What is David Haller's specialty?

David Haller (NPI 1548214463) is a Medicare-billing provider whose primary specialty is Gastroenterology in Fond Du Lac, WI.

Where does David Haller practice?

David Haller practices in Fond Du Lac, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1548214463.

How much does Medicare pay David Haller?

David Haller (NPI 1548214463) received approximately $18K in total Medicare Part B payments, serving 109 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548214463

David HallerMD

PRACTICEAGNESIAN HEALTHCARE INCSee all providers at this practice →

GastroenterologyFond Du Lac, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

162

Unique beneficiaries

—

Total services

178

Distinct HCPCS

Medicare payment

$13K

Peer benchmark

Total Medicare services vs. 249 Gastroenterology providers in WI — bottom quintile (cohort median 484).

PRESCRIBING · PART D · 2024

Total Rx claims

1,421

Beneficiaries

—

Total drug cost

$60K

Distinct drugs

Brand share

19.4%

Top prescribed drugs

Pantoprazole Sodium408 claims

Sucralfate181 claims

Omeprazole150 claims

Lansoprazole108 claims

Ondansetron Hcl90 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$120

Payment records

By payment type

Food and Beverage$120

Top paying entities

Food and Beverage$120

REFERRAL NETWORK

Where David Haller'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Meghan Hanson Diagnostic Radiology · Green Bay, WI	55	167
HOLZMAN, PAUL	36	83
Charles Dais Pathology · Green Bay, WI	34	73
H Matthews Hematology-Oncology · Sheboygan, WI	30	276
Louie Coulis Cardiology · Sheboygan, WI	28	90
Robert Murphy Pathology · Green Bay, WI	25	59
MATOUSEK, JAN	23	92
MARSHO, PATRICK	23	118
Francisco Soto Pulmonary Disease · Knoxville, TN	20	110
Timothy Enright Diagnostic Radiology · Mequon, WI	19	46
HENDRICKS, MARK	19	46
Orange Cross Ambulance Inc Ambulance Service Provider · Sheboygan, WI	15	39

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