Chrystina Yu, OD
Optometrist · Lafayette, CA
Chrystina Yu, OD is an optometrist with a practice address in Lafayette, California, and NPI 1659967685, issued on Dec 14, 2020. Check the license (California OPT34736-TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chrystina Yu
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT34736-TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 3581 Mt Diablo Blvd, Lafayette, CA 94549
- Phone
- (925) 283-8502
- Enumerated
- Dec 14, 2020
- Entity
- Type 1 · individual
Also registered at 3581 Mt Diablo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Baker, O.D.Optometrist1033245717
- Nathan Orr, O.D.Optometrist1558561183
Verify Chrystina Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT34736-TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
85% fewer Medicare Part D claims than the average optometrist in 2024
43 Medicare Part D claims for 13 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Timolol Maleate22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $139.70
7 payments, mostly food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
12 optometrist records list a Lafayette practice address
They are 12 of the 736 NPPES records with a Lafayette practice address, and 8,156 optometrist records in California.
All 12 in Lafayette → All 8,156 in California → Every provider in Lafayette →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Chrystina Yu, OD's NPI number?
Chrystina Yu, OD's National Provider Identifier (NPI) is 1659967685, issued on Dec 14, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Chrystina Yu, OD located?
The NPPES record lists a practice address at 3581 Mt Diablo Blvd, Lafayette, CA, 94549. Phone: (925) 283-8502. Providers update this record themselves, so call before visiting.
How can I verify Chrystina Yu, OD's license?
NPPES lists California license number OPT34736-TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chrystina Yu, OD prescribe under Medicare Part D?
In 2024, Chrystina Yu, OD had 43 Medicare Part D claims for 13 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.