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Internal Medicine

Reza Bashtar, MD

Works at hospitals in Modesto, CA · San Jose, CA · California

Summary

Reza Bashtar, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Modesto, CA and San Jose, CA. NPI 1285868729. 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 Reza Bashtar, 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
22Years since medical school (graduated 2004)
MaleGender (as listed)
County of Santa ClaraGroup practice (+1 more)

Quick answers

Which hospitals does Reza Bashtar work at?
Medicare's official clinician data lists Reza Bashtar at 2 hospitals: Doctors Medical Center and Santa Clara Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Reza Bashtar see patients?
Medicare's clinician data lists 3 practice locations, including Modesto, CA, San Jose, CA and Turlock, CA. Call before your visit to confirm the address.
What is Reza Bashtar's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Reza Bashtar accept Medicare assignment?
Yes. Medicare's clinician data says Reza Bashtar 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 Reza Bashtar?
(209) 576-3525, as listed in official Medicare / NPI Registry data.
What is Reza Bashtar's NPI number?
1285868729. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Reza Bashtar works

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

Group practices

Medicare enrollment lists Reza Bashtar as a member of these groups (CMS data updated 2026-10-02).

  • County of Santa Clara1,022 clinicians in the group
  • Hospitalists of Modesto Medical Group Inc85 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Modesto

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

All internal medicine doctors in Modesto →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285868729
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