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

Individual provider Physician Assistant · NPI 1356781579

Kathryn Christen Siems, PA is a Physician Assistant in Austin, Texas. Graduated from Baylor College of Medicine in 2007, 19 years ago. Practices with Austin Regional Clinic PA, a 397-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
19
Trained at
Baylor College of Medicine
Licensed in
TX
In the registry since
2013
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

1807 W Slaughter Ln Ste 490
Austin, TX 78748-6237
Phone: (512) 282-8967
Fax: (512) 406-7351
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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 PA05678 (TX)

Record details

NPI number1356781579
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedJuly 2, 2013
Last updated in NPPESSeptember 24, 2021
Certification dateSeptember 24, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Austin Regional Clinic Pa — 397 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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