Ronald Yoneo Hayashida, O.D.
Corneal and Contact Management Optometrist · Yucca Valley, CA
Ronald Yoneo Hayashida, O.D. is a corneal and contact management optometrist with a practice address in Yucca Valley, California, and NPI 1043294929, issued on Dec 3, 2005. Check the license (California OPT4574T, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald Yoneo Hayashida
- Credential
- O.D.
- Primary taxonomy
- Corneal and Contact Management Optometrist 152WC0802X
- License number
- OPT4574T CA
Self-reported in NPPES; status is on the state search - Practice location
- 56970 Yucca Trl, Yucca Valley, CA 92284
- Phone
- (760) 228-2020
- Enumerated
- Dec 3, 2005
- Record last updated
- Jun 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (760) 369-2020
- Medicaid ID
- SD0045740 CA
- Entity
- Type 1 · individual
Also registered at 56970 Yucca Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ellin Loveless, BC-HISHearing Instrument Specialist1467541532
- Dennis Lowman, O.D.Corneal and Contact Management Optometrist1134103484
- Barton Pedersen, O.D.Corneal and Contact Management Optometrist1336123686
- Esmaeil Sebti, M.D.Neurology Physician1194728881
- Russell Slaugh, O.D.Optometrist1659684751
Verify Ronald Yoneo Hayashida in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT4574TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Corneal and Contact Management Optometrist providers in California
There are 161 corneal and contact management optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other corneal and contact management optometrist records in California
- Sanaz Aboutalebi-Simon, O.D.Antioch, CA1033319215
- Michael Adey, O.D.Mountain View, CA1427108026
- Mariam Alkawally, ODBakersfield, CA1710597240
- M. Linda Arboleda, O.D.Huntington Beach, CA1073632741
- Steven Arnquist, O. D.Hemet, CA1376673889
- John Arvizu, O.D.Gilroy, CA1326195538
- Paul Atwal, PAUL ATWAL, O.D.Merced, CA1457542540
- Lilia BabakhanStevenson Ranch, CA1033636766
- Charles Bailey, O.D.Berkeley, CA1407993017
- Alisa Barnes, O.D.Los Angeles, CA1275503476
Common questions
What is Ronald Yoneo Hayashida, O.D.'s NPI number?
Ronald Yoneo Hayashida, O.D.'s National Provider Identifier (NPI) is 1043294929, issued on Dec 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Yoneo Hayashida, O.D. located?
The NPPES record lists a practice address at 56970 Yucca Trl, Yucca Valley, CA, 92284. Phone: (760) 228-2020. Providers update this record themselves, so call before visiting.
How can I verify Ronald Yoneo Hayashida, O.D.'s license?
NPPES lists California license number OPT4574T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.