Individual provider Active NPI

Muhammad Janisar, M.D.

  • Internal Medicine Physician
  • Cambridge, MA
National Provider Identifier
1972883197
Registry record updated Nov 5, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
257858 Issued in MA
Practice address
330 Mount Auburn St
Department of Medicine
Cambridge, MA 02138-5502
Phone
(617) 492-3500
NPI assigned
Aug 18, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 5, 2015

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 257858 MA Primary

Addresses

Primary practice location

330 Mount Auburn St
Department of Medicine
Cambridge, MA 02138-5502

Mailing address

330 Mount Auburn St
Department of Medicine
Cambridge, MA 02138-5502
Phone (251) 554-6518

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140711002313 MA Practitioner - HospitalistPractitioner - Internal Medicine 6103041827 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emerson Practice Associates, IncGroup PAC ID 8123188117, 247 clinicians
Beth Israel Lahey Health Primary Care, IncGroup PAC ID 7719291434, 351 clinicians
Winchester Lahey Inpatient Specialists PLLCGroup PAC ID 6608150149, 30 clinicians
Lahey Clinic IncGroup PAC ID 2264336528, shared by 3 NPIs, 1,381 clinicians

Practice addresses (Care Compare)

133 Old Rd to 9 Acre Cor
Concord, MA 01742-4159
Phone (978) 287-3020

15 Railroad Ave
South Hamilton, MA 01982-2218
Phone (978) 468-7381

330 Brookline Ave
Boston, MA 02215-5400
Phone (617) 754-8612

330 Mount Auburn St
Cambridge, MA 02138-5502
Phone (781) 983-9088

41 Highland Ave
Winchester, MA 01890-1446
Phone (781) 729-9000

41 Mall Rd
Burlington, MA 01805-0001
Phone (781) 744-8085

Hospital & facility affiliations

  • Mount Auburn Hospital Hospital, Cambridge, MA, CCN 220002
  • Northeast Hospital Corporation Hospital, Beverly, MA, CCN 220033
  • Winchester Hospital Hospital, Winchester, MA, CCN 220105
  • Emerson Hospital - Hospital, W Concord, MA, CCN 220084
  • Lahey Hospital & Medical Center, Burlington Hospital, Burlington, MA, CCN 220171

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Lahey Clinic, Inc. Internal Medicine CurrentSince Jan 12, 2016 Accepting new patients
Winchester Lahey Inpatient Specialists PLLC Internal Medicine CurrentSince Jan 1, 2026 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jan 1, 2025 Accepting new patients
Mt Auburn Professional Services Internal Medicine CurrentSince Jul 1, 2014 Accepting new patients
Mount Auburn Professional Services Inc Internal Medicine CurrentSince Jul 1, 2014 Accepting new patients
Emerson Practice Associates, Inc. Internal Medicine CurrentSince Oct 24, 2018 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Internal Medicine CurrentSince Jan 1, 2025 Accepting new patients
Lahey Clinic, Inc Internal Medicine CurrentSince Jan 12, 2016 Accepting new patients
Beth Israel Lahey Health Primary Care Inc CurrentSince Sep 7, 2025 Accepting new patients
Beth Israel Lahey Health Primary Care, Inc. Internal Medicine CurrentSince Sep 7, 2025 Accepting new patients
Northeast Hospital Corporation Past Accepting new patients
Winchester Hospital Inpatient Specialists PLLC Internal Medicine Past Accepting new patients
Mt Auburn Prof Services Past Accepting new patients

Locations

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

41 Mall Rd
Burlington, MA 01805
Phone (781) 744-8400

330 Mount Auburn St
Cambridge, MA 02138
Phone (617) 499-5054

133 Ornac
Concord, MA 01742
Phone (978) 287-3000

57 Bedford St
Ste 130
Lexington, MA 02420
Phone (781) 484-7500

15 Railroad Ave
South Hamilton, MA 01982
Phone (978) 468-7381

41 Highland Ave
Winchester, MA 01890
Phone (781) 756-2000

1 Harbison Way
Ste 222
Columbia, SC 29212

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/86/brand/1/csg/1/fhir/r4
  • FHIR API: https://api.platform.athenahealth.com/10729/brand/1/csg/1/fhir/r4
  • Direct secure messaging: mjanisar73754@direct.bilh.masshiway.net

Organizations & group practices 13

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 13

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1313625600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1446681600000",
    "number": "1972883197",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 MOUNT AUBURN ST",
            "address_2": "DEPARTMENT OF MEDICINE",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021385502",
            "telephone_number": "251-554-6518"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 MOUNT AUBURN ST",
            "address_2": "DEPARTMENT OF MEDICINE",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021385502",
            "telephone_number": "617-492-3500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JANISAR",
        "first_name": "MUHAMMAD",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-08-18",
        "last_updated": "2015-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "257858",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cambridge, MA

Sources for this page

Verify at the official NPI Registry.