Joel Stephen Finkelstein, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

52162 Issued in MA

Practice address

15 Parkman St
Wac 730S
Boston, MA 02114-3117

Phone

(617) 726-8720

Fax

(617) 724-2718

NPI assigned

Dec 6, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

State licenses

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.

• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573
  Medicare reassignment
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment

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

{
    "created_epoch": "1133827200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789257600000",
    "number": "1366426009",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS GENERAL PHYSICIAN ORGANIZATION",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15 PARKMAN ST",
            "address_2": "WAC 730S",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143117",
            "telephone_number": "617-726-8720",
            "fax_number": "617-724-2718"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FINKELSTEIN",
        "first_name": "JOEL",
        "middle_name": "STEPHEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-06",
        "last_updated": "2026-09-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "52162",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MA",
            "license": "52162",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "724167",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J03295",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6174671",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alisa G Finkel, MSPT
• Joshua Finkel, M.D.
• Tomer Finkelberg
• Lucy Finkelstein-Fox, PHD
• Aaron Finkelstein, LMHC
• Jonathan A Finkelstein, M.D.
• Julia Beth Finkelstein, MD
• Lauren Beth Finkelstein, MA
• Max William Finkelstein
• Sara Finkelstein, MD

• Endocrinology, Diabetes & Metabolism Physician in Boston, MA
• Providers in Boston, MA by specialty
• Endocrinology, Diabetes & Metabolism Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 13, 2026; 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.