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Cardiovascular Disease (Cardiology)

Christopher Chen, MD

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

Summary

Christopher Chen, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Martinez, CA, Concord, CA and Walnut Creek, CA and other places. NPI 1356704407. 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 Christopher Chen, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
University Of Maryland School Of MedicineMedical school
MaleGender (as listed)
John Muir Physician NetworkGroup practice

Quick answers

Which hospitals does Christopher Chen work at?
Medicare's official clinician data lists Christopher Chen at 5 hospitals: Contra Costa Regional Medical Center, John Muir Medical Center - Concord Campus, John Muir Medical Center - Walnut Creek Campus, Sutter Delta Medical Center and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christopher Chen see patients?
Medicare's clinician data lists 2 practice locations, including Concord, CA. Call before your visit to confirm the address.
What is Christopher Chen's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Christopher Chen accept Medicare assignment?
Yes. Medicare's clinician data says Christopher Chen 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 Christopher Chen offer telehealth?
Medicare's clinician data says Christopher Chen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Christopher Chen?
(925) 671-0610, as listed in official Medicare / NPI Registry data.
What is Christopher Chen's NPI number?
1356704407. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christopher Chen works

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

Group practices

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

  • John Muir Physician Network494 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in California

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

All cardiologists in California →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1356704407
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