John R Lamb, MD - Medicare Internal Medicine in Oak Bluffs, MA

John R Lamb, MD is a medicare enrolled "Internal Medicine" physician in Oak Bluffs, Massachusetts. He went to State University Of New York At Buffalo School Of Medicine and graduated in 1979 and has 45 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Martha's Vineyard Hospital Inc and his current practice location is 1 Hospital Rd, Oak Bluffs, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 684-4500.

John R Lamb is licensed to practice in Massachusetts (license number 226239) 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 1679552467.

Contact Information

John R Lamb, MD
1 Hospital Rd,
Oak Bluffs, MA 02557-1406
(508) 684-4500
(508) 684-4502

Map and Direction




Physician's Profile

Full NameJohn R Lamb
GenderMale
SpecialityInternal Medicine
Experience45 Years
Location1 Hospital Rd, Oak Bluffs, 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:
  • John R Lamb attended and graduated from State University Of New York At Buffalo School Of Medicine in 1979
  NPI Data:
  • NPI Number: 1679552467
  • Provider Enumeration Date: 01/11/2006
  • Last Update Date: 05/10/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6608880406
  • Enrollment ID: I20060317000360

Medical Identifiers

Medical identifiers for John R Lamb such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679552467NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 226239 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Vna Of Cape CodHyannis, MAHome health agency
Vna Of Cape Cod HospiceSouth dennis, MAHospice
Martha's Vineyard Hospital IncOak bluffs, MAHospital
Massachusetts General HospitalBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Martha's Vineyard Hospital Inc993116611374

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. John R Lamb allows following entities to bill medicare on his behalf.
Entity NameMartha's Vineyard Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194866210
PECOS PAC ID: 9931166113
Enrollment ID: O20041220000589

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. John R Lamb 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
John R Lamb, MD
Po Box 1477,
Oak Bluffs, MA 02557-1477

Ph: (508) 684-4500
John R Lamb, MD
1 Hospital Rd,
Oak Bluffs, MA 02557-1406

Ph: (508) 684-4500

Reviews and Comments


Internal Medicine Doctors in Oak Bluffs, MA

Dana Levy Guyer, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: One Hospital Road, Oak Bluffs, MA 02557
Phone: 508-693-0410    Fax: 508-693-5971
Beth M Donnelly, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Hospital Road, Oak Bluffs, MA 02557
Phone: 508-693-0410    Fax: 508-693-5971
Yosef Pesach Glassman, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: One Hospital Road, Oak Bluffs, MA 02557
Phone: 508-693-0410    Fax: 508-696-0437
Caleb Everett Nannes, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Hospital Rd, Oak Bluffs, MA 02557
Phone: 508-684-4500    
Stuart A Kendall, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: One Hospital Road, Oak Bluffs, MA 02557
Phone: 508-693-0410    Fax: 508-693-5971
Aletheia S Donahue, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Hospital Rd, Oak Bluffs, MA 02557
Phone: 508-693-3164    Fax: 508-696-5238

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.