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Dermatology

Timothy M. Baker, MD

Sees patients in San Rafael, CA · California

Summary

Timothy M. Baker, MD (Dermatology) is enrolled with Medicare at 1 practice location in San Rafael, CA. NPI 1598843245. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Timothy M. Baker, 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

DermatologyPrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
St. Louis College Of Physicians And SurgeonsMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Timothy M. Baker see patients?
Medicare's clinician data lists 1 practice location in San Rafael, CA. Call before your visit to confirm the address.
What is Timothy M. Baker's specialty?
Medicare lists Dermatology as the primary specialty.
Does Timothy M. Baker accept Medicare assignment?
Yes. Medicare's clinician data says Timothy M. Baker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Timothy M. Baker?
(415) 444-2000, as listed in official Medicare / NPI Registry data.
What is Timothy M. Baker's NPI number?
1598843245. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Timothy M. Baker is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Timothy M. Baker as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in San Rafael

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

All dermatologists in San Rafael →

Clinician information

CredentialMD
Medical schoolSt. Louis College Of Physicians And Surgeons
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598843245
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians