What is Oscar Dellinger's specialty?

Oscar Dellinger (NPI 1770682874) is a Medicare-billing provider whose primary specialty is Internal Medicine in Honolulu, HI.

Where does Oscar Dellinger practice?

Oscar Dellinger practices in Honolulu, HI, based on the location reported in the CMS Medicare provider datasets for NPI 1770682874.

How much does Medicare pay Oscar Dellinger?

Oscar Dellinger (NPI 1770682874) received approximately $533K in total Medicare Part B payments, serving 652 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1770682874

Oscar DellingerM.D.

Internal MedicineHonolulu, HII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,905

Unique beneficiaries

—

Total services

8,311

Distinct HCPCS

Medicare payment

$529K

Peer benchmark

Total Medicare services vs. 453 Internal Medicine providers in HI — top quintile (cohort median 450).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Oscar Dellinger's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. FRANCIS COMMUNITY HEALTH SERVICES	261	826
THE QUEEN'S MEDICAL CENTER	54	87
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	24	71
KUAKINI MEDICAL CENTER	16	21
International Life Support Inc Ambulance Service Provider · Aiea, HI	15	26
James Sheperd Diagnostic Radiology · Honolulu, HI	14	24
KAISER FOUNDATION HOSPITALS	14	27
PALI MOMI MEDICAL CENTER	12	21
Clinical Laboratories Of Hawaii Llp Clinical Laboratory · Ewa Beach, HI	11	29

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events