Doctor profile · Federal record

Dr. Alex Katz, M.D.

Pediatric Pulmonology Physician · Internal Medicine Physician · Pediatrics Physician · Pediatric Critical Care Medicine Physician · Orange, CA

  • NPI 1124474655
  • 10 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S
Orange, CA 928683201
(714) 456-7890
Additional location
1201 W la Veta Ave
Orange, CA 928684203
(714) 509-8709
Mailing address
1201 W la Veta Ave
Orange, CA 928684203

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
June 24, 2025
Specialty taxonomy
2080P0214X — NUCC code
State license (1)
California #A150428

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124474655. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,298
Transactions
8
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Olympus Corporation of the Americas 7 $1,239.77
Olympus America INC. 1 $58.07

By nature of payment

Travel and Lodging
$1,184
Food and Beverage
$114

Frequently asked questions

Auto-generated from federal data
What is Dr. Alex Katz's medical specialty?
Dr. Alex Katz practices Pediatric Pulmonology Physician in Orange, CA.
Where does Dr. Alex Katz practice?
Dr. Alex Katz practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144567890.
What is Dr. Alex Katz's NPI?
Dr. Alex Katz's National Provider Identifier (NPI) is 1124474655, issued by NPPES.