Ellen Yukiko Hayashi, D.D.S.
Periodontics · Redondo Beach, CA
Ellen Yukiko Hayashi, D.D.S. is a periodontics with a practice address in Redondo Beach, California, and NPI 1841407772, issued on May 17, 2007. Check the license (California 33699, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ellen Yukiko Hayashi
- Credential
- D.D.S.
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 33699 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1921 S Catalina Ave, Redondo Beach, CA 90277
- Phone
- (310) 375-8012
- Enumerated
- May 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1921 S Catalina Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Hoopes, DDSGeneral Practice Dentistry1699808170
- Keith Komatsu, D.D.S.Endodontics1366659104
- Timothy McAllister, D.D.S.General Practice Dentistry1609886225
- Craig Woods, D.D.S.Dentist1588864508
Verify Ellen Yukiko Hayashi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33699Check 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 periodontics in 2024
16 Medicare Part D claims for 12 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% 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.
Periodontics providers in California
There are 929 periodontics records in California.
Other periodontics records in California
- Bruce Abe, D.D.S.San Diego, CA1235104688
- Kenneth Abe, DDSLos Altos, CA1912039967
- Michael Abelson, D.D.S.,M.S.Valencia, CA1225235617
- Marwa Abulhasan, DMD, MS, MMMLos Angeles, CA1932453198
- Sonali Acharya, BDS, MDS, DMDSanta Rosa, CA1396418604
- Christopher Acone, DDSTorrance, CA1659576551
- Mustafa AdamiRedlands, CA1750739983
- Thomas Adamich, DDSHuntington Beach, CA1063579670
- Bijan Afar, DDSLos Angeles, CA1700954385
- Caitlyn Affrunti, D.D.S., M.S.Redlands, CA1316316938
Common questions
What is Ellen Yukiko Hayashi, D.D.S.'s NPI number?
Ellen Yukiko Hayashi, D.D.S.'s National Provider Identifier (NPI) is 1841407772, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Yukiko Hayashi, D.D.S. located?
The NPPES record lists a practice address at 1921 S Catalina Ave, Redondo Beach, CA, 90277. Phone: (310) 375-8012. Providers update this record themselves, so call before visiting.
How can I verify Ellen Yukiko Hayashi, D.D.S.'s license?
NPPES lists California license number 33699, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ellen Yukiko Hayashi, D.D.S. prescribe under Medicare Part D?
In 2024, Ellen Yukiko Hayashi, D.D.S. had 16 Medicare Part D claims for 12 beneficiaries; the average among periodontics 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.