Larissa M Costa, PA-C
Individual provider Active NPI Physician Assistant · Upton, MA
NPI 1982121422 · NPPES record last updated Jul 24, 2026
Key facts
- NPI
- 1982121422
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Physician Assistant 363A00000X
- License
- PA6244 (MA)
- Practice address
- 236 Milford St
Upton, MA 01568-1309 - Phone
- (508) 473-1015
- Fax
- (508) 634-0261
- NPI assigned
- Aug 25, 2017
- Sex
- Female
- Sole proprietor
- No
Organizations & group practices 9
Hospital & facility affiliations 3
Medicare Care Compare profile
- Specialty
- Physician Assistant
- Education
- Other, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Mass General Brigham Community Physicians Inc
Practice addresses (Care Compare)
170 Governors Ave
Medford, MA 02155-1643
Phone (781) 395-4909
Hospital & facility affiliations
- Milford Regional Medical Center
- Umass Memorial Medical Center/University Campus
- Brigham and Women'S Hospital
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: No
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20171109003442 | MA | Practitioner - Physician Assistant | 4183980923 | Reassigns benefits to 2 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Milford Regional Physician Group, Inc. | Current |
Accepting new patients | |
| Milford Regional Physician Group, Inc. | Current | Accepting new patients | |
| Milford Regional Physician Group, Inc. | Current |
Accepting new patients |
Locations
9 Industrial Rd
Ste 5
Milford, MA 01757
Phone (508) 473-1480
100 Medway Rd
Ste 401
Milford, MA 01757
Phone (508) 634-7338
14 Prospect St
Milford, MA 01757
Phone (508) 422-2343
Interoperability endpoints
- costa.larissa.cp@direct.partners.masshiway.net
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Medical Physician Assistant | 363AM0700X | PA6244 | MA | |
| Physician Assistant | 363A00000X | PA6244 | MA | Yes |
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
Other providers in Upton, MA
- Bahirati Chambers
- Linda Christian
- Priscilla Cogan
- Stephanie Colman-Brochu
- Joshua Thomas Corey
- Jennifer Beth Costello
- Regina Cunningham
- Wendy Elizabeth Dahl
- Alexandra Deiana
- Rachel Gorman Delaney
All providers in Upton, MA · Physician Assistant in Massachusetts
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jul 24, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.