Dr Peter James Demartino, MD - Medicare Internal Medicine in Acton, MA

Dr Peter James Demartino, MD is a medicare enrolled "Internal Medicine" physician in Acton, Massachusetts. He went to Georgetown University Of Medicine and graduated in 1990 and has 30 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Acton Medical Associates Pc and his current practice location is 321 Main St, Acton, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (978) 263-1425.

Dr Peter James Demartino is licensed to practice in Massachusetts (license number 151966) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1043292360.

Contact Information

Dr Peter James Demartino, MD
321 Main St,
Acton, MA 01720-3718
(978) 263-1425
Not Available

Map and Direction




Physician's Profile

Full NameDr Peter James Demartino
GenderMale
SpecialityInternal Medicine
Experience30 Years
Location321 Main St, Acton, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Peter James Demartino attended and graduated from Georgetown University Of Medicine in 1990
  NPI Data:
  • NPI Number: 1043292360
  • Provider Enumeration Date: 11/14/2005
  • Last Update Date: 03/24/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 2264557529
  • Enrollment ID: I20100910000450

Medical Identifiers

Medical identifiers for Dr Peter James Demartino such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043292360NPI-NPPES
3159736MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 151966 (Massachusetts)Primary

Hospital Affiliation

Hospital NameLocationType
Emerson Hospital -W concord, MAAcute Care Hospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Acton Medical Associates Pc731591940433

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. Dr Peter James Demartino allows following entities to bill medicare on his behalf.
Entity NameActon Medical Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447365408
PECOS PAC ID: 7315919404
Enrollment ID: O20040810000196

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. Dr Peter James Demartino 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
Dr Peter James Demartino, MD
321 Main St,
Acton, MA 01720-3718

Ph: (978) 263-1425
Dr Peter James Demartino, MD
321 Main St,
Acton, MA 01720-3718

Ph: (978) 263-1425

Reviews and Comments

Internal Medicine Doctors in Acton, MA

Amy Churchill, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 321 Main St, Acton, MA 01720
Phone: 978-263-1131    
Teli Leung-galecki, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 321 Main St, Acton, MA 01720
Phone: 978-635-8700    Fax: 978-635-8920
Dr. Ingrid Gorman, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 321 Main St, Acton, MA 01720
Phone: 978-263-1131    
Dr. Lauren Michele Bleich, MD/MPH
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 45b Discovery Way, Acton, MA 01720
Phone: 978-429-2010    Fax: 978-264-1935
Dr. Claudia Talland, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 321 Main St, Acton, MA 01720
Phone: 978-263-1131    
Dr. Thomas Wong, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 321 Main St, Acton, MA 01720
Phone: 978-263-1131    Fax: 978-263-1562

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.