Doctor profile · Federal record
Dr. Kaiyun Mai, O.D.
Optometrist (CMS: Optometry) · Castro Valley, CA
- NPI 1730436643
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3550 Castro Valley Blvd
Castro Valley, CA 945464402
(510) 581-1680 - Mailing address
-
14603 Merced St
San Leandro, CA 945791058
Credentials & registration
- NPI registered
- August 2012 — 14 yrs on file
- Profile last updated
- June 11, 2023
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #14443
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1730436643. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Johnson & Johnson Vision Care, INC. | 1 | $15.03 |
By nature of payment
Frequently asked questions
What is Dr. Kaiyun Mai's medical specialty?
Dr. Kaiyun Mai practices Optometrist in Castro Valley, CA.
Where does Dr. Kaiyun Mai practice?
Dr. Kaiyun Mai practices at 3550 Castro Valley Blvd, Castro Valley, CA 945464402. Office phone: 5105811680.
What is Dr. Kaiyun Mai's NPI?
Dr. Kaiyun Mai's National Provider Identifier (NPI) is 1730436643, issued by NPPES.
Does Dr. Kaiyun Mai accept Medicare assignment?
Yes. Dr. Kaiyun Mai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.