What is Andrew Chun's specialty?

Andrew Chun (NPI 1255370300) is a Medicare-billing provider whose primary specialty is Gastroenterology in Cincinnati, OH.

Where does Andrew Chun practice?

Andrew Chun practices in Cincinnati, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1255370300.

How much does Medicare pay Andrew Chun?

Andrew Chun (NPI 1255370300) received approximately $139K in total Medicare Part B payments, serving 292 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1255370300

Andrew ChunMD

PRACTICEGCGA PHYSICIANS INC.See all providers at this practice →

GastroenterologyCincinnati, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

399

Unique beneficiaries

—

Total services

481

Distinct HCPCS

Medicare payment

$44K

Peer benchmark

Total Medicare services vs. 553 Gastroenterology providers in OH — top quintile (cohort median 554).

PRESCRIBING · PART D · 2024

Total Rx claims

1,267

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

33.1%

Top prescribed drugs

Omeprazole289 claims

Dicyclomine Hcl135 claims

Amitriptyline Hcl78 claims

Pantoprazole Sodium78 claims

Sodium, Potassium,mag Sulfates72 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Andrew Chun'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). 15 inbound referrers · 28 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BETHESDA HOSPITAL INC	93	244
TRIHEALTH HOSPITAL , INC	91	195
Andrew Sun Internal Medicine · Cincinnati, OH	31	88
MCCONNELL, CHARLES	21	41
Charles Herfel Diagnostic Radiology · Cincinnati, OH	20	38
George Mutema Pathology · Cincinnati, OH	19	43
Maziar Arya Cardiology · Cincinnati, OH	18	34
Elias Castilla Pathology · Cincinnati, OH	16	37
Michael Kreeger Diagnostic Radiology · Cincinnati, OH	16	29
James Schafer Diagnostic Radiology · Cincinnati, OH	15	23
Angela Beckes Diagnostic Radiology · Cincinnati, OH	13	30
James Meranus Diagnostic Radiology · Cincinnati, OH	13	23

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
THE GOOD SAMARITAN HOSPITAL OF CINCINNATI, OHIO	172	543
BETHESDA HOSPITAL INC	75	224
Pamela Sequeira Pathology · Cincinnati, OH	39	88
TRIHEALTH HOSPITAL , INC	24	29
David Huelsman Diagnostic Radiology · Cincinnati, OH	22	40
MICKELSON, JUDITH	21	44
Maziar Arya Cardiology · Cincinnati, OH	21	45
BILLS, GORDON	19	39
Matthew Bramlage Pathology · Cincinnati, OH	19	42
PATIENT TRANSPORT SERVICES INC.	17	23
MILLER, TIMOTHY	16	27
Galen Chun Diagnostic Radiology · Cincinnati, OH	15	38

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