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Internal Medicine

Shirin Alonzo, MD

Sees patients in Beverly Hills, CA · California

Summary

Shirin Alonzo, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Beverly Hills, CA. NPI 1225318041. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Shirin Alonzo, 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
16Years since medical school (graduated 2010)
University Of California, San Diego School Of MedicineMedical school
FemaleGender (as listed)
Cedars-Sinai Medical Care FoundationGroup practice

Quick answers

Where does Shirin Alonzo see patients?
Medicare's clinician data lists 1 practice location in Beverly Hills, CA. Call before your visit to confirm the address.
What is Shirin Alonzo's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
Does Shirin Alonzo accept Medicare assignment?
Yes. Medicare's clinician data says Shirin Alonzo 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 Shirin Alonzo offer telehealth?
Medicare's clinician data says Shirin Alonzo offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Shirin Alonzo?
(310) 248-7188, as listed in official Medicare / NPI Registry data.
What is Shirin Alonzo's NPI number?
1225318041. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Shirin Alonzo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Cedars-Sinai Medical Care Foundation1,692 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Beverly Hills

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

All internal medicine doctors in Beverly Hills →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225318041
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians