Oscar Dellinger, M.D.
NPI 1770682874 · Internal Medicine Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oscar Dellinger, M.D. is a Internal Medicine Physician provider in Honolulu, HI (NPI 1770682874).
Provider details
- NPI number
- 1770682874
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 042809 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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
8,311 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) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 2,403 | $78 |
| Advance Care Planning, Each Additional 30 Minutes99498 | 1,365 | $74 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 1,101 | $31 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,075 | $122 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 560 | $81 |
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or Qualifi |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2017-03-16
Frequently asked questions
- What is Oscar Dellinger's NPI number?
- Oscar Dellinger's National Provider Identifier (NPI) is 1770682874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oscar Dellinger's specialty?
- Oscar Dellinger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oscar Dellinger located?
- Oscar Dellinger's practice location on file with NPPES is 24 Puiwa Rd, Honolulu, HI 96817-1127.
- What is Oscar Dellinger's phone number?
- The practice phone number listed in the NPPES registry for Oscar Dellinger is (808) 595-7566.
- Does Oscar Dellinger accept Medicare?
- Oscar Dellinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oscar Dellinger's NPI active?
- Yes — Oscar Dellinger's NPI (1770682874) is active in the NPPES registry as of the last update on 2017-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.