Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Physician Assistant

Thomas Hernandez, PA

Works at hospitals in Greenbrae, CA · Novato, CA · Sonoma, CA · California

Summary

Thomas Hernandez, PA (Physician Assistant) is listed by Medicare at 3 hospitals in Greenbrae, CA, Novato, CA and Sonoma, CA. NPI 1225659006. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas Hernandez, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
5Years since medical school (graduated 2021)
Oregon Health Sciences University School Of MedicineMedical school
MaleGender (as listed)
Regents Univ of California UCSFGroup practice

Quick answers

Which hospitals does Thomas Hernandez work at?
Medicare's official clinician data lists Thomas Hernandez at 3 hospitals: Marinhealth Medical Center, Novato Community Hospital and Sonoma Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas Hernandez see patients?
Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
What is Thomas Hernandez's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Thomas Hernandez accept Medicare assignment?
Medicare's clinician data says Thomas Hernandez may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Thomas Hernandez offer telehealth?
Medicare's clinician data says Thomas Hernandez offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Thomas Hernandez?
(415) 476-1000, as listed in official Medicare / NPI Registry data.
What is Thomas Hernandez's NPI number?
1225659006. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas Hernandez works

Medicare's Facility Affiliation Data lists Thomas Hernandez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Thomas Hernandez is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas Hernandez as a member of this group (CMS data updated 2026-10-02).

  • Regents Univ of California UCSF283 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

All physician assistants in San Francisco →

Clinician information

CredentialPA
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year2021
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225659006
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians