Shashinath Katharaghatta Chandrahasegowda, MD
NPI 1235333956ActiveIndividual· Specialist· Davenport, IA
Specialist (MD) with Gastrointestinal Clinic of Quad Cities PC, practicing in Davenport, Iowa. Their prescriptions cost Medicare Part D more than their services did: $446,953 for 2,198 claims, against $166,000 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $717.94 in all, mostly food and beverage. Lists Genesis Hlth System DBA Genesis Mdl Ctr-Illini and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1235333956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2007 |
| Last updated in NPPES | Oct 29, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 37177 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IA); Practitioner - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 475 |
|---|---|
| Services billed | 4,242 across 48 procedure codes |
| Paid by Medicare | $166,000 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,198 · 3,585 30-day fills |
|---|---|
| Patients | 528 |
| Total drug cost | $446,953 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Gastrointestinal Clinic of Quad Cities PCDavenport, IA · 10 clinicians
Hospital affiliations
- Genesis Hlth System DBA Genesis Mdl Ctr-IlliniSilvis, IL
- Genesis Medical Center-DavenportDavenport, IA
- Trinity - BettendorfBettendorf, IA
- Trinity MuscatineMuscatine, IA
- Trinity Rock IslandRock Island, IL
Industry payments (Open Payments)
- 2025$717.94 · 42 payments from 13 companies
- 2024$851.33 · 48 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $235.06 | 16 |
| Takeda Pharmaceuticals U.S.A., Inc. | $160.25 | 7 |
| Phathom Pharmaceuticals, Inc. | $59.17 | 5 |
| Genzyme Corporation | $42.24 | 2 |
| Janssen Biotech, Inc. | $36.45 | 2 |
What the 2025 payments were for
- Food and Beverage$717.94 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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