Dionys Jacob Rosenbaum, MD
Ophthalmology Physician · Brooklyn, NY
Dionys Jacob Rosenbaum, MD is an ophthalmology physician with a practice address in Brooklyn, New York, and NPI 1235248311, issued on Aug 30, 2006. Check the license (New York 1335431, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Dionys Jacob Rosenbaum
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 1335431 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1310 48TH St, Brooklyn, NY 11219
- Phone
- (718) 436-8988
- Enumerated
- Aug 30, 2006
- Record last updated
- Feb 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (718) 435-8861
- Medicaid ID
- 00279694 NY
- Medicare enrollment
- Enrolled (PECOS I20050105000274); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,822 in New York → Look up another NPI →
Also registered at 1310 48TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tali AederClinical Social Worker1639481039
- Ethel Markovics, PHARMDPharmacist1285068981
Verify Dionys Jacob Rosenbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 1335431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average ophthalmology physician in 2024
120 Medicare Part D claims for 36 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Latanoprost35 claims
- Travoprost14 claims
- Rhopressa11 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.
The MIPS final score for 2023 (Medicare payment program): 98.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $131.59
7 payments; by number, the most common kind was food and beverage; the largest payer was Oyster Point Pharma, 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
- Reich Medical And Surgical Eyecare LLCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dionys Jacob Rosenbaum among 1,822 ophthalmology physician records in New York
Dionys Jacob Rosenbaum, MD is one of 1,822 ophthalmology physician records with a practice address in New York. 79% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1972 · median 1995 among the 1,215 with a school on file
- Record last updated2016 · 71% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in New York
There are 1,822 ophthalmology physician records in New York.
All 1,822 in New York → Every provider in Brooklyn → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Neil Feinstein, MDBrooklyn, NY 112191578652228
- Kim LeBrooklyn, NY 112191285177246
- Reshma Mehendale, M.D.Brooklyn, NY 112191932497823
- Emily Moriarty, MDBrooklyn, NY 112191619137197
- Raphael Rosenbaum, M.D.Brooklyn, NY 112191801043211
- Kathy Man-Wong, M.D.Brooklyn, NY 112201972689966
- Claire Meehan, M.D.Brooklyn, NY 112201629391719
- Sophia Siu, MDBrooklyn, NY 112201508132564
Common questions
What is Dionys Jacob Rosenbaum, MD's NPI number?
Dionys Jacob Rosenbaum, MD's National Provider Identifier (NPI) is 1235248311, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dionys Jacob Rosenbaum, MD located?
The NPPES record lists a practice address at 1310 48TH St, Brooklyn, NY, 11219. Phone: (718) 436-8988. Providers update this record themselves, so call before visiting.
How can I verify Dionys Jacob Rosenbaum, MD's license?
NPPES lists New York license number 1335431, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dionys Jacob Rosenbaum, MD prescribe under Medicare Part D?
In 2024, Dionys Jacob Rosenbaum, MD had 120 Medicare Part D claims for 36 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Dionys Jacob Rosenbaum, MD's MIPS final score?
The 2023 MIPS final score is 98.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.