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

Mr. William Silas Nichols, NP

Individual provider Family Nurse Practitioner · NPI 1326664145

Mr. William Silas Nichols, NP is a Nurse Practitioner in San Francisco, California. Qualified in 2020, 6 years ago. Practices with Carbon Health Medical Group of California PC, a 332-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
6
Licensed in
CA
In the registry since
2020
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2238 Geary Blvd
San Francisco, CA 94115-3416
Phone: (415) 833-2200
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence NP95017184 (CA)

Record details

NPI number1326664145
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorYes
NPI enumeratedJune 17, 2020
Last updated in NPPESMarch 3, 2022
Certification dateMarch 3, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Carbon Health Medical Group Of California Pc — 332 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in San Francisco