Eric H.n. Kajioka, M.D.
Internal Medicine Physician · Honolulu, HI
Eric H.n. Kajioka, M.D. is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1679784904, issued on May 25, 2007. Check the license (Hawaii 14299, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Eric H.n. Kajioka
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14299 HI
Self-reported in NPPES; status is on the state search - Practice location
- 500 Ala Moana Blvd, Honolulu, HI 96813
- Phone
- (808) 531-7111
- Enumerated
- May 25, 2007
- Record last updated
- Apr 28, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091109000507); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →
Also registered at 500 Ala Moana Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kirsten Bennett, CNS, APRN, MSN, RNNephrology Registered Nurse1235441395
- Patrick Bertulfo, FNP-BCFamily Nurse Practitioner1710673728
- Eleanor BiacanBehavior Technician1629702410
- Aulii BibbMental Health Counselor1861643736
- Robert Blair, DDSOral and Maxillofacial Surgery (Dentist)1043367642
- Weilin Bono, DDSDentist1437206026
Verify Eric H.n. Kajioka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 14299Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
615 Medicare Part D claims for 132 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Ertapenem103 claims
- Ceftriaxone91 claims
- Meropenem41 claims
- Daptomycin37 claims
- Amikacin Sulfate34 claims
- Imipenem-Cilastatin Sodium33 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.
The MIPS final score for 2023 (Medicare payment program): 95 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Eric H.n. Kajioka among 902 internal medicine physician records in Hawaii
Eric H.n. Kajioka, M.D. is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 43% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2000 · median 2001 among the 491 with a school on file
- Record last updated2017 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
579 internal medicine physician records list a practice address in Honolulu
They are 579 of the 12,408 NPPES records with a practice address in Honolulu, and 902 internal medicine physician records in Hawaii.
All 902 in Hawaii → Every provider in Honolulu → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Justin Barratt, M.D.Honolulu, HI 968131861481574
- Dee-Ann Carpenter, MDHonolulu, HI 968131720080799
- Bo-Yin ChangHonolulu, HI 968131356314777
- Cleland Child, M.D.Honolulu, HI 968131548242076
- Dominic Chow, M.D.Honolulu, HI 968131063464972
- Michael Dung, MDHonolulu, HI 968131811963986
- Theodore Harada, MDHonolulu, HI 968131558324988
- Janet Kao, M.D.Honolulu, HI 968131467459131
Common questions
What is Eric H.n. Kajioka, M.D.'s NPI number?
Eric H.n. Kajioka, M.D.'s National Provider Identifier (NPI) is 1679784904, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Eric H.n. Kajioka, M.D. located?
The NPPES record lists a practice address at 500 Ala Moana Blvd, Honolulu, HI, 96813. Phone: (808) 531-7111. Providers update this record themselves, so call before visiting.
How can I verify Eric H.n. Kajioka, M.D.'s license?
NPPES lists Hawaii license number 14299, 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 Eric H.n. Kajioka, M.D. prescribe under Medicare Part D?
In 2024, Eric H.n. Kajioka, M.D. had 615 Medicare Part D claims for 132 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Eric H.n. Kajioka, M.D.'s MIPS final score?
The 2023 MIPS final score is 95 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.