Eric Kajioka, M.D.
NPI 1679784904 · Internal Medicine Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Kajioka, M.D. is a Internal Medicine Physician provider in Honolulu, HI (NPI 1679784904).
Provider details
- NPI number
- 1679784904
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14299 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,629 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 674 | $81 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 224 | $177 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 223 | $123 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 196 | $136 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 148 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ertapenem Sodiumbrand: Ertapenem | 103 | 29 |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 91 | 22 |
| Meropenem | 41 | — |
| Daptomycin | 37 | — |
| Amikacin Sulfate | 34 | — |
| Imipenem/Cilastatin Sodiumbrand: Imipenem-Cilastatin Sodium | 33 | — |
| Doxycycline Hyclate | 27 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-25
- Last updated
- 2017-04-28
Frequently asked questions
- What is Eric Kajioka's NPI number?
- Eric Kajioka's National Provider Identifier (NPI) is 1679784904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Kajioka's specialty?
- Eric Kajioka is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Kajioka located?
- Eric Kajioka's practice location on file with NPPES is 500 Ala Moana Blvd, Honolulu, HI 96813-4920.
- What is Eric Kajioka's phone number?
- The practice phone number listed in the NPPES registry for Eric Kajioka is (808) 531-7111.
- Does Eric Kajioka accept Medicare?
- Eric Kajioka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Kajioka's NPI active?
- Yes — Eric Kajioka's NPI (1679784904) is active in the NPPES registry as of the last update on 2017-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.