Doctor profile · Federal record

Dr. Nina Hwang, MD

Pediatrics Physician (CMS: Pediatric Medicine) · Pediatric Hematology & Oncology Physician · Orange, CA

  • NPI 1427286343
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 South Parker Street, Suite 1000
Orange, CA 92868
(714) 221-1200
fax (714) 221-1299

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
August 2, 2024
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
208000000X — NUCC code
State license (1)
California #A107879
Medicaid
CA #1427286343

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427286343. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21,385
Transactions
51
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 14 $10,391.32
Hema Biologics, LLC 12 $5,978.60
Octapharma USA, INC. 9 $4,354.39
Novo Nordisk INC 3 $161.02
Genentech, INC. 2 $159.95
BioMarin Pharmaceutical INC. 1 $81.73
Vertex Pharmaceuticals Incorporated 3 $80.43
Genentech USA, INC. 2 $60.21
Pfizer INC. 2 $42.46
Alexion Pharmaceuticals, INC. 1 $30.96
Agios Pharmaceuticals, INC. 1 $24.50
Csl Behring 1 $19.71

By nature of payment

Consulting Fee
$13,525
Travel and Lodging
$3,668
Honoraria
$2,400
Food and Beverage
$1,792

Frequently asked questions

Auto-generated from federal data
What is Dr. Nina Hwang's medical specialty?
Dr. Nina Hwang practices Pediatrics Physician in Orange, CA.
Where does Dr. Nina Hwang practice?
Dr. Nina Hwang practices at 701 South Parker Street, Orange, CA 92868. Office phone: 7142211200.
What is Dr. Nina Hwang's NPI?
Dr. Nina Hwang's National Provider Identifier (NPI) is 1427286343, issued by NPPES.
Does Dr. Nina Hwang accept Medicare assignment?
Yes. Dr. Nina Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.