Evan Christopher Key

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

226535 Issued in OK

Practice address

1923 S Utica Ave
Tulsa, OK 74104-6520

Phone

(918) 744-3131

NPI assigned

Oct 13, 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 OK

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

Usacs Observation Medicine Services of Oklahoma, LLCGroup PAC ID 9931562956, 203 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension St John Medical Center Hospital, Tulsa, OK, CCN 370114

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 and National Provider Directory roles.

• Usacs Observation Medicine Services of Oklahoma, LLC

  • Emergency Medicine Physician
  • Tulsa, OK
  • NPI 1326739111
  Medicare reassignment Care Compare group NPD
• Usacs Critical Care Medicine of Oklahoma, LLC

  • Critical Care Medicine (Internal Medicine) Physician
  • Broken Arrow, OK
  • NPI 1255166856
  Medicare reassignment NPD

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

• St John Medical Center Inc

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1154417368
  Care Compare affiliation
• St John Medical Center Inc

  • Rehabilitation Hospital Unit
  • Tulsa, OK
  • NPI 1578656161
  Care Compare affiliation

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

{
    "created_epoch": "1760313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764806400000",
    "number": "1811863442",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5548 S ATLANTA AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741057247",
            "telephone_number": "918-812-7265"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1923 S UTICA AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741046520",
            "telephone_number": "918-744-3131"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEY",
        "first_name": "EVAN",
        "middle_name": "CHRISTOPHER",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-10-13",
        "last_updated": "2025-12-04",
        "certification_date": "2025-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "OK",
            "license": "226535",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katherine Queen Ketter
• Pheona Ketter, REGISTERED NURSE
• Anna Maria Kettlewood, MSW, LCSW
• John J Keveney Jr., MD
• Key Health Tulsa, LLC
• Jill Christian Key, RN
• Hannah Joy Keylada, APRN
• Hany Heshmat Keylada, MD
• Nemarca J Keys
• Valorie L Keys, BCMHC, BCYMHC

• Acute Care Nurse Practitioner in Tulsa, OK
• Providers in Tulsa, OK by specialty
• Acute Care Nurse Practitioner in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 4, 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.