1. Home
  2. Directory
  3. California
  4. Orange
  5. Pediatrics
  6. NPI Profile

DR. ALEX KATZ M.D.
NPI 1124474655
Pediatrics - Pediatric Pulmonology in Orange, CA

Active since May 13, 2016PECOS Enrolled
101 THE CITY DR S, ORANGE, CA 92868(714) 456-7890 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 24, 2025, Jun 15, 2023, Jan 27, 2022 and 1 more (4 updates tracked since 2016).

About Dr. Alex Katz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEX KATZ M.D. (NPI 1124474655) is an individual pediatric pulmonology provider in Orange, California, licensed in California (A150428) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of University Of Southern California Keck School Of Medicine (2016).

NPPES Registry Identity

NPI1124474655
Entity TypeIndividualMale
Primary Taxonomy2080P0214X
Provider Legal NameDR. ALEX KATZCredential: M.D.
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address1201 W La Veta AveOrange, CA 92868-4203
Phone(714) 456-7890
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2016
Enumeration DateMay 13, 2016
Last NPPES UpdateJune 24, 20254 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1124474655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
License✔ Licensed in CA · A150428
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
Also ListedInternal MedicineTaxonomy 207R00000X · License A150428 (CA)
Also ListedPediatricsTaxonomy 208000000X · License A150428 (CA)
Also ListedPediatrics · Pediatric Critical Care MedicineTaxonomy 2080P0203X · License A150428 (CA)
101 THE CITY DR S, Orange, CA 92868
Open in Google Maps ↗

Secondary Practice Location 1

Location 11201 W La Veta AveOrange, CA 92868-4203 · Phone (714) 509-8709

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alex Katz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3971010786
PECOS Enrollment IDI20250728001137
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANKIT BHUPENDRA PATEL D.O.
Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-5113
DR. LAURA CATHERINE SKOCZYLAS MD
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Orange County (714) 456-8224
MICHAEL CHENG DO
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7110
AESTHETIC AND PLASTIC SURGERY INSTITUTE
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-2986
JOSEPH VILLARREAL M.D.
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Orange County (714) 456-5239
DEMI TRAN
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Orange County (171) 456-6693
DR. ISABEL CARLTON CLARK M.D.
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7890
DYLAN LUKATO
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868
Orange County (415) 218-8041

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alex Katz's NPI number?

The NPI number for Alex Katz is 1124474655. It was assigned to this individual provider in the NPPES registry on May 13, 2016.

Where is Alex Katz located?

Alex Katz practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7890.

What is Alex Katz's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is Alex Katz enrolled in Medicare?

Yes. Alex Katz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alex Katz was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.