Tammy T. Nguyen, M.D.
Vascular Surgery Physician · Worcester, MA
Tammy T. Nguyen, M.D. is a vascular surgery physician with a practice address in Worcester, Massachusetts, and NPI 1356736839, issued on Apr 1, 2015. Check the license (Massachusetts 283226, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Tammy T. Nguyen
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- 283226 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 856-5599
- Enumerated
- Apr 1, 2015
- Record last updated
- Nov 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (508) 856-8329
- Medicare enrollment
- Enrolled (PECOS I20200715002423); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nawal Aamir, MDInternal Medicine Physician1588248926
- Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
- Paula Abate, NPNurse Practitioner1336265909
- Aly AbayazeedDiagnostic Radiology Physician1821221946
- Zainab AbbasDermatology Physician1609028000
- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify Tammy T. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 283226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average vascular surgery physician in 2024
67 Medicare Part D claims for 32 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 13 claims were for opioids.
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): 97 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: $486.83
19 payments; by number, the most common kind was food and beverage; the largest payer was Organogenesis Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vascular Surgery Physician providers in Massachusetts
There are 161 vascular surgery physician records in Massachusetts.
Other vascular surgery physician records in Massachusetts
- Francesco Aiello, MDWorcester, MA1528205978
- Edward Arous, M.D.Worcester, MA1982999199
- Elias Arous, M.D.Worcester, MA1477537611
- James Balcom, MDDanvers, MA1689633273
- Richard Basile, M.D.Pittsfield, MA1487643656
- Michael Belkin, MDBoston, MA1922064260
- Eric Bluemn, MD, PHDWorcester, MA1093134090
- Kris BoelitzBoston, MA1578190708
- Laura Boitano, MDWellesley, MA1821401811
- William Breckwoldt, M.D.Winchester, MA1306814272
Common questions
What is Tammy T. Nguyen, M.D.'s NPI number?
Tammy T. Nguyen, M.D.'s National Provider Identifier (NPI) is 1356736839, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tammy T. Nguyen, M.D. located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 856-5599. Providers update this record themselves, so call before visiting.
How can I verify Tammy T. Nguyen, M.D.'s license?
NPPES lists Massachusetts license number 283226, 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 Tammy T. Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Tammy T. Nguyen, M.D. had 67 Medicare Part D claims for 32 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is Tammy T. Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 97 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.