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

Family Practice

Thomas A. Bertolli, MD

Works at hospitals in Fort Bragg, CA · Santa Rosa, CA · California

Summary

Thomas A. Bertolli, MD (Family Practice) is listed by Medicare at 2 hospitals in Fort Bragg, CA and Santa Rosa, CA. NPI 1811089717. 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 A. Bertolli, 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

Family PracticePrimary specialty
May acceptAccepts Medicare assignment
45Years since medical school (graduated 1981)
George Washington University School Of MedicineMedical school
MaleGender (as listed)
Redwood Coast Medical Services, Inc.Group practice

Quick answers

Which hospitals does Thomas A. Bertolli work at?
Medicare's official clinician data lists Thomas A. Bertolli at 2 hospitals: Adventist Health Mendocino Coast and Providence Santa Rosa Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas A. Bertolli see patients?
Medicare's clinician data lists 1 practice location in Gualala, CA. Call before your visit to confirm the address.
What is Thomas A. Bertolli's specialty?
Medicare lists Family Practice as the primary specialty.
Does Thomas A. Bertolli accept Medicare assignment?
Medicare's clinician data says Thomas A. Bertolli may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Thomas A. Bertolli?
(707) 884-4005, as listed in official Medicare / NPI Registry data.
What is Thomas A. Bertolli's NPI number?
1811089717. 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 A. Bertolli works

Medicare's Facility Affiliation Data lists Thomas A. Bertolli 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 A. Bertolli is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Redwood Coast Medical Services, Inc.5 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All family doctors in California →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year1981
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1811089717
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