Oliver T. Chen, O.D.
Corneal and Contact Management Optometrist · Carlsbad, CA
Oliver T. Chen, O.D. is a corneal and contact management optometrist with a practice address in Carlsbad, California, and NPI 1245332089, issued on Sep 2, 2006. Check the license (California 12395T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Oliver T. Chen
- Credential
- O.D.
- Primary taxonomy
- Corneal and Contact Management Optometrist 152WC0802X
- License number
- 12395T CA
Self-reported in NPPES; status is on the state search - Practice location
- 1905 Calle Barcelona, Carlsbad, CA 92009
- Phone
- (760) 930-9696
- Enumerated
- Sep 2, 2006
- Record last updated
- Jul 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (760) 930-0737
- Medicare enrollment
- Enrolled (PECOS I20051207000582); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2002
- Entity
- Type 1 · individual
8 nearest corneal and contact management optometrist records → All 161 in California → Look up another NPI →
Also registered at 1905 Calle Barcelona
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Alexander, M.D.General Practice Physician1609815091
- Paul Chen, M.D.Ophthalmology Physician1760486419
Verify Oliver T. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12395TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average corneal and contact management optometrist in 2024
19 Medicare Part D claims for 16 beneficiaries, against an average of 225 among the 585 providers of this specialty who prescribed in Part D.
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: $280.30
12 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 610 providers of this specialty with any payment received $1,035.17 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.
Bills Medicare through one group practice
- North County Laser Eye Associates, ApcCarlsbad, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oliver T. Chen among 161 corneal and contact management optometrist records in California
Oliver T. Chen, O.D. is one of 161 corneal and contact management optometrist records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2002 · median 2000 among the 52 with a school on file
- Record last updated2013 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152WC0802X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Corneal and Contact Management Optometrist providers in California
There are 161 corneal and contact management optometrist records in California.
All 161 in California → Every provider in Carlsbad → Corneal and Contact Management Optometrist nationwide →
The 8 corneal and contact management optometrist records with the nearest ZIP codes
- Bill Codner, O.D.Encinitas, CA 920241245299338
- W. Joseph Garvin, ODEscondido, CA 920251538270434
- Gordon Wong, ODLa Jolla, CA 920371447338447
- Tawny Fanning, O.D.Camp Pendleton, CA 920551598928715
- Randall Conrad, O.D.Poway, CA 920641962617464
- Leslie Chen, O.D.San Diego, CA 921051508953332
- John Clark, ODChula Vista, CA 919101285782375
- Henry Kikunaga, O.D.Bonita, CA 919021841406394
Common questions
What is Oliver T. Chen, O.D.'s NPI number?
Oliver T. Chen, O.D.'s National Provider Identifier (NPI) is 1245332089, issued on Sep 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oliver T. Chen, O.D. located?
The NPPES record lists a practice address at 1905 Calle Barcelona, Carlsbad, CA, 92009. Phone: (760) 930-9696. Providers update this record themselves, so call before visiting.
How can I verify Oliver T. Chen, O.D.'s license?
NPPES lists California license number 12395T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Oliver T. Chen, O.D. prescribe under Medicare Part D?
In 2024, Oliver T. Chen, O.D. had 19 Medicare Part D claims for 16 beneficiaries; the average among corneal and contact management optometrist prescribers was 225. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.