Marissa Jane Casillo, FNP
Individual provider Active NPI Family Nurse Practitioner · Foxboro, MA
NPI 1972251817 · NPPES record last updated Jun 12, 2026
Key facts
- NPI
- 1972251817
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Family Nurse Practitioner 363LF0000X
- License
- RN2273512 (MA)
- Practice address
- 18 Washington St
Foxboro, MA 02035-1072 - Phone
- (781) 551-5812
- NPI assigned
- Mar 10, 2022
- Sex
- Female
- Sole proprietor
- No
Organizations & group practices 1
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 |
|---|---|---|---|---|
| I20220506000557 | MA | Practitioner - Nurse Practitioner | 6608253927 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| F03210086 | MA | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Neurology Center of New England, P.C. | Current |
Accepting new patients |
Locations
9 Payson Rd
Ste 100
Foxboro, MA 02035
Phone (781) 551-5812
9 Payson Rd
Foxborough, MA 02035
Phone (774) 215-9075
15 Payson Rd
Foxborough, MA 02035
Phone (781) 551-5812
18 Washington St
Foxborough, MA 02035
Phone (508) 698-0044
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/JCJBCA
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | F03210086 | MA | |
| Family Nurse Practitioner | 363LF0000X | RN2273512 | MA | Yes |
Addresses
Primary practice location
18 Washington St
Foxboro, MA 02035-1072
Mailing address
18 Washington St
Foxboro, MA 02035-1072
Phone (781) 551-5812
Other providers in Foxboro, MA
- Caritas Good Samaritan Medical Center
- Caritas Good Samaritan Medical Center-Norcap Lodge
- Caritas Physical Therapy at Foxboro
- Mary E Carter-Hooberman
- Ryan Casey
- Erin L Cassella
- Elizabeth Cauldwell-Burke
- Alexandra Chapman
- Katherine L Chelotti
- Charles S Chen
All providers in Foxboro, MA · Family Nurse Practitioner in Massachusetts
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jun 12, 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).
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.