PROVIDER PROFILE · NPI 1639260441

Gary AhnMD

PRACTICELONGS DRUG STORE #185See all providers at this practice →

HospitalistHonolulu, HII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

198

Unique beneficiaries

—

Total services

431

Distinct HCPCS

Medicare payment

$35K

Peer benchmark

Total Medicare services vs. 126 Hospitalist providers in HI — above median (cohort median 264).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$198

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Pantoprazole Sodium12 claims

QUALITY · MIPS · 2024

Final MIPS score

97.0

Quality

89.8

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.93%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Gary Ahn'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	214	549
THE QUEEN'S MEDICAL CENTER	119	440
Kiley Perrich Diagnostic Radiology · Honolulu, HI	17	37
Jenny Uramoto Obstetrics & Gynecology · Honolulu, HI	16	34
Ryan Matsuo Interventional Radiology · Honolulu, HI	14	27
Clayton Yamada Diagnostic Radiology · Honolulu, HI	13	35
Nathalie Sowers Podiatry · Honolulu, HI	12	34
Kristen Nagata Diagnostic Radiology · Honolulu, HI	11	19

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