Muhammad Janisar, MD - Medicare Internal Medicine in Cambridge, MA

Muhammad Janisar, MD is a medicare enrolled "Internal Medicine" physician in Cambridge, Massachusetts. He graduated from medical school in 2005 and has 19 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Lahey Clinic Inc, Mt Auburn Professional Services and his current practice location is 330 Mount Auburn St, Department Of Medicine, Cambridge, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 492-3500.

Muhammad Janisar is licensed to practice in Massachusetts (license number 257858) 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 1972883197.

Contact Information

Muhammad Janisar, MD
330 Mount Auburn St, Department Of Medicine,
Cambridge, MA 02138-5502
(617) 492-3500
Not Available

Map and Direction




Physician's Profile

Full NameMuhammad Janisar
GenderMale
SpecialityInternal Medicine
Experience19 Years
Location330 Mount Auburn St, Cambridge, 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:
  • Muhammad Janisar graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1972883197
  • Provider Enumeration Date: 08/18/2011
  • Last Update Date: 11/05/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 6103041827
  • Enrollment ID: I20140711002313

Medical Identifiers

Medical identifiers for Muhammad Janisar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972883197NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 257858 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northeast Hospital CorporationBeverly, MAHospital
Mount Auburn HospitalCambridge, MAHospital
Lahey Hospital & Medical Center, BurlingtonBurlington, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lahey Clinic Inc22643365281200
Mt Auburn Professional Services6103725031258

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. Muhammad Janisar allows following entities to bill medicare on his behalf.
Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538194980
PECOS PAC ID: 2264336528
Enrollment ID: O20031120000097
Entity NameMt Auburn Professional Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992750996
PECOS PAC ID: 6103725031
Enrollment ID: O20040527001374
Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063447316
PECOS PAC ID: 2264336528
Enrollment ID: O20040629001269
Entity NameEmerson Practice Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508020199
PECOS PAC ID: 8123188117
Enrollment ID: O20081120000518

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. Muhammad Janisar 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
Muhammad Janisar, MD
330 Mount Auburn St, Department Of Medicine,
Cambridge, MA 02138-5502

Ph: (251) 554-6518
Muhammad Janisar, MD
330 Mount Auburn St, Department Of Medicine,
Cambridge, MA 02138-5502

Ph: (617) 492-3500

Reviews and Comments


Internal Medicine Doctors in Cambridge, MA

Yun- Ting Eric Yeh, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 300 Mount Auburn St Ste 310, Cambridge, MA 02138
Phone: 617-497-1560    Fax: 617-497-1190
Dr. Catharine M. Mintzer, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 725 Concord Ave, Suite 4100, Cambridge, MA 02138
Phone: 617-864-8822    Fax: 617-547-5367
Kenneth J. Gold, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 75 Mount Auburn St, Huhs, Cambridge, MA 02138
Phone: 617-495-8414    Fax: 617-496-0560
Dr. Margaret Love Mclaughlin, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 300 Mount Auburn St, Suite 515, Cambridge, MA 02138
Phone: 617-864-1571    Fax: 617-864-1507
Dr. Valerie Pronio-stelluto, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 330 Mount Auburn St, Cambridge, MA 02138
Phone: 617-499-5140    Fax: 617-499-5593
Dr. Ayse A. Atasoylu, M.D., M.P.H.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 29 Everett St, Cambridge, MA 02138
Phone: 617-349-8222    
Dr. Alexandra Vania Chabrerie, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
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.