Doctor profile · Federal record

Dr. Peter Janu, MD

Surgery Physician (CMS: General Surgery) · Chilton, WI

  • NPI 1538154026
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
618 Memorial Dr
Chilton, WI 530141568
(920) 849-3823

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
September 2, 2008
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Wisconsin #41006
Medicaid
WI #32552000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538154026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
285
Distinct HCPCS
10
Medicare allowed
$52,992
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 73 72 $71
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 43 43 $228
99215 Established patient office or other outpatient visit, 40-54 minutes 38 37 $169
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 30 30 $138
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 17 17 $56
91040 Study of esophageal sensation by balloon distension 17 17 $46
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall 14 14 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $121
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 14 14 $162
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope 13 13 $1,502

In context: peer comparison

Among 1 peers in this city , average services per provider: 25. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16,521
Transactions
23
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Merit Medical Systems Inc 5 $6,796.34
Endogastric Solutions, Inc 5 $5,357.95
Medical Device Business Services, Inc. 6 $3,820.65
INTUITIVE SURGICAL, INC. 2 $208.32
W. L. Gore & Associates, Inc. 1 $152.25
Phathom Pharmaceuticals, Inc. 1 $96.44
Ethicon US, LLC 2 $75.32
Laborie Medical Technologies Corp. 1 $13.25

By nature of payment

Consulting Fee
$14,194
Travel and Lodging
$1,644
Food and Beverage
$682

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
163
Patients
87
Total drug cost
$2,033
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 68 66 $744
Omeprazole Generic 53 21 $870
Pantoprazole Sodium Generic 31 0 $318
Oxycodone Hcl Generic 11 0 $101

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Janu's medical specialty?
Dr. Peter Janu practices Surgery Physician in Chilton, WI.
Where does Dr. Peter Janu practice?
Dr. Peter Janu practices at 618 Memorial Dr, Chilton, WI 530141568. Office phone: 9208493823.
What is Dr. Peter Janu's NPI?
Dr. Peter Janu's National Provider Identifier (NPI) is 1538154026, issued by NPPES.
Does Dr. Peter Janu accept Medicare assignment?
Yes. Dr. Peter Janu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Janu commonly perform?
Top Medicare-reported procedures in 2023: 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.