Marissa Jane Casillo, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

RN2273512 Issued in MA

Practice address

18 Washington St
Foxboro, MA 02035-1072

Phone

(781) 551-5812

NPI assigned

Mar 10, 2022

Last updated

Jun 12, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/JCJBCA

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.

• Neurology Center of New England, P.C.

  • Neurology Physician
  • Foxboro, MA
  • NPI 1679817027
  Medicare reassignment NPD

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

{
    "created_epoch": "1646870400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781222400000",
    "number": "1972251817",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18 WASHINGTON ST",
            "city": "FOXBORO",
            "state": "MA",
            "postal_code": "020351072",
            "telephone_number": "781-551-5812"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18 WASHINGTON ST",
            "city": "FOXBORO",
            "state": "MA",
            "postal_code": "020351072",
            "telephone_number": "781-551-5812"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASILLO",
        "first_name": "MARISSA",
        "middle_name": "JANE",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-10",
        "last_updated": "2026-06-12",
        "certification_date": "2026-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "F03210086",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2273512",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Caritas Good Samaritan Medical Center
• Caritas Good Samaritan Medical Center-Norcap Lodge
• Caritas Physical Therapy at Foxboro
• Mary E Carter-Hooberman, LICSW
• Ryan Casey
• Erin L Cassella, M.S., CCC-SLP
• Elizabeth Cauldwell-Burke
• Alexandra Chapman
• Katherine L Chelotti, DPT
• Charles S Chen, MD

• Family Nurse Practitioner in Foxboro, MA
• Providers in Foxboro, MA by specialty
• Family Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.