NPPES lists Michigan license number 4301510958, 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 Warren Pan, MD prescribe under Medicare Part D?
In 2024, Warren Pan, MD had 818 Medicare Part D claims for 298 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.