Doctor profile · Federal record
Dr. Cynthia Chao, DO A Professional Co
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics Physician · Los Alamitos, CA
- NPI 1720077274
- Accepts Medicare
- 29 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
10861 Cherry St Ste 109
Los Alamitos, CA 907205400
(562) 931-3137 - Mailing address
-
1540 W Averill Park Dr
San Pedro, CA 907323924
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- April 20, 2024
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #20A7343
- Medicaid
- CA #00AX73430
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720077274. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$122
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genzyme Corporation | 1 | $121.83 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
31
Patients
11
Total drug cost
$1,934
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Alendronate Sodium | Generic | 16 | 0 | $287 |
| Estradiol | Generic | 15 | 11 | $1,646 |
Frequently asked questions
What is Dr. Cynthia Chao's medical specialty?
Dr. Cynthia Chao practices Obstetrics & Gynecology Physician in Los Alamitos, CA.
Where does Dr. Cynthia Chao practice?
Dr. Cynthia Chao practices at 10861 Cherry St Ste 109, Los Alamitos, CA 907205400. Office phone: 5629313137.
What is Dr. Cynthia Chao's NPI?
Dr. Cynthia Chao's National Provider Identifier (NPI) is 1720077274, issued by NPPES.
Does Dr. Cynthia Chao accept Medicare assignment?
Yes. Dr. Cynthia Chao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.