Jason R. Greiner, O.D.
Optometrist · Yorba Linda, CA
Jason R. Greiner, O.D. is an optometrist with a practice address in Yorba Linda, California, and NPI 1417210493, issued on Jun 24, 2012. Check the license (California 14396, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason R. Greiner
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 14396 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4945 Yorba Ranch RD Ste E, Yorba Linda, CA 92887
- Phone
- (714) 692-2063
- Enumerated
- Jun 24, 2012
- Record last updated
- Jun 24, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121116000322); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2012
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Jason R. Greiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 14396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average optometrist in 2024
223 Medicare Part D claims for 93 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost58 claims
- Dorzolamide Hcl19 claims
- Dorzolamide-Timolol17 claims
- Prednisolone Acetate16 claims
- Timolol Maleate13 claims
- Tobramycin-Dexamethasone13 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: $112.40
5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 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
- Clarity Eye GroupHuntington Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason R. Greiner among 8,308 optometrist records in California
Jason R. Greiner, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.
- NPI issued2012 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2012 · median 2008 among the 3,573 with a school on file
- Record last updated2012 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 optometrist records list a practice address in Yorba Linda
They are 17 of the 748 NPPES records with a practice address in Yorba Linda, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Yorba Linda → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Po-Yi Lee, O.D.Yorba Linda, CA 928871639537897
- Khin Oo, O.DYorba Linda, CA 928871760687396
- John Spaeth, O.D.Yorba Linda, CA 928871033114814
- Charles Bittel, ODYorba Linda, CA 928861023043197
- Stephanie Cheung, O.D.Yorba Linda, CA 928861962872259
- Olivia Honda, ODYorba Linda, CA 928861942854328
- Rachel Kim, ODYorba Linda, CA 928861730708447
- Katherine Kim, O.D.Yorba Linda, CA 928861114033206
Common questions
What is Jason R. Greiner, O.D.'s NPI number?
Jason R. Greiner, O.D.'s National Provider Identifier (NPI) is 1417210493, issued on Jun 24, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Jason R. Greiner, O.D. located?
The NPPES record lists a practice address at 4945 Yorba Ranch RD Ste E, Yorba Linda, CA, 92887. Phone: (714) 692-2063. Providers update this record themselves, so call before visiting.
How can I verify Jason R. Greiner, O.D.'s license?
NPPES lists California license number 14396, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jason R. Greiner, O.D. prescribe under Medicare Part D?
In 2024, Jason R. Greiner, O.D. had 223 Medicare Part D claims for 93 beneficiaries; the average among optometrist prescribers was 277. 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.