Adam Gordon O'Brien, APRN, RN, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

404805 Issued in NY

Practice address

100 Woods Rd
Valhalla, NY 10595-1530

Phone

(914) 493-7182

Fax

(914) 493-7152

NPI assigned

Jan 31, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 7

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

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as group

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

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.

• Westchester Medical Center Advanced Physician Services, PC

  • Surgery Physician
  • Valhalla, NY
  • NPI 1912131392
  Medicare reassignment NPD
• Westchester Medical Center Advanced Physician Services PC

  • Anesthesiology Physician
  • Valhalla, NY
  • NPI 1740687458
  NPD

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

{
    "created_epoch": "1675123200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1801592951",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 8512",
            "city": "WOODCLIFF LAKE",
            "state": "NJ",
            "postal_code": "076778512",
            "telephone_number": "551-252-2457"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 WOODS RD",
            "city": "VALHALLA",
            "state": "NY",
            "postal_code": "105951530",
            "telephone_number": "914-493-7182",
            "fax_number": "914-493-7152"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "600C Lake St",
            "address_purpose": "LOCATION",
            "city": "Ramsey",
            "state": "NJ",
            "postal_code": "074461360",
            "country_code": "US",
            "telephone_number": "201-707-4722",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "ADAM",
        "middle_name": "GORDON",
        "name_prefix": "Mr.",
        "credential": "APRN, RN, PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-01-31",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NH",
            "license": "09190023",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "CT",
            "license": "011631",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "404805",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NJ",
            "license": "26NJ01472800",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CT",
            "license": "10.180247",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NY",
            "license": "668512",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NJ",
            "license": "26NR15624200",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Salina N Nordstrom, FNP
• Katherine Novello
• Rachel Nucci
• Elaine Teresa Nunez
• Nyctg New York Cardiothoracic Group
• Shannon O'Brien
• Daniel Edward O'Connell, MD, MPH
• Anne M. O'Connor, APRN, BC
• Lisa O'Donovan, R.D.
• Kathleen A O'Keefe, NP

• Psychiatric/Mental Health Nurse Practitioner in Valhalla, NY
• Providers in Valhalla, NY by specialty
• Psychiatric/Mental Health Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.