Doctor profile · Federal record

Dr. Thomas Wagner, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Internal Medicine Physician · Milwaukee, WI

  • NPI 1861841488
  • Accepts Medicare
  • MIPS 79.6 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-2901
Additional location
5841 S Maryland Ave Ste Mc7082
Chicago, IL 606371465
(773) 702-6840
fax (773) 702-2230

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
November 20, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Wisconsin #70438-20 · Illinois #125.068981

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861841488. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
738
Distinct HCPCS
10
Medicare allowed
$83,737
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 149 81 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 97 77 $120
45380 Biopsy of large bowel using a flexible endoscope 84 84 $101
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 82 79 $87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 80 77 $122
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 70 69 $232
99213 Established patient office or other outpatient visit, 20-29 minutes 65 48 $85
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $153
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 19 18 $97
99202 New patient office or other outpatient visit, 15-29 minutes 18 18 $68

In context: peer comparison

Among 35 peers in this city , average services per provider: 2,725. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
800
Patients
470
Total drug cost
$63,157
Drug Type Claims Patients Total cost
Omeprazole Generic 169 68 $4,660
Metoclopramide Hcl Generic 138 130 $175
Pantoprazole Sodium Generic 100 55 $2,294
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 89 87 $1,498
Dicyclomine Hcl Generic 78 37 $1,852
Famotidine Generic 52 23 $1,396
Linzess (Linaclotide) Brand 52 14 $29,808
Sucralfate Generic 21 18 $1,728
Budesonide Dr (Budesonide) Brand 17 11 $4,474
Mesalamine Generic 17 0 $11,704

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Wagner's medical specialty?
Dr. Thomas Wagner practices Gastroenterology Physician in Milwaukee, WI.
Where does Dr. Thomas Wagner practice?
Dr. Thomas Wagner practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148052901.
What is Dr. Thomas Wagner's NPI?
Dr. Thomas Wagner's National Provider Identifier (NPI) is 1861841488, issued by NPPES.
Does Dr. Thomas Wagner accept Medicare assignment?
Yes. Dr. Thomas Wagner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Wagner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.