Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Evan Christopher Key

Individual provider Acute Care Nurse Practitioner · NPI 1811863442

Evan Christopher Key is a Nurse Practitioner in Tulsa, Oklahoma. Qualified in 2025, 1 year ago. Practices with Usacs Observation Medicine Services of Oklahoma, LLC, a 200-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
1
Licensed in
OK
In the registry since
2025
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Practice location Address checks out

1923 S Utica Ave
Tulsa, OK 74104-6520
Phone: (918) 744-3131
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 226535 (OK)

Record details

NPI number1811863442
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 13, 2025
Last updated in NPPESDecember 4, 2025
Certification dateDecember 4, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Usacs Observation Medicine Services Of Oklahoma, Llc — 200 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Usacs Observation Medicine Services of Oklahoma, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 200 clinicians in the practice; 12 are shown here.

Other providers in Tulsa