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

Carolyn SIU

Individual provider Physician Assistant · NPI 1679304448

Carolyn SIU is a Physician Assistant in San Mateo, California. Qualified in 2024, 2 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
2
Licensed in
CA
In the registry since
2024
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Practice location Address checks out

50 S San Mateo Dr Fl 4
San Mateo, CA 94401-3857
Phone: (650) 652-8500
Fax: (650) 652-8501
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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 PA65879 (CA)

Record details

NPI number1679304448
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 12, 2024
Last updated in NPPESJanuary 13, 2026
Certification dateJanuary 13, 2026
Mailing addressPo Box 276950, Sacramento, CA 95827-6950

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

Other providers in San Mateo