Stuart Kiyomi Hiroyasu, OD
Optometrist · Bishop, CA
Stuart Kiyomi Hiroyasu, OD is an optometrist with a practice address in Bishop, California, and NPI 1336266238, issued on Mar 23, 2007. Check the license (California OPT10203T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stuart Kiyomi Hiroyasu
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT10203T CA
Self-reported in NPPES; status is on the state search - Practice location
- 459 W Line St, Bishop, CA 93514
- Phone
- (760) 873-3611
- Enumerated
- Mar 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (760) 873-3612
- Medicaid ID
- SD0102030 CA
- Medicare enrollment
- Enrolled (PECOS I20130305000331); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1993
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 459 W Line St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dayna StimsonFamily Medicine Physician1699335547
Verify Stuart Kiyomi Hiroyasu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT10203TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average optometrist in 2024
412 Medicare Part D claims for 82 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Latanoprost177 claims
- Timolol Maleate56 claims
- Dorzolamide Hcl23 claims
- Valacyclovir15 claims
- Prednisolone Acetate14 claims
- Dorzolamide-Timolol12 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.
Bills Medicare through one group practice
- Toiyabe Indian Health Project IncBishop, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stuart Kiyomi Hiroyasu among 8,308 optometrist records in California
Stuart Kiyomi Hiroyasu, OD 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1993 · median 2008 among the 3,573 with a school on file
- Record last updated2007 · 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).
6 optometrist records list a practice address in Bishop
They are 6 of the 336 NPPES records with a practice address in Bishop, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Bishop → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Fred Carter, ODBishop, CA 935141063571966
- Matthew Earhart, O.D., MED.Bishop, CA 935141831397801
- Eric Richman, ODBishop, CA 935141063574044
- Joseph Ridenour, ODBishop, CA 935141811576192
- Susana Tang, ODBishop, CA 935141255059861
- Richard Baird, O.DEdwards Afb, CA 935241710186135
- Stephen Byrnes, O.D.Edwards Afb, CA 935241356313589
- Robert Carlsen, O.D.Edwards Afb, CA 935241447527734
Common questions
What is Stuart Kiyomi Hiroyasu, OD's NPI number?
Stuart Kiyomi Hiroyasu, OD's National Provider Identifier (NPI) is 1336266238, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stuart Kiyomi Hiroyasu, OD located?
The NPPES record lists a practice address at 459 W Line St, Bishop, CA, 93514. Phone: (760) 873-3611. Providers update this record themselves, so call before visiting.
How can I verify Stuart Kiyomi Hiroyasu, OD's license?
NPPES lists California license number OPT10203T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stuart Kiyomi Hiroyasu, OD prescribe under Medicare Part D?
In 2024, Stuart Kiyomi Hiroyasu, OD had 412 Medicare Part D claims for 82 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.