Tammy T Nguyen, MD - Medicare Vascular Surgery in Worcester, MA

Tammy T Nguyen, MD is a medicare enrolled "Surgery - Vascular Surgery" physician in Worcester, Massachusetts. She went to University Of Utah School Of Medicine and graduated in 2015 and has 9 years of diverse experience with area of expertise as Vascular Surgery. She is a member of the group practice Umass Memorial Medical Group Inc and her current practice location is 55 Lake Ave N, Worcester, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 856-5599.

Tammy T Nguyen is licensed to practice in Massachusetts (license number 283226) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1356736839.

Contact Information

Tammy T Nguyen, MD
55 Lake Ave N,
Worcester, MA 01655-0002
(508) 856-5599
(508) 856-8329

Map and Direction




Physician's Profile

Full NameTammy T Nguyen
GenderFemale
SpecialityVascular Surgery
Experience9 Years
Location55 Lake Ave N, Worcester, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Tammy T Nguyen attended and graduated from University Of Utah School Of Medicine in 2015
  NPI Data:
  • NPI Number: 1356736839
  • Provider Enumeration Date: 04/01/2015
  • Last Update Date: 11/05/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2668780164
  • Enrollment ID: I20200715002423

Medical Identifiers

Medical identifiers for Tammy T Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356736839NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2086S0129XSurgery - Vascular Surgery 283226 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Umass Memorial Medical Center/university CampusWorcester, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Umass Memorial Medical Group Inc42845398911898

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Tammy T Nguyen allows following entities to bill medicare on her behalf.
Entity NameUmass Memorial Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760445373
PECOS PAC ID: 4284539891
Enrollment ID: O20040113000267

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Tammy T Nguyen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Tammy T Nguyen, MD
Po Box 415348,
Boston, MA 02241-5348

Ph: () -
Tammy T Nguyen, MD
55 Lake Ave N,
Worcester, MA 01655-0002

Ph: (508) 856-5599

Reviews and Comments


Surgery Doctors in Worcester, MA

Elizabeth A Mahanor, MD
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Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-368-3190    Fax: 508-368-3193
Dr. Craig A Paterson, M.D.
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Practice Location: 119 Belmont St, Department Of General Surgery, Worcester, MA 01605
Phone: 508-334-8195    
Dr. John M Castle, M.D.
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Phone: 508-334-5958    Fax: 508-334-5752
Frank Traupman, M.D.
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Practice Location: 281 Lincoln St, Medical Staff Svcs, Worcester, MA 01605
Phone: 508-334-8015    
Philip A Cohen, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Department Of Surgery, Worcester, MA 01655
Phone: 508-856-7559    Fax: 508-856-4224
Mary Elise Huerter, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-3278    Fax: 508-334-7284
Jennifer Fantasia, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 33 Kendall St, Worcester, MA 01605
Phone: 083-348-7655    Fax: 508-334-9477

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.