Doctor profile · Federal record

Dr. Hannah Chang, MD

Medical Oncology Physician (CMS: Medical Oncology) · Duarte, CA

  • NPI 1811491426
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(800) 826-4673
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
August 9, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #A194498

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811491426. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$26
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $25.95

By nature of payment

Education
$26

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
0
Total drug cost
$805,811
Drug Type Claims Patients Total cost
Tasigna (Nilotinib Hcl) Brand 26 0 $527,741
Retevmo (Selpercatinib) Brand 12 0 $278,070

Frequently asked questions

Auto-generated from federal data
What is Dr. Hannah Chang's medical specialty?
Dr. Hannah Chang practices Medical Oncology Physician in Duarte, CA.
Where does Dr. Hannah Chang practice?
Dr. Hannah Chang practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 8008264673.
What is Dr. Hannah Chang's NPI?
Dr. Hannah Chang's National Provider Identifier (NPI) is 1811491426, issued by NPPES.
Does Dr. Hannah Chang accept Medicare assignment?
Yes. Dr. Hannah Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.