Doctor profile · Federal record

Dr. David Haller, MD

Gastroenterology Physician · Fond du LAC, WI

  • NPI 1548214463
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
420 E Division St
Fond du LAC, WI 549354560
(920) 926-8570
fax (920) 926-8923

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 2, 2020
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #43137-020
Medicaid
WI #34061900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548214463. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
385
Distinct HCPCS
8
Medicare allowed
$37,690
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 86 64 $122
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 73 36 $75
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 68 59 $45
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 44 43 $5
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 41 40 $236
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 38 32 $107
45380 Biopsy of large bowel using a flexible endoscope 22 22 $128
43245 Dilation of stomach outlet using a flexible endoscope 13 13 $143

In context: peer comparison

Among 3 peers in Fond du LAC Gastroenterology Physician, average services per provider: 42. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,460
Transactions
17
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 7 $1,289.65
Janssen Biotech, INC. 10 $170.32

By nature of payment

Food and Beverage
$752
Travel and Lodging
$628
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,356
Patients
566
Total drug cost
$48,697
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 457 140 $9,958
Sucralfate Generic 181 62 $11,217
Omeprazole Generic 178 58 $3,856
Ondansetron Hcl Generic 113 102 $273
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 110 109 $1,904
Cholestyramine (Cholestyramine (With Sugar)) Brand 68 33 $6,871
Famotidine Generic 44 19 $676
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 44 43 $1,114
Budesonide Dr (Budesonide) Brand 38 0 $5,980
Prednisone Generic 32 0 $243

Frequently asked questions

Auto-generated from federal data
What is Dr. David Haller's medical specialty?
Dr. David Haller practices Gastroenterology Physician in Fond du LAC, WI.
Where does Dr. David Haller practice?
Dr. David Haller practices at 420 E Division St, Fond du LAC, WI 549354560. Office phone: 9209268570.
What is Dr. David Haller's NPI?
Dr. David Haller's National Provider Identifier (NPI) is 1548214463, issued by NPPES.
What procedures does Dr. David Haller commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.