Doctor profile · Federal record

Dr. Matthew Caldis, M.D., M.S.

Gastroenterology Physician (CMS: Gastroenterology) · Madison, WI

  • NPI 1922461029
  • Accepts Medicare
  • MIPS 77.4 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
750 University Row
Madison, WI 537051311
(608) 890-5090
fax (608) 890-5049
Additional location
600 Highland Ave
Madison, WI 537920001
(608) 263-8094
fax (608) 263-9274
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
August 8, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #68637-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922461029. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
85
Distinct HCPCS
5
Medicare allowed
$10,581
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 25 $232
45380 Biopsy of large bowel using a flexible endoscope 24 24 $71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 13 11 $74
45380 Biopsy of large bowel using a flexible endoscope 12 12 $85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 11 11 $100

In context: peer comparison

Among 20 peers in this city , average services per provider: 38. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
33
Total drug cost
$701
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 36 33 $701

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Caldis's medical specialty?
Dr. Matthew Caldis practices Gastroenterology Physician in Madison, WI.
Where does Dr. Matthew Caldis practice?
Dr. Matthew Caldis practices at 750 University Row, Madison, WI 537051311. Office phone: 6088905090.
What is Dr. Matthew Caldis's NPI?
Dr. Matthew Caldis's National Provider Identifier (NPI) is 1922461029, issued by NPPES.
Does Dr. Matthew Caldis accept Medicare assignment?
Yes. Dr. Matthew Caldis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Caldis commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.