Individual provider Active NPI

Kristen Lafountain, PA-C

  • Physician Assistant
  • Boston, MA
National Provider Identifier
1366997538
Registry record updated Oct 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA5840 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6106
Phone
(617) 732-5500
NPI assigned
Aug 17, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA5840 MA Primary

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6106

Mailing address

75 Francis St
Boston, MA 02115-6106

Other practice location 1

450 Brookline Ave
Boston, MA 02215
Phone (617) 632-3000

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170117000160 MA Practitioner - Physician Assistant 8527340157 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Dana-Farber Cancer Institute, Inc.Group PAC ID 9133038904, shared by 5 NPIs, 671 clinicians

Practice addresses (Care Compare)

450 Brookline Ave
Boston, MA 02215-5418

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
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA5840MAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Dana-Farber Cancer Institute, Inc. CurrentSince Oct 1, 2019 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince May 1, 2025 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Oct 1, 2019 Accepting new patients
Riverbend Medical Group, Inc CurrentSince Dec 5, 2016 Accepting new patients
Brigham & Womens Physicians Organization Inc CurrentSince Oct 1, 2025 Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

450 Brookline Ave
Boston, MA 02215
Phone (508) 478-2061

444 Montgomery St
Chicopee, MA 01020
Phone (413) 594-3111

233 Carew St
#101
Springfield, MA 01104
Phone (413) 748-9212

271 Carew St
Springfield, MA 01104
Phone (413) 748-9000

Interoperability endpoints

  • Direct secure messaging: lafountain.kristen.dfci@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 and National Provider Directory roles.

Hospital & facility affiliations 1

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": "1471392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760659200000",
    "number": "1366997538",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156106"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156106",
            "telephone_number": "617-732-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "450 Brookline Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "02215",
            "country_code": "US",
            "telephone_number": "617-632-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAFOUNTAIN",
        "first_name": "KRISTEN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-08-17",
        "last_updated": "2025-10-17",
        "certification_date": "2025-10-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "PA5840",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.