Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Christopher Tyler Key, PA-C

Individual provider Physician Assistant · NPI 1396093902

Christopher Tyler Key, PA-C is a Physician Assistant in Walnut Creek, California. Qualified in 2012, 14 years ago. Practices with John Muir Physician Network, a 486-clinician group and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
14
Licensed in
CA, OR
In the registry since
2012
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

122 La Casa Via Ste 120
Walnut Creek, CA 94598-3019
Phone: (925) 941-4058
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA22499 (CA)
Physician Assistant Taxonomy 363A00000X · Licence PA195199 (OR)

Record details

NPI number1396093902
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedAugust 29, 2012
Last updated in NPPESFebruary 13, 2023
Certification dateFebruary 13, 2023

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Walnut Creek