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Internal Medicine

Ali Jamshidi, MD

Works at hospitals in Pasadena, CA · California

Summary

Ali Jamshidi, MD (Internal Medicine) is listed by Medicare at 1 hospital in Pasadena, CA. NPI 1154438372. 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 Ali Jamshidi, 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
29Years since medical school (graduated 1997)
MaleGender (as listed)
Southern California Hospitalist Network Medical Group IncGroup practice

Quick answers

Which hospitals does Ali Jamshidi work at?
Medicare's official clinician data lists Ali Jamshidi at 1 hospital: Huntington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ali Jamshidi see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is Ali Jamshidi's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Ali Jamshidi accept Medicare assignment?
Yes. Medicare's clinician data says Ali Jamshidi 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 Ali Jamshidi?
(714) 202-2330, as listed in official Medicare / NPI Registry data.
What is Ali Jamshidi's NPI number?
1154438372. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ali Jamshidi works

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

Group practices

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

  • Southern California Hospitalist Network Medical Group Inc77 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Orange

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

All internal medicine doctors in Orange →

Clinician information

CredentialMD
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154438372
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