Doctor profile · Federal record

Dr. Eric Gaumnitz, MD

Gastroenterology Physician (CMS: Gastroenterology) · Madison, WI

  • NPI 1356318943
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
451 Junction RD
Madison, WI 537172656
(608) 263-8094
fax (608) 263-8474
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 14, 2021
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #33630

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356318943. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
321
Distinct HCPCS
9
Medicare allowed
$38,832
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 80 80 $119
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 64 60 $96
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 41 41 $232
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 40 33 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 38 33 $60
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 17 17 $102
91010 Study of esophagus to assess movement 14 14 $61
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $91
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 13 13 $161

In context: peer comparison

Among 20 peers in this city , average services per provider: 38. This provider delivers 8.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
400
Patients
224
Total drug cost
$99,419
Drug Type Claims Patients Total cost
Omeprazole Generic 133 53 $2,022
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 129 121 $2,630
Famotidine Generic 47 19 $950
Pantoprazole Sodium Generic 31 14 $845
Diltiazem 24hr Er (Cd) (Diltiazem Hcl) Brand 17 0 $563
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 17 17 $373
Prochlorperazine Maleate Generic 14 0 $58
Dupixent Pen (Dupilumab) Brand 12 0 $91,977

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Gaumnitz's medical specialty?
Dr. Eric Gaumnitz practices Gastroenterology Physician in Madison, WI.
Where does Dr. Eric Gaumnitz practice?
Dr. Eric Gaumnitz practices at 451 Junction RD, Madison, WI 537172656. Office phone: 6082638094.
What is Dr. Eric Gaumnitz's NPI?
Dr. Eric Gaumnitz's National Provider Identifier (NPI) is 1356318943, issued by NPPES.
Does Dr. Eric Gaumnitz accept Medicare assignment?
Yes. Dr. Eric Gaumnitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Gaumnitz commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.