Keenan Walker

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

SP033045 Issued in PA

Practice address

200 Lothrop St
Pittsburgh, PA 15213-2536

Phone

(412) 641-4800

Fax

(412) 641-4800

NPI assigned

Aug 25, 2025

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

Medicare fee-for-service enrollment

Enrolled in PA

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, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Pittsburgh PhysiciansGroup PAC ID 8729990239, 4,166 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Upmc Presbyterian Shadyside Hospital, Pittsburgh, PA, CCN 390164

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004
  Medicare reassignment Care Compare group NPD
• University of Pittsburgh Physicians

  dba UPP Critial Care Medicine

  • Critical Care Medicine (Anesthesiology) Physician
  • Pittsburgh, PA
  • NPI 1215999180
  NPD
• University of Pittsburgh Physicians

  • Diagnostic Radiology Physician
  • Pittsburgh, PA
  • NPI 1285692699
  NPD
• Upmc Emergency Medicine Inc

  • Emergency Medicine Physician
  • Pittsburgh, PA
  • NPI 1891744041
  NPD (past)

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

• Upmc Presbyterian Shadyside

  • Ambulatory Surgical Clinic/Center
  • Pittsburgh, PA
  • NPI 1144384082

  Hospital

  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • Methadone Clinic
  • Pittsburgh, PA
  • NPI 1518089200

  Hospital

  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • Psychiatric Hospital Unit
  • Pittsburgh, PA
  • NPI 1750390134
  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • General Acute Care Hospital
  • Pittsburgh, PA
  • NPI 1821007881
  Care Compare affiliation

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

{
    "created_epoch": "1756080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1649158023",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 LOTHROP ST",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152132536",
            "telephone_number": "412-641-4800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 LOTHROP ST",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152132536",
            "telephone_number": "412-641-4800",
            "fax_number": "412-641-4800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALKER",
        "first_name": "KEENAN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-08-25",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "PA",
            "license": "SP033045",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Walker
• Jordyn Walker
• Joseph Walker
• Julie Marie Walker
• Kathleen Walker, LPC
• Kellie Walker, LPC
• Krista Marie Walker, PHARMD
• Kristen Walker, LPC
• Laura Christine Walker, NCC, LPC
• Leanne Walker

• Acute Care Nurse Practitioner in Pittsburgh, PA
• Providers in Pittsburgh, PA by specialty
• Acute Care Nurse Practitioner in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 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.