Doctor profile · Federal record

Dr. Henning Gerke, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Iowa City, IA

  • NPI 1588644207
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Hawkins Dr
Iowa City, IA 522421009
(319) 356-4901
fax (319) 384-8559

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
September 2, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Iowa #SP161
Medicaid
IA #0439877

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588644207. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
755
Distinct HCPCS
10
Medicare allowed
$83,893
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 195 168 $5
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 132 70 $140
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 80 77 $86
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 64 63 $221
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 56 56 $108
43254 Removal of tissue lining of esophagus, stomach, and/or upper small bowel using a flexible endoscope 32 27 $246
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 30 29 $236
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 27 24 $142
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 27 27 $181
99214 Established patient office or other outpatient visit, 30-39 minutes 20 19 $91

In context: peer comparison

Among 14 peers in this city , average services per provider: 36. This provider delivers 21× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
372
Patients
136
Total drug cost
$6,680
Drug Type Claims Patients Total cost
Omeprazole Generic 178 69 $3,969
Pantoprazole Sodium Generic 85 26 $1,552
Famotidine Generic 53 14 $333
Esomeprazole Magnesium Generic 22 0 $577
Metronidazole Generic 20 13 $135
Fluconazole Generic 14 14 $113

Frequently asked questions

Auto-generated from federal data
What is Dr. Henning Gerke's medical specialty?
Dr. Henning Gerke practices Gastroenterology Physician in Iowa City, IA.
Where does Dr. Henning Gerke practice?
Dr. Henning Gerke practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193564901.
What is Dr. Henning Gerke's NPI?
Dr. Henning Gerke's National Provider Identifier (NPI) is 1588644207, issued by NPPES.
Does Dr. Henning Gerke accept Medicare assignment?
Yes. Dr. Henning Gerke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Henning Gerke commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Insertion of guide wire with dilation of esophagus using a flexible endoscope (HCPCS 43248); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.