Doctor profile · Federal record

Dr. Alexander Chiang, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Santa Monica, CA

  • NPI 1083931521
  • Accepts Medicare
  • MIPS 77.3 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1245 16Th St, 202
Santa Monica, CA 904041235
(310) 301-8707
Mailing address
5767 W Century Blvd, Suite 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
February 13, 2015
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A120316

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083931521. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
2
Medicare allowed
$3,979
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 20 15 $100
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 14 12 $141

In context: peer comparison

Among 14 peers in this city , average services per provider: 36. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,093
Transactions
10
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 9 $3,970.72
Astellas Pharma US Inc 1 $122.05

By nature of payment

Education
$3,750
Food and Beverage
$343

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
0
Total drug cost
$3,082
Drug Type Claims Patients Total cost
Estradiol Generic 15 0 $3,082

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Chiang's medical specialty?
Dr. Alexander Chiang practices Obstetrics & Gynecology Physician in Santa Monica, CA.
Where does Dr. Alexander Chiang practice?
Dr. Alexander Chiang practices at 1245 16Th St, Santa Monica, CA 904041235. Office phone: 3103018707.
What is Dr. Alexander Chiang's NPI?
Dr. Alexander Chiang's National Provider Identifier (NPI) is 1083931521, issued by NPPES.
Does Dr. Alexander Chiang accept Medicare assignment?
Yes. Dr. Alexander Chiang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Chiang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830). Source: CMS Medicare Physician & Other Practitioners file.