Doctor profile · Federal record
Dr. Chrystina Yu, OD
Optometrist (CMS: Optometry) · Lafayette, CA
- NPI 1659967685
- 6 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3581 Mt Diablo Blvd
Lafayette, CA 945493891
(925) 283-8502
Credentials & registration
- NPI registered
- December 2020 — 6 yrs on file
- Profile last updated
- January 20, 2021
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #OPT34736-TLG
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659967685. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
95
Distinct HCPCS
4
Medicare allowed
$8,682
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 29 | $107 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 27 | 21 | $68 | |
92250 |
Photography of the retina | 21 | 21 | $45 | |
92014 |
Established patient complete exam of visual system | 17 | 17 | $157 |
In context: peer comparison
Among 2 peers in Lafayette Optometrist, average services per provider: 39. This provider delivers 2.4× the peer median.Open Payments
Industry payments received
All-time total
$140
Transactions
7
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Johnson & Johnson Vision Care, INC. | 6 | $123.59 | |
| Bausch & Lomb Americas INC. | 1 | $16.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$102
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Timolol Maleate | Generic | 13 | 0 | $102 |
Frequently asked questions
What is Dr. Chrystina Yu's medical specialty?
Dr. Chrystina Yu practices Optometrist in Lafayette, CA.
Where does Dr. Chrystina Yu practice?
Dr. Chrystina Yu practices at 3581 Mt Diablo Blvd, Lafayette, CA 945493891. Office phone: 9252838502.
What is Dr. Chrystina Yu's NPI?
Dr. Chrystina Yu's National Provider Identifier (NPI) is 1659967685, issued by NPPES.
Does Dr. Chrystina Yu accept Medicare assignment?
Dr. Chrystina Yu does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Chrystina Yu 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 99212); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.