Individual provider Active NPI

James R Stone, MD, PHD

  • Anatomic Pathology Physician
  • Boston, MA
National Provider Identifier
1821070855
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology PhysicianTaxonomy code 207ZP0101X
License
203706 Issued in MA
Practice address
55 Fruit St WRN 202
Pathology Associates
Boston, MA 02114-2696
Phone
(617) 726-2967
Fax
(617) 726-7474
NPI assigned
Nov 16, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology Physician 207ZP0101X 203706 MA Primary

Addresses

Primary practice location

55 Fruit St WRN 202
Pathology Associates
Boston, MA 02114-2696

Mailing address

PO Box 9142
Mass. General Physician Organization
Charlestown, MA 02129-9142
Phone (617) 724-0287

Other practice location 1

75 Francis St
Cwnl1
Boston, MA 02115-6110
Phone (617) 732-5500

Other identifiers 3

IdentifierTypeStateIssuer
J22727OtherMABCBS OF MA
0106607MedicaidMA
408232OtherMATUFTS HEALTH PLAN

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: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20031106000012 MA Practitioner - Pathology 9739092842 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
University of Michigan Medical School, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
General Hospital Corp Current Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince Jul 1, 2000 Accepting new patients
The General Hospital Corporation CurrentSince May 23, 2013 Accepting new patients
Brigham & Womens Physicians Organization Inc CurrentSince Jan 1, 2026 Accepting new patients

Locations

75 Francis St
Boston, MA 02115

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
Boston, MA 02114

55 Fruit St
#202
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
#225
Boston, MA 02114
Phone (617) 726-2967

75 Francis St
#1
Boston, MA 02115
Phone (617) 732-6310

Interoperability endpoints

  • Direct secure messaging: stone.james.mgh@direct.partners.masshiway.net

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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": "1132099200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1821070855",
    "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": "55 FRUIT ST WRN 202",
            "address_2": "PATHOLOGY ASSOCIATES",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696",
            "telephone_number": "617-726-2967",
            "fax_number": "617-726-7474"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_2": "CWNL1",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STONE",
        "first_name": "JAMES",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-16",
        "last_updated": "2026-07-13",
        "certification_date": "2025-12-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "MA",
            "license": "203706",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS OF MA",
            "identifier": "J22727",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0106607",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "408232",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.