Alyssa Simmarano

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

RN263644 Issued in MA

Practice address

313 6TH St
Leominster, MA 01453-4341

Phone

(508) 639-8818

Fax

(508) 603-9310

NPI assigned

Jul 11, 2023

Sex

Female

Sole proprietor

Yes

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

Specialty

Nurse Practitioner

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Northeast Health Services LLCGroup PAC ID 6901866706, 470 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Northeast Health Services, LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Taunton, MA
  • NPI 1225067481
  Medicare reassignment Care Compare group NPD
• Supportive Behavioral Care of Ma LLC

  • Clinical Psychologist
  • Needham, MA
  • NPI 1780115519
  Medicare reassignment NPD
• Compassionate Care Integrative Psychiatry, PLLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Leominster, MA
  • NPI 1295681344
  NPD Authorized official

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

{
    "created_epoch": "1689033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1417635111",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "313 6TH ST",
            "city": "LEOMINSTER",
            "state": "MA",
            "postal_code": "014534341",
            "telephone_number": "508-639-8818",
            "fax_number": "508-603-9310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "313 6TH ST",
            "city": "LEOMINSTER",
            "state": "MA",
            "postal_code": "014534341",
            "telephone_number": "508-639-8818",
            "fax_number": "508-603-9310"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "108 Grove St Ste 307-310",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016052651",
            "country_code": "US",
            "telephone_number": "774-315-1803",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "435 Shrewsbury St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016041689",
            "country_code": "US",
            "telephone_number": "508-509-1951",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIMMARANO",
        "first_name": "ALYSSA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-07-11",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN263644",
            "primary": true
        },
        {
            "code": "163WM0705X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Medical-Surgical",
            "state": "MA",
            "license": "263644",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Olivia Sibailly
• Michelle Rita Sicard, M.D.
• Jordan E Siegmann, DPT
• Laura K. Silk, MD
• Rebecca Silva
• Lynda N. Simmons, LICSW
• Robert Jay Simmons, PH.D.
• Laurissa CS Simms, D.C.
• Heather Lyn Simpson
• Sarah Ann Simpson

• Psychiatric/Mental Health Nurse Practitioner in Leominster, MA
• Providers in Leominster, MA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.