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

Family Practice

Madelyn Garcia, MD

Sees patients in Walnut Creek, CA · California

Summary

Madelyn Garcia, MD (Family Practice) is enrolled with Medicare at 1 practice location in Walnut Creek, CA. NPI 1003558735. 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 Madelyn Garcia, 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
YesAccepts Medicare assignment
YesOffers telehealth
4Years since medical school (graduated 2022)
FemaleGender (as listed)
One Medical Group IncGroup practice

Quick answers

Where does Madelyn Garcia see patients?
Medicare's clinician data lists 1 practice location in Walnut Creek, CA. Call before your visit to confirm the address.
What is Madelyn Garcia's specialty?
Medicare lists Family Practice as the primary specialty.
Does Madelyn Garcia accept Medicare assignment?
Yes. Medicare's clinician data says Madelyn Garcia 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.
Does Madelyn Garcia offer telehealth?
Medicare's clinician data says Madelyn Garcia offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Madelyn Garcia?
(925) 322-1840, as listed in official Medicare / NPI Registry data.
What is Madelyn Garcia's NPI number?
1003558735. 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 Madelyn Garcia is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • One Medical Group Inc331 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Walnut Creek

Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.

All family doctors in Walnut Creek →

Clinician information

CredentialMD
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1003558735
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