Gregory H. Sirounian, MD
Orthopaedic Surgery Physician · Garden City, NY
Gregory H. Sirounian, MD is an orthopaedic surgery physician with a practice address in Garden City, New York, and NPI 1558356063, issued on Sep 12, 2005. Check the license (New York 261465-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory H. Sirounian
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 261465-1 NY
30048 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Franklin Ave, Garden City, NY 11530
- Phone
- (516) 747-8900
- Enumerated
- Sep 12, 2005
- Record last updated
- Apr 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (516) 663-8166
- Medicare enrollment
- Enrolled (PECOS I20120329000776); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,339 in New York → Look up another NPI →
Also registered at 1300 Franklin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shervin Badkhshan, M.D.Urology Physician1568818805
- Monika Baez, NPAdult Health Nurse Practitioner1376350371
- Omid Barzideh, MDOrthopaedic Surgery Physician1477516862
- Michael Bernardo, DPTPhysical Therapist1205872637
- Heather Borriello, PHARMDPharmacist1295928711
- Alyssa Brandofino, ATCAthletic Trainer1306246046
Verify Gregory H. Sirounian 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 261465-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
155 Medicare Part D claims for 75 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Meloxicam83 claims
- Diclofenac Sodium20 claims
- Oxycodone Hcl18 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $971.56
12 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory H. Sirounian among 1,339 orthopaedic surgery physician records in New York
Gregory H. Sirounian, MD is one of 1,339 orthopaedic surgery physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1996 · median 2002 among the 819 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in New York
There are 1,339 orthopaedic surgery physician records in New York.
All 1,339 in New York → Every provider in Garden City → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- George Ackerman, M.D.Garden City, NY 115301720393259
- Omid Barzideh, MDGarden City, NY 115301477516862
- James Capozzi, M.D.Garden City, NY 115301538276274
- Megan Chapter-Zylinski, D.O.Garden City, NY 115301053753160
- Moiz Manaqib, M.D.Garden City, NY 115301134410590
- Julian Sonnenfeld, M.D.Garden City, NY 115301700273943
- Maxwell Weinberg, M.D.Garden City, NY 115301477916195
- Adam Boll, PAGlen Cove, NY 115421174643159
Common questions
What is Gregory H. Sirounian, MD's NPI number?
Gregory H. Sirounian, MD's National Provider Identifier (NPI) is 1558356063, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory H. Sirounian, MD located?
The NPPES record lists a practice address at 1300 Franklin Ave, Garden City, NY, 11530. Phone: (516) 747-8900. Providers update this record themselves, so call before visiting.
How can I verify Gregory H. Sirounian, MD's license?
NPPES lists New York license number 261465-1, 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 Gregory H. Sirounian, MD prescribe under Medicare Part D?
In 2024, Gregory H. Sirounian, MD had 155 Medicare Part D claims for 75 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Gregory H. Sirounian, MD's MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. 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.