NPPES file of Aug 9, 2026

Christine Chiyeko Ishikawa, O.D.

Optometrist · Honolulu, HI

Christine Chiyeko Ishikawa, O.D. is an optometrist with a practice address in Honolulu, Hawaii, and NPI 1689822793, issued on Sep 3, 2008. Check the license (Hawaii 624, as entered in NPPES) with the Hawaii board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689822793
Name
Christine Chiyeko Ishikawa
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
624 HI
Self-reported in NPPES; status is on the state search
Practice location
333 Keahole St Bldg A, Honolulu, HI 96825
Phone
(808) 395-6578
Enumerated
Sep 3, 2008
Record last updated
Apr 7, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20051011000333); accepts Medicare assignment
Medical or professional school
New England College Of Optometry, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 333 Keahole St Bldg A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dee Anne AbePharmacist1295000800
  2. Danny Cheung, RPHPharmacist1912267733
  3. Alyssa FurukawaPharmacist1225012404
  4. Lori Ikeda, PHARM.D.Pharmacist1124394838
  5. Kimberly Kahahawai, PHARM.D.Pharmacist1194032839

Verify Christine Chiyeko Ishikawa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
    Search for license 624
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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75% fewer Medicare Part D claims than the average optometrist in 2024

69 Medicare Part D claims for 32 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.

  1. Christine Ishikawa69
  2. Specialty average277

Most prescribed

  1. Latanoprost29 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: $211.37

5 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christine Ishikawa$211.37
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Drs. Kubo And Sato, Optometrists, Inc.Honolulu, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Optometrist providers in Hawaii

There are 353 optometrist records in Hawaii.

Other optometrist records in Hawaii

  1. Yelissa Abbasi, O.D.Kapolei, HI1467870527
  2. Derrick Abe, O.D.Honolulu, HI1184676264
  3. Kellie AbeKailua Kona, HI1598242984
  4. Joseph Ahlborn, O.D.Tripler Amc, HI1124366687
  5. Renee Allison, O.D.Honolulu, HI1184810558
  6. Calvin Alonzo, O.D.Honolulu, HI1033291968
  7. Amanda Antonino, O.D.Kapaa, HI1093070674
  8. David AnzaiKahului, HI1548323298
  9. Lizette Aquino-Bautista, ODWaipahu, HI1659065456
  10. Linda Arakaki, O.D.Waipahu, HI1699823815

Common questions

What is Christine Chiyeko Ishikawa, O.D.'s NPI number?

Christine Chiyeko Ishikawa, O.D.'s National Provider Identifier (NPI) is 1689822793, issued on Sep 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Christine Chiyeko Ishikawa, O.D. located?

The NPPES record lists a practice address at 333 Keahole St Bldg A, Honolulu, HI, 96825. Phone: (808) 395-6578. Providers update this record themselves, so call before visiting.

How can I verify Christine Chiyeko Ishikawa, O.D.'s license?

NPPES lists Hawaii license number 624, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.

How much does Christine Chiyeko Ishikawa, O.D. prescribe under Medicare Part D?

In 2024, Christine Chiyeko Ishikawa, O.D. had 69 Medicare Part D claims for 32 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.