Individual provider Active NPI

Larissa M Costa, PA-C

  • Physician Assistant
  • Upton, MA
National Provider Identifier
1982121422
Registry record updated Jul 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA6244 Issued in MA
Practice address
236 Milford St
Upton, MA 01568-1309
Phone
(508) 473-1015
Fax
(508) 634-0261
NPI assigned
Aug 25, 2017
Last updated
Jul 24, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Physician Assistant 363AM0700X PA6244 MA
Physician Assistant 363A00000X PA6244 MA Primary

Addresses

Primary practice location

236 Milford St
Upton, MA 01568-1309

Mailing address

PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885

Other practice location 1

14 Prospect St
Milford, MA 01757-3003
Phone (508) 473-1190

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
I20171109003442 MA Practitioner - Physician Assistant 4183980923 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

170 Governors Ave
Medford, MA 02155-1643
Phone (781) 395-4909

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Milford Regional Physician Group, Inc. CurrentSince Oct 30, 2017 Accepting new patients
Milford Regional Physician Group, Inc. CurrentSince Oct 30, 2017 Accepting new patients
Mass General Brigham Community Physicians Inc CurrentSince Oct 1, 2022 Accepting new patients
Milford Regional Physician Group, Inc. Current Accepting new patients

Locations

170 Governors Ave
Medford, MA 02155
Phone (781) 306-6000

100 Medway Rd
Ste 401
Milford, MA 01757
Phone (508) 634-7338

14 Prospect St
Milford, MA 01757
Phone (508) 422-2343

9 Industrial Rd
Ste 5
Milford, MA 01757
Phone (508) 473-1480

Interoperability endpoints

  • Direct secure messaging: costa.larissa.cp@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

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": "1503619200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784851200000",
    "number": "1982121422",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348",
            "telephone_number": "800-225-8885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "236 MILFORD ST",
            "city": "UPTON",
            "state": "MA",
            "postal_code": "015681309",
            "telephone_number": "508-473-1015",
            "fax_number": "508-634-0261"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "14 Prospect St",
            "address_purpose": "LOCATION",
            "city": "Milford",
            "state": "MA",
            "postal_code": "017573003",
            "country_code": "US",
            "telephone_number": "508-473-1190",
            "fax_number": "508-482-5416",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COSTA",
        "first_name": "LARISSA",
        "middle_name": "M",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-08-25",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "MA",
            "license": "PA6244",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "PA6244",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Upton, MA

Sources for this page

Verify at the official NPI Registry.