James F Gregoire, MD

Primary specialty

Cornea and External Diseases Specialist PhysicianTaxonomy code 207WX0120X

License

291290 Issued in MA

Practice address

24 Webster PL
Brookline, MA 02445-7937

Phone

(617) 202-2020

Fax

(617) 734-3264

NPI assigned

Mar 23, 2018

Last updated

Sep 18, 2026By the provider in NPPES

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

Electronic endpoints 1

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

Specialty

Ophthalmology

Education

Tulane University School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Boston Laser Eye Institute PCGroup PAC ID 9739123381, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: james.gregoire.p1@direct.bostoneyegroup.nextgenshare.com
• Direct secure messaging: jgregoire@bostonvision.intellechartdirect.net

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.

• Boston Laser Eye Institute, PC

  dba Boston Vision

  • Specialist
  • Brookline, MA
  • NPI 1053496497
  Medicare reassignment Care Compare group NPD
• Boston Vision Network One

  • Ophthalmology Physician
  • Brookline, MA
  • NPI 1679228738
  NPD (past)
• Boston Vision Network One-Lawrence LLC

  • Ophthalmology Physician
  • Lawrence, MA
  • NPI 1629712526
  NPD (past)

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

• Massachusetts Eye and Ear Infirmary

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1639101751
  Care Compare affiliation

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

{
    "created_epoch": "1521763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789689600000",
    "number": "1639673676",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24 WEBSTER PL",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024457937",
            "telephone_number": "617-202-2020",
            "fax_number": "617-734-3264"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24 WEBSTER PL",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024457937",
            "telephone_number": "617-202-2020",
            "fax_number": "617-734-3264"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREGOIRE",
        "first_name": "JAMES",
        "middle_name": "F",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-23",
        "last_updated": "2026-09-18",
        "certification_date": "2026-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207WX0120X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Cornea and External Diseases Specialist",
            "state": "MA",
            "license": "291290",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jgregoire@bostonvision.intellechartdirect.net",
            "affiliation": "N",
            "endpointDescription": "Registered address for direct messaging",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "24 Webster Pl",
            "city": "Brookline",
            "state": "MA",
            "country_code": "US",
            "postal_code": "024457937",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Dana Rebecca Greene, MS, RD, LDN
• Kathryn Alana Greene, PSY.D.
• Megan Elizabeth Greene
• Allan H Greenfield, M.D.
• Nancy Lorene Gregg, ED.D.
• Michael G Gregory, MD
• Stuart McLellan Grey, D.C.
• Nancy Griffiths, LMHC
• Stephen Robert Grigelevich, LCSW
• Rhoda Grill, LICSW

• Cornea and External Diseases Specialist Physician in Brookline, MA
• Providers in Brookline, MA by specialty
• Cornea and External Diseases Specialist Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.