Gregory Marra, MD
Family Medicine Physician · Hamburg, NY
Gregory Marra, MD is a family medicine physician with a practice address in Hamburg, New York, and NPI 1275997140, issued on Apr 7, 2016. Check the license (New York 300973, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory Marra
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 300973 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5844 Southwestern Blvd, Hamburg, NY 14075
- Phone
- (716) 646-5500
- Enumerated
- Apr 7, 2016
- Record last updated
- Sep 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (716) 646-5502
- Medicare enrollment
- Enrolled (PECOS I20191104002130); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 5844 Southwestern Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kohl Chevrier, PAPhysician Assistant1619671369
Verify Gregory Marra 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 300973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average family medicine physician in 2024
5,856 Medicare Part D claims for 647 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 37 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium361 claims
- Lisinopril343 claims
- Atorvastatin Calcium301 claims
- Levothyroxine Sodium251 claims
- Amlodipine Besylate245 claims
- Omeprazole186 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: $2,732.37
136 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
2 hospitals and group practices
- Mercy Hospital OF BuffaloBuffalo, NY · Acute Care Hospitals2 of 5 stars
- Preferred Physician Care PCHamburg, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gregory Marra among 6,417 family medicine physician records in New York
Gregory Marra, MD is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.
- NPI issued2016 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2010 · median 2007 among the 4,188 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 family medicine physician records list a practice address in Hamburg
They are 26 of the 738 NPPES records with a practice address in Hamburg, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Hamburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jeanette Figueroa, MDHamburg, NY 140751710972245
- Eric Goodwin, MDHamburg, NY 140751891790762
- Steven Herman, MDHamburg, NY 140751447214903
- Michael Kane, MDHamburg, NY 140751790728004
- Craig Maclean, DOHamburg, NY 140751588667893
- Maria Matala-Sullivan, DOHamburg, NY 140751912940214
- Leroy McCune, M.D.Hamburg, NY 140751497741391
- Robert Nicaise, M.D.Hamburg, NY 140751013016401
Common questions
What is Gregory Marra, MD's NPI number?
Gregory Marra, MD's National Provider Identifier (NPI) is 1275997140, issued on Apr 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Marra, MD located?
The NPPES record lists a practice address at 5844 Southwestern Blvd, Hamburg, NY, 14075. Phone: (716) 646-5500. Providers update this record themselves, so call before visiting.
How can I verify Gregory Marra, MD's license?
NPPES lists New York license number 300973, 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 Marra, MD prescribe under Medicare Part D?
In 2024, Gregory Marra, MD had 5,856 Medicare Part D claims for 647 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.