Doctor profile · Federal record

Dr. Daniel Geenen, M.D.

Gastroenterology Physician · Milwaukee, WI

  • NPI 1144297508
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 532153689
(414) 908-6615
fax (414) 385-2980

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
October 25, 2020
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #31528-020
Medicaid
WI #32000300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144297508. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
185
Distinct HCPCS
8
Medicare allowed
$21,400
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 41 40 $86
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 25 $71
45380 Biopsy of large bowel using a flexible endoscope 29 29 $135
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 19 19 $114
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 18 $116
99214 Established patient office or other outpatient visit, 30-39 minutes 15 15 $122
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 14 14 $162
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 13 13 $234

In context: peer comparison

Among 35 peers in this city , average services per provider: 2,725. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,149
Patients
401
Total drug cost
$125,715
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 304 107 $5,554
Omeprazole Generic 191 58 $3,864
Dicyclomine Hcl Generic 107 29 $2,817
Esomeprazole Magnesium Generic 80 22 $4,575
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 75 72 $5,731
Famotidine Generic 63 18 $1,514
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 58 55 $984
Balsalazide Disodium Generic 50 13 $12,846
Mesalamine Generic 48 14 $35,981
Linzess (Linaclotide) Brand 39 13 $24,720

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Geenen's medical specialty?
Dr. Daniel Geenen practices Gastroenterology Physician in Milwaukee, WI.
Where does Dr. Daniel Geenen practice?
Dr. Daniel Geenen practices at 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 532153689. Office phone: 4149086615.
What is Dr. Daniel Geenen's NPI?
Dr. Daniel Geenen's National Provider Identifier (NPI) is 1144297508, issued by NPPES.
What procedures does Dr. Daniel Geenen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.