What is John Hahn's specialty?

John Hahn (NPI 1538272091) is a Medicare-billing provider whose primary specialty is Gastroenterology in Bayonne, NJ.

Where does John Hahn practice?

John Hahn practices in Bayonne, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1538272091.

How much does Medicare pay John Hahn?

John Hahn (NPI 1538272091) received approximately $53K in total Medicare Part B payments, serving 324 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1538272091

John HahnM.D.

GastroenterologyBayonne, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

488

Unique beneficiaries

—

Total services

557

Distinct HCPCS

Medicare payment

$50K

Peer benchmark

Total Medicare services vs. 544 Gastroenterology providers in NJ — below median (cohort median 963).

PRESCRIBING · PART D · 2024

Total Rx claims

958

Beneficiaries

—

Total drug cost

$448K

Distinct drugs

Brand share

20.7%

Top prescribed drugs

Omeprazole423 claims

Mesalamine77 claims

Linaclotide77 claims

Pantoprazole Sodium70 claims

Esomeprazole Magnesium58 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$514

Payment records

By payment type

Food and Beverage$514

Top paying entities

Food and Beverage$514

REFERRAL NETWORK

Where John Hahn'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). 41 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Edward Fobben Diagnostic Radiology · Chatham, NJ	106	243
Mccabe Ambulance Service Inc. Ambulance Service Provider · Bayonne, NJ	45	57
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	44	83
Howard Kessler Diagnostic Radiology · Meadowbrook, PA	40	63
Robin Kyin Anesthesiology · Hoboken, NJ	37	87
James Hefferan Cardiology · Bayonne, NJ	37	48
Accu Reference Medical Lab, Llc Clinical Laboratory · Linden, NJ	36	101
Peter Wong Interventional Cardiology · Jersey City, NJ	33	54
Faisal Shah Diagnostic Radiology · Williamsville, NY	28	44
Jack Boghossian Infectious Disease · Bayonne, NJ	25	40
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	24	58
James Pritsiolas Nephrology · Florham Park, NJ	24	66

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