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Internal Medicine

Jerry L. Chien, MD

Works at hospitals in Tracy, CA · California

Summary

Dr. Jerry L. Chien, MD is an internal medicine doctor at 730 N Central Ave, Tracy, CA 95376. Phone: (209) 850-4000. Accepts Medicare assignment. NPI 1154391241. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 730 N Central Ave, Tracy, CA 95376 · Directions
  • Phone: (209) 850‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Sutter Tracy Community Hospital
  • Group practice: Community Medical Centers, Inc.
  • Medical school: University Of Pittsburgh School Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jerry L. Chien, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jerry L. Chien accept Medicare assignment?
Yes. Medicare's clinician data says Jerry L. Chien accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Jerry L. Chien's NPI number?
1154391241. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jerry L. Chien works

Medicare's Facility Affiliation Data lists Jerry L. Chien at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jerry L. Chien is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jerry L. Chien as a member of this group (CMS data updated October 2, 2026).

  • Community Medical Centers, Inc.47 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Tracy

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

All internal medicine doctors in Tracy →

Other clinicians in Community Medical Centers, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154391241
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians