Robert J. Master, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

35355 Issued in MA

Practice address

9A Forest St
Cambridge, MA 02140-1501

Phone

(617) 680-6892

Fax

(857) 678-4049

NPI assigned

Oct 18, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 3

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: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/EIBAED/Endpoint/EIBAED

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.

• Covid Safe at Home, Inc.

  • Primary Care Clinic/Center
  • Cambridge, MA
  • NPI 1548995103
  NPD Authorized official
• Michelle Master MD Family Medicine PLLC.

  • Family Medicine Physician
  • Newton, MA
  • NPI 1598654808
  Medicare reassignment
• Newvision Healthcare Group

  • Addiction Medicine (Psychiatry & Neurology) Physician
  • Randolph, MA
  • NPI 1215521091
  NPD

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

{
    "created_epoch": "1161129600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1726531200000",
    "number": "1518048131",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9A FOREST ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021401501",
            "telephone_number": "617-680-6892",
            "fax_number": "857-678-4049"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9A FOREST ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021401501",
            "telephone_number": "617-680-6892",
            "fax_number": "857-678-4049"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTER",
        "first_name": "ROBERT",
        "middle_name": "J.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-18",
        "last_updated": "2024-09-17",
        "certification_date": "2024-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "35355",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HPHC NUMBER",
            "identifier": "66923UH",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS NUMBER",
            "identifier": "M08434",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0138401",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Massachusetts Institute of Technology
• Massachusetts Institute of Technology
• Massachusetts Institute of Technology
• Marie C Massillon
• Doryam Cecilia Massimo, MA
• Steven I Master, M.D.
• Bronwyn Mastrangelo, RN
• Bronwyn Kate Mastrangelo
• Manfred Nathan Mate-Kole, MBCHB, MPH
• Caryl S. Mather, MD

• Internal Medicine Physician in Cambridge, MA
• Providers in Cambridge, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.