William Hayakawa, D.D.S.
General Practice Dentistry · Hilo, HI
William Hayakawa, D.D.S. is a general practice dentistry with a practice address in Hilo, Hawaii, and NPI 1225330889, issued on Dec 2, 2010. Check the license (Hawaii 841, as entered in NPPES) with the Hawaii board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Hayakawa
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 841 HI
Self-reported in NPPES; status is on the state search - Practice location
- 275 Ponahawai St, Hilo, HI 96720
- Phone
- (808) 935-6605
- Enumerated
- Dec 2, 2010
- Record last updated
- Dec 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (808) 934-8736
- Medicaid ID
- 06673601 HI
- Entity
- Type 1 · individual
Also registered at 275 Ponahawai St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Atebara, DDSGeneral Practice Dentistry1629227566
- Robert Atebara, DMDPeriodontics1740256023
- Darrett Choy, M.D.Pediatrics Physician1770783375
- Ammon Kau, DDSDentist1497028138
- Mark Koizumi, D.D.S.General Practice Dentistry1366797425
- Ruth Ohata, D.M.D.Pediatric Dentistry1780719500
Verify William Hayakawa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
Search for license 841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43 general practice dentistry records list a practice address in Hilo
They are 43 of the 1,758 NPPES records with a practice address in Hilo, and 692 general practice dentistry records in Hawaii. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 43 in Hilo → All 692 in Hawaii → Every provider in Hilo →
Other general practice dentistry records in Hawaii
- Dana Adachi, DDSHonolulu, HI1245799642
- Gerald Adachi, DMDHonolulu, HI1609082221
- Maria Adora, DMDHonolulu, HI1447482633
- Kern Agader, D.M.D.Kapolei, HI1831246610
- Stewart Ahn, DDSMililani, HI1619939725
- Edmund Akioka, DDSHonokaa, HI1295892545
- Edward Akioka, DDSHonokaa, HI1487492856
- Jason Ako, D.D.S.Honolulu, HI1013930452
- Genara Alcantra, DMDKapolei, HI1598896987
- Terry Allen, DDSLihue, HI1407909401
Common questions
What is William Hayakawa, D.D.S.'s NPI number?
William Hayakawa, D.D.S.'s National Provider Identifier (NPI) is 1225330889, issued on Dec 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Hayakawa, D.D.S. located?
The NPPES record lists a practice address at 275 Ponahawai St, Hilo, HI, 96720. Phone: (808) 935-6605. Providers update this record themselves, so call before visiting.
How can I verify William Hayakawa, D.D.S.'s license?
NPPES lists Hawaii license number 841, as entered by the provider. Search the Hawaii 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.