Blake C. Ishikawa, D.D.S.
Dentist · Honolulu, HI
Blake C. Ishikawa, D.D.S. is a dentist with a practice address in Honolulu, Hawaii, and NPI 1558676767, issued on Aug 11, 2010. Check the license (Hawaii DT 2409, as entered in NPPES) with the Hawaii board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Blake C. Ishikawa
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- DT 2409 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1401 S Beretania St Ste 480, Honolulu, HI 96814
- Phone
- (808) 597-1221
- Enumerated
- Aug 11, 2010
- Record last updated
- Sep 7, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 420 in Hawaii → Look up another NPI →
Verify Blake C. Ishikawa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
Search for license DT 2409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average dentist in 2024
103 Medicare Part D claims for 74 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.
Most prescribed
- Amoxicillin44 claims
- Ibuprofen30 claims
- Chlorhexidine Gluconate14 claims
- Acetaminophen-Codeine11 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: $240.94
8 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
Blake C. Ishikawa among 420 dentist records in Hawaii
Blake C. Ishikawa, D.D.S. is one of 420 dentist records with a practice address in Hawaii. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 56% of them.
- NPI issued2010 · 56% of these records are older, 42% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2012 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Hawaii
There are 420 dentist records in Hawaii.
All 420 in Hawaii → Every provider in Honolulu → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- David Chen, DDSHonolulu, HI 968141912016957
- Dino Dee, DDSHonolulu, HI 968141427119288
- Declan Devereux, DDSHonolulu, HI 968141043321201
- Craig Haga, DDSHonolulu, HI 968141275623332
- Nina HayashiHonolulu, HI 968141093817959
- Wayne Hirota, DDSHonolulu, HI 968141881780781
- Tzu-Lan Kuo, DMDHonolulu, HI 968141881703825
- John Kurahara, DDSHonolulu, HI 968141356424519
Common questions
What is Blake C. Ishikawa, D.D.S.'s NPI number?
Blake C. Ishikawa, D.D.S.'s National Provider Identifier (NPI) is 1558676767, issued on Aug 11, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Blake C. Ishikawa, D.D.S. located?
The NPPES record lists a practice address at 1401 S Beretania St Ste 480, Honolulu, HI, 96814. Phone: (808) 597-1221. Providers update this record themselves, so call before visiting.
How can I verify Blake C. Ishikawa, D.D.S.'s license?
NPPES lists Hawaii license number DT 2409, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.
How much does Blake C. Ishikawa, D.D.S. prescribe under Medicare Part D?
In 2024, Blake C. Ishikawa, D.D.S. had 103 Medicare Part D claims for 74 beneficiaries; the average among dentist prescribers was 86. 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.