Owen Nishikawa, MD
NPI 1053471797 · Family Medicine Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Owen Nishikawa, MD is a Family Medicine Physician provider in Honolulu, HI (NPI 1053471797).
Provider details
- NPI number
- 1053471797
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD 11702 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
937 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 485 | $133 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 206 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 113 | $90 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 73 | $78 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 29 | $197 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 678 | 209 |
| Rosuvastatin Calcium | 204 | 57 |
| Losartan Potassium | 171 | 51 |
| Amlodipine Besylate | 154 | 46 |
| Olmesartan Medoxomil | 142 | 45 |
| Metoprolol Succinate | 122 | 36 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$613 across 31 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Owen Nishikawa's NPI number?
- Owen Nishikawa's National Provider Identifier (NPI) is 1053471797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Owen Nishikawa's specialty?
- Owen Nishikawa is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Owen Nishikawa located?
- Owen Nishikawa's practice location on file with NPPES is 321 N Kuakini Street, Honolulu, HI 96817.
- What is Owen Nishikawa's phone number?
- The practice phone number listed in the NPPES registry for Owen Nishikawa is (808) 536-5383.
- Does Owen Nishikawa accept Medicare?
- Owen Nishikawa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Owen Nishikawa's NPI active?
- Yes — Owen Nishikawa's NPI (1053471797) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.