NPPES file of Aug 9, 2026

John Gregory Rosenthal, M.D.

Retina Specialist (Ophthalmology) Physician · Maumee, OH

John Gregory Rosenthal, M.D. is a retina specialist (ophthalmology) physician with a practice address in Maumee, Ohio, and NPI 1710959549, issued on Feb 6, 2006. Check the license (Ohio 35-058361, as entered in NPPES) on the State Medical Board of Ohio; 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
1710959549
Name
John Gregory Rosenthal
Credential
M.D.
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License numbers
35-058361 OH
35058361R OH
Self-reported in NPPES; status is on the state search
Practice location
5757 Monclova RD Ste 11, Maumee, OH 43537
Phone
(419) 873-6800
Enumerated
Feb 6, 2006
Record last updated
Mar 25, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(419) 873-6804
Medicaid IDs
0749300 OH
4110735 MI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify John Gregory Rosenthal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35-058361
    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 Ohio license search

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40% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

374 Medicare Part D claims for 118 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. John Rosenthal374
  2. Specialty average620

Most prescribed

  1. Latanoprost75 claims
  2. Ketorolac Tromethamine57 claims
  3. Prednisolone Acetate55 claims
  4. Brimonidine Tartrate50 claims
  5. Timolol Maleate30 claims
  6. Dorzolamide-Timolol19 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.

John Gregory Rosenthal among 76 retina specialist (ophthalmology) physician records in Ohio

John Gregory Rosenthal, M.D. is one of 76 retina specialist (ophthalmology) physician records with a practice address in Ohio. 89% 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, 49% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileNo · 82% of these records are
  • Record last updated2020 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in Ohio

There are 76 retina specialist (ophthalmology) physician records in Ohio.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Mandar Joshi, M.D.Sylvania, OH 435601730132242
  2. Charles Dabbs, MDToledo, OH 436151073588174
  3. David Kozy, MDToledo, OH 436151750383964
  4. Nicholas Leonardy, MDToledo, OH 436151497721781
  5. Philip Nelsen, MDToledo, OH 436151982606109
  6. Ira Orgel, MDToledo, OH 436151558336651
  7. Jonathan Bernstein, M.D.Toledo, OH 436231497750574
  8. Mashal Akhter, M.D.Columbus, OH 432151669853743

Common questions

What is John Gregory Rosenthal, M.D.'s NPI number?

John Gregory Rosenthal, M.D.'s National Provider Identifier (NPI) is 1710959549, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Gregory Rosenthal, M.D. located?

The NPPES record lists a practice address at 5757 Monclova RD Ste 11, Maumee, OH, 43537. Phone: (419) 873-6800. Providers update this record themselves, so call before visiting.

How can I verify John Gregory Rosenthal, M.D.'s license?

NPPES lists Ohio license number 35-058361, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Gregory Rosenthal, M.D. prescribe under Medicare Part D?

In 2024, John Gregory Rosenthal, M.D. had 374 Medicare Part D claims for 118 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. 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.