Henning Gerke, MD
NPI 1588644207 · Gastroenterology Physician · Iowa City, IA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henning Gerke, MD is a Gastroenterology Physician provider in Iowa City, IA (NPI 1588644207).
Provider details
- NPI number
- 1588644207
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- SP161 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
576 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 124 | $138 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 74 | $224 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 62 | $74 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 59 | $99 |
| Ultrasound Guided Needle Aspiration Or Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43242 | 37 | $228 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 259 | 65 |
| Pantoprazole Sodium | 76 | 24 |
| Famotidine | 62 | 17 |
| Sucralfate | 21 | — |
| Metronidazole | 17 | 16 |
| Esomeprazole Magnesium | 15 | — |
| Linaclotidebrand: Linzess | 13 | — |
| Fluconazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-19
- Last updated
- 2021-09-02
- Certified
- 2021-09-02
Frequently asked questions
- What is Henning Gerke's NPI number?
- Henning Gerke's National Provider Identifier (NPI) is 1588644207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henning Gerke's specialty?
- Henning Gerke is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Henning Gerke located?
- Henning Gerke's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Henning Gerke's phone number?
- The practice phone number listed in the NPPES registry for Henning Gerke is (319) 356-4901.
- Does Henning Gerke accept Medicare?
- Henning Gerke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Henning Gerke's NPI active?
- Yes — Henning Gerke's NPI (1588644207) is active in the NPPES registry as of the last update on 2021-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.