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

Sydney Lynn Williams, PA-C

Individual provider Physician Assistant · NPI 1457694200

Sydney Lynn Williams, PA-C is a Physician Assistant in Walnut Creek, California. Qualified in 2012, 14 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
14
Licensed in
CA
In the registry since
2013
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

1425 S Main St # 70
Walnut Creek, CA 94596-5318
Phone: (925) 295-4060
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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 PA22870 (CA)

Record details

NPI number1457694200
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMarch 30, 2013
Last updated in NPPESJanuary 30, 2026
Certification dateJanuary 30, 2026

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 Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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