Melissa Arnel Hagar, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

CNP241811 Issued in ME

Practice address

22 Station Ave Ste 101
Brunswick, ME 04011-2092

Phone

(207) 373-6848

Fax

(207) 618-5680

NPI assigned

May 24, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in ME

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, 2024

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mainehealth Mid Coast Hospital Hospital, Brunswick, ME, CCN 200021

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Mainehealth

  • Community/Retail Pharmacy
  • Portland, ME
  • NPI 1013868181
  NPD
• Mainehealth

  • Psychiatric Hospital
  • Westbrook, ME
  • NPI 1790265502
  NPD
• Mainehealth

  • Multi-Specialty Clinic/Center
  • Brunswick, ME
  • NPI 1902422561
  NPD

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

• Mainehealth

  • General Acute Care Hospital
  • Brunswick, ME
  • NPI 1932164795
  Care Compare affiliation

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

{
    "created_epoch": "1748044800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760486400000",
    "number": "1467245282",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 STATION AVE STE 101",
            "city": "BRUNSWICK",
            "state": "ME",
            "postal_code": "040112092",
            "telephone_number": "207-373-6848",
            "fax_number": "207-618-5680"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 STATION AVE STE 101",
            "city": "BRUNSWICK",
            "state": "ME",
            "postal_code": "040112092",
            "telephone_number": "207-373-6848",
            "fax_number": "207-618-5680"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAGAR",
        "first_name": "MELISSA",
        "middle_name": "ARNEL",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-05-24",
        "last_updated": "2025-10-15",
        "certification_date": "2025-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "ME",
            "license": "CNP241811",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Guardian Pharmacy of Maine, LLC
• Julie Guerrette, PMHNP
• Darrin Paul Guitreau, PA-C
• John J Gullo, MD
• Nancy Patricia Gwadry, APRN-CNP
• Deborah Hagler, MD
• Sally Haley, MD
• Cody Michael Hall
• Ralph Edward Hall, LADC
• Moreen Halmo, PH.D.

• Family Nurse Practitioner in Brunswick, ME
• Providers in Brunswick, ME by specialty
• Family Nurse Practitioner in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2025; 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.