Robert L. Tomsak, MD, PHD
Ophthalmology Physician · Detroit, MI
Robert L. Tomsak, MD, PHD is an ophthalmology physician with a practice address in Detroit, Michigan, and NPI 1336162122, issued on Jul 25, 2006. Check the license (Michigan 4301095698, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Robert L. Tomsak
- Credential
- MD, PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 4301095698 MI
35-043259 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4717 St Antoine, Detroit, MI 48201
- Phone
- (313) 577-8900
- Enumerated
- Jul 25, 2006
- Record last updated
- Nov 10, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (313) 577-0700
- Medicaid ID
- 0445718 OH
- Medicare enrollment
- Enrolled (PECOS I20100315000761); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1977
- Entity
- Type 1 · individual
Also registered at 4717 St Antoine
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Abrams, MDOphthalmology Physician1831136431
- Victoria BlagaOphthalmology Physician1407543804
- Robert Frank, MDOphthalmology Physician1033156526
- Gabriel Sosne, MDOphthalmology Physician1952348443
Verify Robert L. Tomsak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301095698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average ophthalmology physician in 2024
68 Medicare Part D claims for 16 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost16 claims
- Pentoxifylline13 claims
- Topiramate13 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.
Industry payments in 2024: $29.30
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Physician GroupDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Michigan
There are 791 ophthalmology physician records in Michigan.
Other ophthalmology physician records in Michigan
- Munzer Abdulhak, M.D.Portage, MI1316155864
- Gary Abrams, MDDetroit, MI1831136431
- James Adams, MDYpsilanti, MI1871501577
- Howard Adelson, D.O.Northville, MI1982691739
- Todd Adelson, D.ONorthville, MI1124088075
- Anju Aggarwal, MDTaylor, MI1053571034
- Ashim Aggarwal, M.D.East Lansing, MI1891779286
- Himanshu Aggarwal, MDTaylor, MI1356505010
- Shareef Ahmed, MDDearborn, MI1770789646
- Michelle Akler, MDDearborn, MI1639150899
Common questions
What is Robert L. Tomsak, MD, PHD's NPI number?
Robert L. Tomsak, MD, PHD's National Provider Identifier (NPI) is 1336162122, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert L. Tomsak, MD, PHD located?
The NPPES record lists a practice address at 4717 St Antoine, Detroit, MI, 48201. Phone: (313) 577-8900. Providers update this record themselves, so call before visiting.
How can I verify Robert L. Tomsak, MD, PHD's license?
NPPES lists Michigan license number 4301095698, 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 Robert L. Tomsak, MD, PHD prescribe under Medicare Part D?
In 2024, Robert L. Tomsak, MD, PHD had 68 Medicare Part D claims for 16 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.