Doctor profile · Federal record

Dr. Esther Chung, MD

Reproductive Endocrinology Physician · Sunnyvale, CA

  • NPI 1962908855
  • 8 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1195 W Fremont Ave
Sunnyvale, CA 940873832
(919) 684-8111

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
June 1, 2023
Specialty taxonomy
207VE0102X — NUCC code
State license (1)
California #178480

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962908855. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,030
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Ferring Pharmaceuticals INC. 3 $907.25
Emd Serono, INC. 1 $122.61

By nature of payment

Travel and Lodging
$907
Food and Beverage
$123

Frequently asked questions

Auto-generated from federal data
What is Dr. Esther Chung's medical specialty?
Dr. Esther Chung practices Reproductive Endocrinology Physician in Sunnyvale, CA.
Where does Dr. Esther Chung practice?
Dr. Esther Chung practices at 1195 W Fremont Ave, Sunnyvale, CA 940873832. Office phone: 9196848111.
What is Dr. Esther Chung's NPI?
Dr. Esther Chung's National Provider Identifier (NPI) is 1962908855, issued by NPPES.