Melanie M. Gnazzo, MD
Family Medicine Physician · Worcester, MA
Melanie M. Gnazzo, MD is a family medicine physician with a practice address in Worcester, Massachusetts, and NPI 1962646083, issued on Apr 21, 2009. Check the license (Massachusetts 249959, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Melanie M. Gnazzo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 249959 MA
Self-reported in NPPES; status is on the state search - Practice location
- 26 Queen St, Worcester, MA 01610
- Phone
- (508) 860-7700
- Enumerated
- Apr 21, 2009
- Record last updated
- May 11, 2026
- Fax
- (508) 860-7929
- Medicare enrollment
- Enrolled (PECOS I20120920000697); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 26 Queen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Abraham, M.D.Family Medicine Physician1689037673
- Albertha Adwetewa-Badu, FNP-BC, FNP-CFamily Nurse Practitioner1427238260
- Hiyam Ahmed, MBBSStudent in an Organized Health Care Education/Training Program1669266300
- Ime Akpan-MahoneyRegistered Nurse1952732547
- Benjamin Alfred, NPPrimary Care Nurse Practitioner1366778953
- Bronwyn Alfred, FNPFamily Nurse Practitioner1164843843
Verify Melanie M. Gnazzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 249959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average family medicine physician in 2024
3,352 Medicare Part D claims for 180 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 101 claims were for opioids.
Most prescribed
- Atorvastatin Calcium211 claims
- Gabapentin169 claims
- Albuterol Sulfate Hfa119 claims
- Famotidine106 claims
- Fluticasone Propionate96 claims
- Hydrochlorothiazide94 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.
Bills Medicare through one group practice
- Family Health Center OF Worcester, Inc.Worcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melanie M. Gnazzo among 2,265 family medicine physician records in Massachusetts
Melanie M. Gnazzo, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2009 · median 2006 among the 1,529 with a school on file
- Record last updated2026 · 59% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 family medicine physician records list a practice address in Worcester
They are 168 of the 13,166 NPPES records with a practice address in Worcester, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Worcester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Philip Bolduc, MDWorcester, MA 016101669460051
- Lucy Candib, MDWorcester, MA 016101093726382
- Lisa Carter, FAMILY PRACTICEWorcester, MA 016101972514180
- Penelope Dillon, FNP-C ,PSYCH NP-C, CWorcester, MA 016101558393330
- Warren Ferguson, M.D.Worcester, MA 016101447312798
- Lisa Gussak, M.D.Worcester, MA 016101780667543
- Quang Le, M.D.Worcester, MA 016101578665998
- Valerie Pietry, FAMILY PRACTICEWorcester, MA 016101356352439
Common questions
What is Melanie M. Gnazzo, MD's NPI number?
Melanie M. Gnazzo, MD's National Provider Identifier (NPI) is 1962646083, issued on Apr 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Melanie M. Gnazzo, MD located?
The NPPES record lists a practice address at 26 Queen St, Worcester, MA, 01610. Phone: (508) 860-7700. Providers update this record themselves, so call before visiting.
How can I verify Melanie M. Gnazzo, MD's license?
NPPES lists Massachusetts license number 249959, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Melanie M. Gnazzo, MD prescribe under Medicare Part D?
In 2024, Melanie M. Gnazzo, MD had 3,352 Medicare Part D claims for 180 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.