Walter Howard Warriner, NPP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

F400900 Issued in NY

Practice address

356 Main St E
Randolph, NY 14772-9696

Phone

(716) 358-3636

Fax

(716) 358-2342

NPI assigned

Dec 5, 2005

Last updated

Sep 9, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Enrolled in NY, PA2 enrollments

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 2

Specialty

Nurse Practitioner

Education

Other, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Upmc Chautauqua at WcaGroup PAC ID 4385630342, 26 clinicians

Seneca Nation of IndiansGroup PAC ID 8123920592, shared by 5 NPIs, 29 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Upmc Chautauqua at Wca Hospital, Jamestown, NY, CCN 330239

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: walter.warriner@upmcdirect.com
• Direct secure messaging: wwarriner263530@upmc.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Upmc Chautauqua at Wca

  dba UPMC Chautauqua WCA

  • Hematology & Oncology Physician
  • Jamestown, NY
  • NPI 1295033298
  Medicare reassignment Care Compare group NPD
• Seneca Nation of Indians

  • Federally Qualified Health Center (FQHC)
  • Salamanca, NY
  • NPI 1023033511
  Medicare reassignment NPD
• Olean General Hospital

  • General Practice Physician
  • Bradford, PA
  • NPI 1649296781

  NY, Psychiatric/Mental Health

  Medicare reassignment NPD
• Jamestown Psychiatric PC

  • Child & Adolescent Psychiatry Physician
  • Jamestown, NY
  • NPI 1700062247
  Medicare reassignment
• Olean General Hospital

  dba Foothills Medical Group

  • General Practice Physician
  • Olean, NY
  • NPI 1033499017
  NPD
• Seneca Nation of Indians

  • Land Ambulance
  • Irving, NY
  • NPI 1982231890
  NPD
• Upmc Chautauqua at Wca

  dba UPMC Chautauqua WCA

  • Psychiatry Physician
  • Jamestown, NY
  • NPI 1386725182
  NPD
• Upmc Chautauqua at Wca

  dba UPMC Chautauqua WCA

  • Substance Use Disorder Rehabilitation Hospital Unit
  • Jamestown, NY
  • NPI 1568023687
  NPD
• New Directions Youth & Family Services Inc

  • Emotionally Disturbed Childrens' Residential Treatment Facility
  • Lockport, NY
  • NPI 1104010347
  NPD (past)
• Seneca Nation of Indians

  dba Lionel R John Health Center

  • Federally Qualified Health Center (FQHC)
  • Salamanca, NY
  • NPI 1609882976
  NPD (past)
• Jamestown Psychiatric PC

  • Psychiatry Physician
  • Ridgway, PA
  • NPI 1003505132
  NPD (past)

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

• Upmc Chautauqua at Wca

  dba UPMC Chautauqua WCA

  • Substance Use Disorder Rehabilitation Hospital Unit
  • Jamestown, NY
  • NPI 1568023687
  Care Compare affiliation
• Upmc Chautauqua at Wca

  dba UPMC Chautauqua WCA

  • General Acute Care Hospital
  • Jamestown, NY
  • NPI 1770573222
  Care Compare affiliation

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

{
    "created_epoch": "1133740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1215911979",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "356 MAIN ST E",
            "city": "RANDOLPH",
            "state": "NY",
            "postal_code": "147729696",
            "telephone_number": "716-358-3636",
            "fax_number": "716-358-2342"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "356 MAIN ST E",
            "city": "RANDOLPH",
            "state": "NY",
            "postal_code": "147729696",
            "telephone_number": "716-358-3636",
            "fax_number": "716-358-2342"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARRINER",
        "first_name": "WALTER",
        "middle_name": "HOWARD",
        "name_prefix": "Mr.",
        "credential": "NPP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-05",
        "last_updated": "2026-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "F400900",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wwarriner263530@upmc.direct-ci.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Katherine Prendergast, LMSW
• Jessica Prior, RN
• Randolph Central School District
• Randolph Regional EMS Corporation
• Gail Chester Sandy, RPH
• Cheryl Wascher, MSCCCSLP

• Psychiatric/Mental Health Nurse Practitioner in Randolph, NY
• Providers in Randolph, 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 Sep 9, 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.