Michael Richard Kostura, O.D.
Optometrist · Trabuco Canyon, CA
Michael Richard Kostura, O.D. is an optometrist with a practice address in Trabuco Canyon, California, and NPI 1700913829, issued on Feb 27, 2007. Check the license (California 12316T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Richard Kostura
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 12316T CA
Self-reported in NPPES; status is on the state search - Practice location
- 21612 Plano Trabuco RD Ste C, Trabuco Canyon, CA 92679
- Phone
- (949) 459-5687
- Enumerated
- Feb 27, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 459-5690
- Entity
- Type 1 · individual
Also registered at 21612 Plano Trabuco RD Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sonia Kostura, O.D.Optometrist1598892630
Verify Michael Richard Kostura in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12316TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average optometrist in 2024
16 Medicare Part D claims for 15 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 81% of 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: $93.22
1 payment: food and beverage; the largest payer was Glaukos Corporation. 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.
2 optometrist records list a practice address in Trabuco Canyon
They are 2 of the 221 NPPES records with a practice address in Trabuco Canyon, and 8,308 optometrist records in California.
All 2 in Trabuco Canyon → All 8,308 in California → Every provider in Trabuco Canyon →
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 Michael Richard Kostura, O.D.'s NPI number?
Michael Richard Kostura, O.D.'s National Provider Identifier (NPI) is 1700913829, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Richard Kostura, O.D. located?
The NPPES record lists a practice address at 21612 Plano Trabuco RD Ste C, Trabuco Canyon, CA, 92679. Phone: (949) 459-5687. Providers update this record themselves, so call before visiting.
How can I verify Michael Richard Kostura, O.D.'s license?
NPPES lists California license number 12316T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Richard Kostura, O.D. prescribe under Medicare Part D?
In 2024, Michael Richard Kostura, O.D. had 16 Medicare Part D claims for 15 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.