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

Obstetrics/Gynecology

Yaron Friedman, MD

Works at hospitals in Concord, CA · Walnut Creek, CA · California

Summary

Yaron Friedman, MD (Obstetrics/Gynecology) is listed by Medicare at 2 hospitals in Concord, CA and Walnut Creek, CA. NPI 1730104704. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Yaron Friedman, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
MaleGender (as listed)

Quick answers

Which hospitals does Yaron Friedman work at?
Medicare's official clinician data lists Yaron Friedman at 2 hospitals: John Muir Medical Center - Concord Campus and John Muir Medical Center - Walnut Creek Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Yaron Friedman see patients?
Medicare's clinician data lists 1 practice location in Walnut Creek, CA. Call before your visit to confirm the address.
What is Yaron Friedman's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Yaron Friedman accept Medicare assignment?
Yes. Medicare's clinician data says Yaron Friedman 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 Yaron Friedman?
(925) 301-9875, as listed in official Medicare / NPI Registry data.
What is Yaron Friedman's NPI number?
1730104704. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Yaron Friedman works

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

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Walnut Creek

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

All OB-GYNs in Walnut Creek →

Clinician information

CredentialMD
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730104704
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