Peter J Massicott, MD - Medicare Internal Medicine in Boston, MA

Peter J Massicott, MD is a medicare enrolled "Internal Medicine" physician in Boston, Massachusetts. He went to Georgetown University School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice President And Fellows Of Harvard College and his current practice location is 275 Longwood Ave, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 432-1370.

Peter J Massicott is licensed to practice in Massachusetts (license number 76162) 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 1265545917.

Contact Information

Peter J Massicott, MD
275 Longwood Ave,
Boston, MA 02115-5704
(617) 432-1370
(617) 432-7120

Map and Direction




Physician's Profile

Full NamePeter J Massicott
GenderMale
SpecialityInternal Medicine
Experience35 Years
Location275 Longwood Ave, Boston, 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:
  • Peter J Massicott attended and graduated from Georgetown University School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1265545917
  • Provider Enumeration Date: 08/16/2006
  • Last Update Date: 01/15/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 6002855798
  • Enrollment ID: I20050502001238

Medical Identifiers

Medical identifiers for Peter J Massicott such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265545917NPI-NPPES
076162OtherMATUFTS HEALTH PLAN
J30276OtherMABC/BS OF MA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 76162 (Massachusetts)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
President And Fellows Of Harvard College206230389492

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. Peter J Massicott allows following entities to bill medicare on his behalf.
Entity NamePresident & Fellows Of Harvard College
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952366312
PECOS PAC ID: 2062303894
Enrollment ID: O20040322001750

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. Peter J Massicott 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
Peter J Massicott, MD
75 Mount Auburn St, Harvard University Health Services,
Cambridge, MA 02138-4960

Ph: (617) 432-1370
Peter J Massicott, MD
275 Longwood Ave,
Boston, MA 02115-5704

Ph: (617) 432-1370

Reviews and Comments


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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.