Katsuya Andrew Iizuka, M.D.
Family Medicine Physician · Kailua, HI
Katsuya Andrew Iizuka, M.D. is a family medicine physician with a practice address in Kailua, Hawaii, and NPI 1710040977, issued on Dec 19, 2006. Check the license (Hawaii MD-16520, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katsuya Andrew Iizuka
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD-16520 HI
Self-reported in NPPES; status is on the state search - Practice location
- 602 Kailua RD, Kailua, HI 96734
- Phone
- (808) 263-9100
- Enumerated
- Dec 19, 2006
- Record last updated
- Mar 23, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (808) 263-9120
- Medicare enrollment
- Enrolled (PECOS I20120907000348); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Also registered at 602 Kailua RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Aoki, M.D.Family Medicine Physician1912076902
- Jill Dietmeyer, DPTPhysical Therapist1013260876
- Dale Glenn, M.D.Family Medicine Physician1962591552
- Julie Lee, D.P.T.Physical Therapist1437425170
- Marti Taba, M.D.Family Medicine Physician1902975683
- Jessica Valant, MSPTPhysical Therapist1891820247
Verify Katsuya Andrew Iizuka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-16520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family medicine physician in 2024
2,864 Medicare Part D claims for 385 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 63 claims were for opioids.
Most prescribed
- Atorvastatin Calcium280 claims
- Losartan Potassium167 claims
- Amlodipine Besylate103 claims
- Lisinopril102 claims
- Ozempic97 claims
- Fluticasone Propionate83 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.
One hospital affiliation
- Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Katsuya Andrew Iizuka among 730 family medicine physician records in Hawaii
Katsuya Andrew Iizuka, M.D. is one of 730 family medicine physician records with a practice address in Hawaii. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2005 · median 2006 among the 383 with a school on file
- Record last updated2017 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 family medicine physician records list a practice address in Kailua
They are 30 of the 1,421 NPPES records with a practice address in Kailua, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Kailua → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Aoki, M.D.Kailua, HI 967341912076902
- Shaun Berry, MDKailua, HI 967341497725683
- Patricia Borman, MDKailua, HI 967341699859314
- John Bossian, DOPearl Harbor, HI 967341881651271
- Allan Chun, DOSKailua, HI 967341750481560
- Mark Ferri, DOKailua, HI 967341811088065
- Dale Glenn, M.D.Kailua, HI 967341962591552
- Amy Kogut, MDKailua, HI 967341497855191
Common questions
What is Katsuya Andrew Iizuka, M.D.'s NPI number?
Katsuya Andrew Iizuka, M.D.'s National Provider Identifier (NPI) is 1710040977, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katsuya Andrew Iizuka, M.D. located?
The NPPES record lists a practice address at 602 Kailua RD, Kailua, HI, 96734. Phone: (808) 263-9100. Providers update this record themselves, so call before visiting.
How can I verify Katsuya Andrew Iizuka, M.D.'s license?
NPPES lists Hawaii license number MD-16520, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katsuya Andrew Iizuka, M.D. prescribe under Medicare Part D?
In 2024, Katsuya Andrew Iizuka, M.D. had 2,864 Medicare Part D claims for 385 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.