Matthew Ross Zanghi, M.D.
Internal Medicine Physician · Leominster, MA
Matthew Ross Zanghi, M.D. is an internal medicine physician with a practice address in Leominster, Massachusetts, and NPI 1346688041, issued on Jun 5, 2013. Check the license (Massachusetts 255970, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Matthew Ross Zanghi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 255970 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Memorial Dr Ste 205, Leominster, MA 01453
- Phone
- (978) 534-4241
- Enumerated
- Jun 5, 2013
- Record last updated
- Jul 10, 2026
- Fax
- (978) 534-3705
- Medicare enrollment
- Enrolled (PECOS I20171121000795); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 50 Memorial Dr Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Gauthier, APRNNurse Practitioner1689301954
- Michaela Haynes-Kaddy, C.N.P.Nurse Practitioner1992114458
Verify Matthew Ross Zanghi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 255970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,430 Medicare Part D claims for 545 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 367 claims were for opioids.
Most prescribed
- Atorvastatin Calcium397 claims
- Lisinopril344 claims
- Amlodipine Besylate259 claims
- Omeprazole219 claims
- Gabapentin188 claims
- Simvastatin175 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
- Leominster Medical AssociatesLeominster, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
35 internal medicine physician records list a practice address in Leominster
They are 35 of the 1,151 NPPES records with a practice address in Leominster, and 6,825 internal medicine physician records in Massachusetts.
All 35 in Leominster → All 6,825 in Massachusetts → Every provider in Leominster →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Nathan Abare, MDSpringfield, MA1386852747
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Matthew Ross Zanghi, M.D.'s NPI number?
Matthew Ross Zanghi, M.D.'s National Provider Identifier (NPI) is 1346688041, issued on Jun 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Ross Zanghi, M.D. located?
The NPPES record lists a practice address at 50 Memorial Dr Ste 205, Leominster, MA, 01453. Phone: (978) 534-4241. Providers update this record themselves, so call before visiting.
How can I verify Matthew Ross Zanghi, M.D.'s license?
NPPES lists Massachusetts license number 255970, 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 Matthew Ross Zanghi, M.D. prescribe under Medicare Part D?
In 2024, Matthew Ross Zanghi, M.D. had 6,430 Medicare Part D claims for 545 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.