Doctor profile · Federal record

Dr. Fiona Wertheimer, D.O.

Neonatal-Perinatal Medicine Physician · Pediatrics Physician · Pediatrics Physician · Los Angeles, CA

  • NPI 1174672885
  • 19 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2020 Zonal Ave, Ird 820
Los Angeles, CA 900331019
(323) 226-3406
fax (323) 226-3440

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
June 28, 2024
Specialty taxonomy
2080N0001X — NUCC code
State licenses (3)
California #2OA10827 · California #20A10827 · Florida #OS10427
Medicaid
FL #0001049-00

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174672885. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$165
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Chiesi USA, Inc. 4 $135.57
Abbott Laboratories 1 $29.30

By nature of payment

Food and Beverage
$165

Frequently asked questions

Auto-generated from federal data
What is Dr. Fiona Wertheimer's medical specialty?
Dr. Fiona Wertheimer practices Neonatal-Perinatal Medicine Physician in Los Angeles, CA.
Where does Dr. Fiona Wertheimer practice?
Dr. Fiona Wertheimer practices at 2020 Zonal Ave, Los Angeles, CA 900331019. Office phone: 3232263406.
What is Dr. Fiona Wertheimer's NPI?
Dr. Fiona Wertheimer's National Provider Identifier (NPI) is 1174672885, issued by NPPES.