NPIMap

Individual provider Active NPI

James Stuart Allan, MD

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Boston, MA
National Provider Identifier
1699765859
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X
License
80823 Issued in MA
Practice address
55 Fruit St
BLK 1570
Boston, MA 02114-2621
Phone
(617) 724-1103
Fax
(978) 745-9024
NPI assigned
Oct 27, 2005
Last updated
Jul 13, 2026By the provider in NPPES
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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 80823 MA
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X 80823 MA Primary

Addresses

Primary practice location

55 Fruit St
BLK 1570
Boston, MA 02114-2621

Mailing address

PO Box 9142
Charlestown, MA 02129-9142
Phone (617) 724-0287

Other identifiers 3

IdentifierTypeStateIssuer
J31455OtherMABCBS MA
3141799MedicaidMA
727235OtherMATUFTS HEALTH PLAN

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NH, ME3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20031113000644 MA Practitioner - Thoracic SurgeryPractitioner - General Surgery 3072427111 Reassigns benefits to 3 organizations
I20120725000006 NH Practitioner - Thoracic SurgeryPractitioner - General Surgery 3072427111 Reassigns benefits to 1 organization
I20171122001251 ME Practitioner - Thoracic Surgery 3072427111 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Thoracic SurgeryAlso: General Surgery
Education
Harvard Medical School, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

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

789 Central Ave
Dover, NH 03820-2526
Phone (603) 740-4478

81 Highland Ave
Salem, MA 01970-2714
Phone (978) 741-1200

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Oct 1, 2006 Accepting new patients
Wentworth Douglass Physician Corporation CurrentSince Jun 4, 2012 Accepting new patients
York Hospital Surgery CurrentSince Nov 30, 2017 Accepting new patients
Wentworth Douglass Physician Corporation Thoracic Surgery (Cardiothoracic Vascular Surgery) CurrentSince Jun 4, 2012 Accepting new patients
General Hospital Corp Current Accepting new patients
Mass General Brigham Medical Group Northern Massachusetts Inc Surgery CurrentSince Aug 8, 1995 Accepting new patients
Massachusetts General Physicians Organization Inc Surgery CurrentSince Aug 8, 1995 Accepting new patients
North Shore Pulmonary Associates, Inc PastSince Dec 5, 2007 Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

55 Fruit St
#1570
Boston, MA 02114
Phone (617) 726-2806

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

1 Hutchinson Dr
Danvers, MA 01923
Phone (978) 739-6950

55 Highland Ave
Ste 104
Salem, MA 01970
Phone (978) 745-4489

15 Hospital Dr
York, ME 03909
Phone (207) 351-2478

16 Hospital Dr
York, ME 03909
Phone (207) 351-3455

10 Members Way
Ste 402
Dover, NH 03820
Phone (603) 740-9713

750 Central Ave
Ste Q
Dover, NH 03820
Phone (603) 742-6030

789 Central Ave
Dover, NH 03820
Phone (603) 740-2832

789 Central Ave
Lowr
Dover, NH 03820

Interoperability endpoints

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

Organizations & group practices 8

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

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": "1130371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699765859",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "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",
            "address_2": "BLK 1570",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-724-1103",
            "fax_number": "978-745-9024"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLAN",
        "first_name": "JAMES",
        "middle_name": "STUART",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MA",
            "license": "80823",
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "MA",
            "license": "80823",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J31455",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3141799",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "727235",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.