Doctor profile · Federal record

Dr. Andrew Chao, M.D.

Maternal & Fetal Medicine Physician · Specialist · Stockton, CA

  • NPI 1972578896
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1617 N California St, Ste. 2D
Stockton, CA 952046117
(209) 933-9888
fax (209) 933-9988
Mailing address
P.O. Box 967
Lodi, CA 952410967

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
January 28, 2015
Specialty taxonomy
207VM0101X — NUCC code
State license (1)
California #G46081
Medicaid
CA #00G460810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972578896. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$147
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $125.00
PFIZER INC. 1 $21.57

By nature of payment

Food and Beverage
$147

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Chao's medical specialty?
Dr. Andrew Chao practices Maternal & Fetal Medicine Physician in Stockton, CA.
Where does Dr. Andrew Chao practice?
Dr. Andrew Chao practices at 1617 N California St, Stockton, CA 952046117. Office phone: 2099339888.
What is Dr. Andrew Chao's NPI?
Dr. Andrew Chao's National Provider Identifier (NPI) is 1972578896, issued by NPPES.