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

Mr. William Henry Guo, PA-C

Individual provider Physician Assistant · NPI 1538873195

Mr. William Henry Guo, PA-C is a Physician Assistant in Mission Hills, California. Graduated from Duke University School of Medicine in 2022, 4 years ago. Practices with Providence Medical Institute, a 336-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
4
Trained at
Duke University School of Medicine
Licensed in
CA
In the registry since
2023
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

11550 Indian Hills Rd Ste 261
Mission Hills, CA 91345-1244
Phone: (818) 361-0917
Fax: (818) 361-1606
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 15031 Rinaldi St, Mission Hills, CA 91345-1207 — (818) 365-8051

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence PA62102 (CA)
Physician Assistant Taxonomy 363A00000X · Licence PA62102 (CA)

Record details

NPI number1538873195
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJanuary 9, 2023
Last updated in NPPESOctober 17, 2025
Certification dateOctober 17, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice Providence Medical Institute — 336 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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