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

Mrs. Hilary Johnston, PA-C, MMS

Individual provider Medical Physician Assistant · NPI 1649626177

Mrs. Hilary Johnston, PA-C, MMS is a Physician Assistant in San Bruno, California. Qualified in 2016, 10 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

801 Traeger Ave Ste 310
San Bruno, CA 94066-3048
Phone: (650) 742-5969
Fax: (650) 742-7116
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 53387 (CA)

Record details

NPI number1649626177
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C , MMS
Sole proprietorNo
NPI enumeratedMay 13, 2016
Last updated in NPPESJanuary 3, 2022
Certification dateNovember 11, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare