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Pediatric Medicine

Alex Katz, MD

Sees patients in Orange, CA · California

Summary

Alex Katz, MD (Pediatric Medicine) is enrolled with Medicare at 1 practice location in Orange, CA. NPI 1124474655. 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 Alex Katz, 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

Pediatric MedicinePrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
University Of Southern California Keck School Of MedicineMedical school
MaleGender (as listed)
Childrens Hospital of Orange CountyGroup practice

Quick answers

Where does Alex Katz see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is Alex Katz's specialty?
Medicare lists Pediatric Medicine as the primary specialty.
Does Alex Katz accept Medicare assignment?
Yes. Medicare's clinician data says Alex Katz 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 Alex Katz?
(888) 770-2462, as listed in official Medicare / NPI Registry data.
What is Alex Katz's NPI number?
1124474655. 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 Alex Katz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Childrens Hospital of Orange County73 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in California →

Other pediatricians in Orange

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

All pediatricians in Orange →

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124474655
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