Theresa Joyce Halloran

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

F339720-1 Issued in NY

Practice address

1190 5TH Ave
New York, NY 10029-6503

Phone

(212) 427-1540

Fax

(212) 410-7196

NPI assigned

Oct 3, 2016

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 NY

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, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Icahn School of Medicine at Mount SinaiGroup PAC ID 2264691070, 2,809 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Sinai Hospital Hospital, New York, NY, CCN 330024

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722

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.

• Icahn School of Medicine at Mount Sinai

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1487912416
  Medicare reassignment Care Compare group NPD
• Icahn School of Medicine at Mount Sinai

  • Eyewear Supplier
  • New York, NY
  • NPI 1760227466
  NPD
• Icahn School of Medicine at Mount Sinai

  • Obstetrics & Gynecology Physician
  • New York, NY
  • NPI 1124392212
  NPD (past)

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

• Mount Sinai Hospital

  • Clinical Medical Laboratory
  • New York, NY
  • NPI 1033206362

  Hospital

  Care Compare affiliation
• Mount Sinai Hospital

  • General Acute Care Hospital
  • Long Island City, NY
  • NPI 1245248939
  Care Compare affiliation
• Mount Sinai Hospital

  • Rehabilitation Hospital
  • New York, NY
  • NPI 1669440327
  Care Compare affiliation
• Mount Sinai Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1932103413
  Care Compare affiliation
• Mount Sinai Hospital Pharmacy

  • General Acute Care Hospital
  • New York, NY
  • NPI 1225295512
  Care Compare affiliation
• Mount Sinai Hospital-Ambulance

  • Ambulance
  • New York, NY
  • NPI 1568601342

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1475452800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748563200000",
    "number": "1750830642",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 GUSTAVE L LEVY PL # 1030",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296504"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1190 5TH AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296503",
            "telephone_number": "212-427-1540",
            "fax_number": "212-410-7196"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "381 Cottekill Rd",
            "address_purpose": "LOCATION",
            "city": "Stone Ridge",
            "state": "NY",
            "postal_code": "124845103",
            "country_code": "US",
            "telephone_number": "845-594-1639",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Gustave L Levy Pl",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100296504",
            "country_code": "US",
            "telephone_number": "212-427-5140",
            "fax_number": "212-410-7196",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HALLORAN",
        "first_name": "THERESA",
        "middle_name": "JOYCE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-10-03",
        "last_updated": "2025-05-30",
        "certification_date": "2025-05-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F339720-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabethe Halligan, SLP
• Melissa F. Halligan, PH.D.
• Cameron Lee Hallihan, MD
• Aveen Hallissey
• Bethany Celeste Halliwell, OTR/L
• Lana Hallstein, LCSW
• Dylan Halom
• Joshua Halpenny-Nguyen
• Darragh Halpenny
• Gillian Rose Halper, LMSW

• Family Nurse Practitioner in New York, NY
• Providers in New York, 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 May 30, 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.