Gary S. Rosenbaum, MD
Infectious Disease Physician · Riverhead, NY
Gary S. Rosenbaum, MD is an infectious disease physician with a practice address in Riverhead, New York, and NPI 1437261385, issued on Aug 31, 2006. Check the license (New York 173542, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gary S. Rosenbaum
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 173542 NY
Self-reported in NPPES; status is on the state search - Practice location
- 887 Old Country RD, Riverhead, NY 11901
- Phone
- (631) 727-6122
- Enumerated
- Aug 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (631) 727-2672
- Medicaid ID
- 01192429 NY
- Medicare enrollment
- Enrolled (PECOS I20110322000476); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 970 in New York → Look up another NPI →
Also registered at 887 Old Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Abrams, LCSWClinical Social Worker1457431173
- Kathleen Brown, A-NPAdult Health Nurse Practitioner1689910929
- Veronica Cea, M.S. CCC/SLPSpeech-Language Pathologist1578511259
- Elizabeth Doroski, D.D.S.General Practice Dentistry1043440027
- Gregory Doroski, DMDGeneral Practice Dentistry1407911845
- Joseph Duva, MDGastroenterology Physician1992817977
Verify Gary S. 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 173542Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average infectious disease physician in 2024
432 Medicare Part D claims for 99 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Ertapenem35 claims
- Doxycycline Monohydrate33 claims
- Cefadroxil29 claims
- Genvoya26 claims
- Amoxicillin-Clavulanate Potass23 claims
- Doxycycline Hyclate23 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): 27.7 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: $588.24
29 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,895 providers of this specialty with any payment received $4,362.19 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.
Gary S. Rosenbaum among 970 infectious disease physician records in New York
Gary S. Rosenbaum, MD is one of 970 infectious disease physician records with a practice address in New York. 78% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1985 · median 2002 among the 624 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in New York
There are 970 infectious disease physician records in New York.
All 970 in New York → Every provider in Riverhead → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Michael Huang, M.D.Riverhead, NY 119011437346129
- Aleena ZahraRiverhead, NY 119011508398348
- Rajeev Fernando, M.DSouthampton, NY 119681659508570
- Sammy Nakhla, M.D.Southampton, NY 119681144418799
- Eric Sin, M.D.Southampton, NY 119681750708749
- Daniel Griffin, M.D.Plainview, NY 118031831125640
- Irwin Ingwer, M.DPlainview, NY 118031356386239
- Ronald Lenefsky, MDWest Islip, NY 117951588663546
Common questions
What is Gary S. Rosenbaum, MD's NPI number?
Gary S. Rosenbaum, MD's National Provider Identifier (NPI) is 1437261385, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary S. Rosenbaum, MD located?
The NPPES record lists a practice address at 887 Old Country RD, Riverhead, NY, 11901. Phone: (631) 727-6122. Providers update this record themselves, so call before visiting.
How can I verify Gary S. Rosenbaum, MD's license?
NPPES lists New York license number 173542, 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 Gary S. Rosenbaum, MD prescribe under Medicare Part D?
In 2024, Gary S. Rosenbaum, MD had 432 Medicare Part D claims for 99 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Gary S. Rosenbaum, MD's MIPS final score?
The 2023 MIPS final score is 27.7 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.