Merrie Oshiro
NPI 1265084255 · Hospitalist Physician · Ewa Beach, HI
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Merrie Oshiro is a Hospitalist Physician provider in Ewa Beach, HI (NPI 1265084255).
Provider details
- NPI number
- 1265084255
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 8631 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
387 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 50 Minutes99233 | 279 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 63 | $112 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 27 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 18 | $170 |
Typical Medicare-allowed amounts for these services range $77–$170 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 32 | 32 |
| Cefdinir | 23 | 23 |
| Oxycodone Hcl | 22 | 22 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 21 |
| Prednisone | 19 | 19 |
| Doxycycline Hyclate | 13 | 13 |
| Apixabanbrand: Eliquis | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-07-10
- Last updated
- 2022-07-25
- Certified
- 2022-07-25
Frequently asked questions
- What is Merrie Oshiro's NPI number?
- Merrie Oshiro's National Provider Identifier (NPI) is 1265084255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merrie Oshiro's specialty?
- Merrie Oshiro is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Merrie Oshiro located?
- Merrie Oshiro's practice location on file with NPPES is 91-2141 Fort Weaver Rd, Ewa Beach, HI 96706-1993.
- What is Merrie Oshiro's phone number?
- The practice phone number listed in the NPPES registry for Merrie Oshiro is (808) 691-3000.
- Does Merrie Oshiro accept Medicare?
- Merrie Oshiro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Merrie Oshiro's NPI active?
- Yes — Merrie Oshiro's NPI (1265084255) is active in the NPPES registry as of the last update on 2022-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.