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Internal Medicine

Bayard W. Chang, MD

Works at hospitals in Davis, CA · Sacramento, CA · Roseville, CA · California

Summary

Bayard W. Chang, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Davis, CA, Sacramento, CA and Roseville, CA. NPI 1104816255. 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 Bayard W. Chang, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
39Years since medical school (graduated 1987)
Georgetown University School Of MedicineMedical school
MaleGender (as listed)
Marshall Medical CenterGroup practice

Quick answers

Which hospitals does Bayard W. Chang work at?
Medicare's official clinician data lists Bayard W. Chang at 3 hospitals: Sutter Davis Hospital, Sutter Medical Center, Sacramento and Sutter Roseville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Bayard W. Chang see patients?
Medicare's clinician data lists 2 practice locations, including El Dorado Hills, CA and Sacramento, CA. Call before your visit to confirm the address.
What is Bayard W. Chang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Bayard W. Chang accept Medicare assignment?
Yes. Medicare's clinician data says Bayard W. Chang 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 Bayard W. Chang offer telehealth?
Medicare's clinician data says Bayard W. Chang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Bayard W. Chang?
(916) 905-6378, as listed in official Medicare / NPI Registry data.
What is Bayard W. Chang's NPI number?
1104816255. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Bayard W. Chang works

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

Group practices

Medicare enrollment lists Bayard W. Chang as a member of this group (CMS data updated 2026-10-02).

  • Marshall Medical Center176 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in El Dorado Hills

Clinicians with the same Medicare primary specialty in El Dorado Hills, CA — not a recommendation.

All internal medicine doctors in El Dorado Hills →

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104816255
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