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

Cardiovascular Disease (Cardiology)

Jason Liu, MD

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

Summary

Jason Liu, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Concord, CA and Walnut Creek, CA. NPI 1770945909. 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 Jason Liu, 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)
MaleGender (as listed)
John Muir Physician NetworkGroup practice

Quick answers

Which hospitals does Jason Liu work at?
Medicare's official clinician data lists Jason Liu 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 Jason Liu see patients?
Medicare's clinician data lists 2 practice locations, including Walnut Creek, CA and Berkeley, CA. Call before your visit to confirm the address.
What is Jason Liu's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Jason Liu accept Medicare assignment?
Yes. Medicare's clinician data says Jason Liu 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 Jason Liu offer telehealth?
Medicare's clinician data says Jason Liu offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jason Liu?
(925) 937-1770, as listed in official Medicare / NPI Registry data.
What is Jason Liu's NPI number?
1770945909. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jason Liu works

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

Group practices

Medicare enrollment lists Jason Liu 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 Walnut Creek

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

All cardiologists in Walnut Creek →

Clinician information

CredentialMD
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770945909
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