Doctor profile · Federal record
Dr. Kathy Mao, O.D.
Optometrist (CMS: Optometry) · Santa Ana, CA
- NPI 1053830158
- Accepts Medicare
- 9 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1206 E 17Th St Ste 101
Santa Ana, CA 927012641
(714) 352-2911
fax (714) 352-2903
Credentials & registration
- NPI registered
- September 2017 — 9 yrs on file
- Profile last updated
- August 21, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #OPT33828-TLG
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053830158. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$237
Transactions
10
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bausch & Lomb Americas Inc. | 4 | $81.80 | |
| Alcon Vision LLC | 3 | $75.93 | |
| Mallinckrodt Hospital Products Inc. | 1 | $35.18 | |
| Amgen Inc. | 1 | $23.45 | |
| Oyster Point Pharma, Inc. | 1 | $20.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
120
Patients
29
Total drug cost
$11,899
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 77 | 29 | $1,297 |
| Timolol Maleate | Generic | 20 | 0 | $237 |
| Brimonidine Tartrate | Generic | 12 | 0 | $81 |
| Restasis (Cyclosporine) | Brand | 11 | 0 | $10,284 |
Frequently asked questions
What is Dr. Kathy Mao's medical specialty?
Dr. Kathy Mao practices Optometrist in Santa Ana, CA.
Where does Dr. Kathy Mao practice?
Dr. Kathy Mao practices at 1206 E 17Th St Ste 101, Santa Ana, CA 927012641. Office phone: 7143522911.
What is Dr. Kathy Mao's NPI?
Dr. Kathy Mao's National Provider Identifier (NPI) is 1053830158, issued by NPPES.
Does Dr. Kathy Mao accept Medicare assignment?
Yes. Dr. Kathy Mao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.