Doctor profile · Federal record

Dr. Leann Williams, MD

Pediatrics Physician · Ladera Ranch, CA

  • NPI 1437451499
  • 16 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 Corporate Dr Ste 110
Ladera Ranch, CA 926942107
(949) 328-1837
fax (949) 328-1838

Credentials & registration

NPPES · NUCC
NPI registered
November 2010 — 16 yrs on file
Profile last updated
March 27, 2025
Specialty taxonomy
208000000X — NUCC code
State license (1)
California #A114783

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437451499. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$222
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Corium, LLC 3 $74.73
Merck Sharp & Dohme LLC 3 $51.36
Sanofi-Aventis U.S. LLC 2 $44.37
Pfizer INC. 1 $27.44
Sanofi Pasteur INC. 1 $24.26

By nature of payment

Food and Beverage
$222

Frequently asked questions

Auto-generated from federal data
What is Dr. Leann Williams's medical specialty?
Dr. Leann Williams practices Pediatrics Physician in Ladera Ranch, CA.
Where does Dr. Leann Williams practice?
Dr. Leann Williams practices at 600 Corporate Dr Ste 110, Ladera Ranch, CA 926942107. Office phone: 9493281837.
What is Dr. Leann Williams's NPI?
Dr. Leann Williams's National Provider Identifier (NPI) is 1437451499, issued by NPPES.