Dr David Van Diamond, MD - Medicare Internal Medicine in Cambridge, MA

Dr David Van Diamond, MD is a medicare enrolled "Internal Medicine" physician in Cambridge, Massachusetts. His current practice location is 77 Massachusetts Ave, Mit E23/209, Cambridge, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 253-7625.

Dr David Van Diamond is licensed to practice in Massachusetts (license number 44907) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1265411664.

Contact Information

Dr David Van Diamond, MD
77 Massachusetts Ave, Mit E23/209,
Cambridge, MA 02139
(617) 253-7625
(617) 253-6373

Map and Direction




Physician's Profile

Full NameDr David Van Diamond
GenderMale
SpecialityInternal Medicine
Location77 Massachusetts Ave, Cambridge, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1265411664
  • Provider Enumeration Date: 01/13/2006
  • Last Update Date: 04/05/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 1355316308
  • Enrollment ID: I20040901000803

Medical Identifiers

Medical identifiers for Dr David Van Diamond such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265411664NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 44907 (Massachusetts)Primary
2083X0100XPreventive Medicine - Occupational Medicine 44907 (Massachusetts)Secondary

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 David Van Diamond allows following entities to bill medicare on his behalf.
Entity NameMassachusetts Institute Of Technology
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346308723
PECOS PAC ID: 5597658666
Enrollment ID: O20040203000789

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 David Van Diamond 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 David Van Diamond, MD
25 Carleton St, E23,
Cambridge, MA 02142-1323

Ph: (617) 253-7625
Dr David Van Diamond, MD
77 Massachusetts Ave, Mit E23/209,
Cambridge, MA 02139

Ph: (617) 253-7625

Reviews and Comments


Internal Medicine Doctors in Cambridge, MA

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Dr. Margaret Love Mclaughlin, M.D.
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Dr. Ayse A. Atasoylu, M.D., M.P.H.
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Dr. Alexandra Vania Chabrerie, MD
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Practice Location: 330 Mount Auburn Street, Department Of Medicine, Cambridge, MA 02138
Phone: 617-492-3500    

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.