Melissa Jilleen Dicostanzo, FNP-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

359484 Issued in NY

Practice address

707 E Main St
Middletown, NY 10940-2650

Phone

(845) 333-1000

NPI assigned

Apr 13, 2026

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Garnet Health Doctors PCGroup PAC ID 8628293545, 165 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Garnet Health Medical Center Hospital, Middletown, NY, CCN 330126

Medicare enrollment (NPD)

Enrolled

State licenses

Interoperability endpoints

• Direct secure messaging: mdicostanzo25840@direct.garnethealth.org

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.

• Garnet Health Doctors PC

  • General Practice Physician
  • Middletown, NY
  • NPI 1093138851
  Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Garnet Health Medical Center

  • General Acute Care Hospital
  • Middletown, NY
  • NPI 1609875772
  Care Compare affiliation

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

{
    "created_epoch": "1776038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780531200000",
    "number": "1184567398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "707 E MAIN ST",
            "city": "MIDDLETOWN",
            "state": "NY",
            "postal_code": "109402650",
            "telephone_number": "845-333-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 E MAIN ST",
            "city": "MIDDLETOWN",
            "state": "NY",
            "postal_code": "109402650",
            "telephone_number": "845-333-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DICOSTANZO",
        "first_name": "MELISSA",
        "middle_name": "JILLEEN",
        "credential": "FNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-04-13",
        "last_updated": "2026-06-04",
        "certification_date": "2026-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "359484",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mdicostanzo25840@direct.garnethealth.org",
            "affiliation": "Y",
            "affiliationName": "Garnet Health Medical Center",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "707 East Main Street",
            "city": "Middletown",
            "state": "NY",
            "country_code": "US",
            "postal_code": "10940",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Magdeline Patricia Diaz Hurtado, FNP
• Deana Diaz, RDMS
• Jessica Diaz, NP
• Maria D Diaz, NP
• Lynne Dicostanzo, M.D.
• Ralph Dicurcio, D.C.
• Diana L. Dietz, AU.D, CCC-A
• Amy Lee Dimase, PA
• Robert E. Dinsmore, MD
• Christopher Dipede

• Family Nurse Practitioner in Middletown, NY
• Providers in Middletown, NY by specialty
• Family Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 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.