NPPES file of Aug 9, 2026

Nambi Nallasamy, M.D.

Ophthalmology Physician · Ann Arbor, MI

Nambi Nallasamy, M.D. is an ophthalmology physician with a practice address in Ann Arbor, Michigan, and NPI 1295096071, issued on Jun 7, 2012. Check the license (Michigan 4301116441, 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
1295096071
Name
Nambi Nallasamy
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
4301116441 MI
ME131030 FL
Self-reported in NPPES; status is on the state search
Practice location
1000 Wall Street, Ann Arbor, MI 48105
Phone
(734) 764-4190
Enumerated
Jun 7, 2012
Record last updated
Feb 21, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190128000218); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2012
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 Street

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

  1. Steven Archer, MDOphthalmology Physician1801804596
  2. Nicholas Behunin, M.D.Ophthalmology Physician1235575242
  3. Jill Bixler, MDOphthalmology Physician1003921354
  4. Karen Deloss, O.D.Optometrist1750533352
  5. Lindsey Delott, M.D.Neurology Physician1629278742
  6. Susan Elner, MDOphthalmology Physician1780694315

Verify Nambi Nallasamy 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 4301116441
    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.

29% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,075 Medicare Part D claims for 306 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.

  1. Nambi Nallasamy1,075
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate212 claims
  2. Polymyxin B Sul-Trimethoprim96 claims
  3. Fluorometholone94 claims
  4. Valacyclovir56 claims
  5. Ofloxacin49 claims
  6. Erythromycin46 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).

Nambi Nallasamy among 791 ophthalmology physician records in Michigan

Nambi Nallasamy, M.D. 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 2012, is newer than 71% of them.

  • NPI issued2012 · 71% of these records are older, 27% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2012 · median 2002 among the 548 with a school on file
  • Record last updated2020 · 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. Grant Comer, MDAnn Arbor, MI 481051356359079
  3. Thomas Gardner, MDAnn Arbor, MI 481051528022464
  4. John Heckenlively, MDAnn Arbor, MI 481051801818901
  5. James Knaggs, MDAnn Arbor, MI 481051851309546
  6. Paul Lichter, MDAnn Arbor, MI 481051184632895
  7. Edward Margolin, MDAnn Arbor, MI 481051306867791
  8. Christine Nelson, MDAnn Arbor, MI 481051578571261

Common questions

What is Nambi Nallasamy, M.D.'s NPI number?

Nambi Nallasamy, M.D.'s National Provider Identifier (NPI) is 1295096071, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Nambi Nallasamy, M.D. located?

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

How can I verify Nambi Nallasamy, M.D.'s license?

NPPES lists Michigan license number 4301116441, 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 Nambi Nallasamy, M.D. prescribe under Medicare Part D?

In 2024, Nambi Nallasamy, M.D. had 1,075 Medicare Part D claims for 306 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.