Doctor profile · Federal record
Dr. May Chan, O.D.
Optometrist (CMS: Optometry) · Ventura, CA
- NPI 1891179545
- Accepts Medicare
- 11 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
200 S Wells RD, Suite 200
Ventura, CA 930041377
(805) 659-1740
Credentials & registration
- NPI registered
- July 2015 — 11 yrs on file
- Profile last updated
- July 17, 2015
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #15355TLG
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891179545. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
133
Distinct HCPCS
2
Medicare allowed
$14,701
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 93 | 69 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 40 | 34 | $139 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 71. This provider delivers 1.9× the peer median.Open Payments
Industry payments received
All-time total
$674
Transactions
24
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Harrow Eye, LLC | 2 | $140.87 | |
| Mallinckrodt Hospital Products Inc. | 3 | $98.68 | |
| Oyster Point Pharma, Inc. | 3 | $66.95 | |
| ABBVIE INC. | 2 | $65.18 | |
| RxSight Inc | 3 | $60.46 | |
| Bausch & Lomb Americas Inc. | 3 | $59.71 | |
| Dompe US, Inc. | 2 | $55.22 | |
| Thea Pharma Inc. | 2 | $46.11 | |
| Alcon Vision LLC | 2 | $45.83 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 1 | $18.04 | |
| Tarsus Pharmaceuticals, Inc. | 1 | $17.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$14,773
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Restasis (Cyclosporine) | Brand | 11 | 0 | $14,773 |
Frequently asked questions
What is Dr. May Chan's medical specialty?
Dr. May Chan practices Optometrist in Ventura, CA.
Where does Dr. May Chan practice?
Dr. May Chan practices at 200 S Wells RD, Ventura, CA 930041377. Office phone: 8056591740.
What is Dr. May Chan's NPI?
Dr. May Chan's National Provider Identifier (NPI) is 1891179545, issued by NPPES.
Does Dr. May Chan accept Medicare assignment?
Yes. Dr. May Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. May Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.