Kumar Venkatachalam, MD
NPI 1154325421ActiveIndividual· Internal Medicine, Gastroenterology· Merrillville, IN
Internal Medicine, Gastroenterology (MD) in Merrillville, Indiana, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $987,597 for 3,844 claims, against $167,328 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $2,193 in all, mostly food and beverage.
Overview
| NPI | 1154325421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2005 |
| Last updated in NPPES | May 6, 2020 |
| Certified by provider | May 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 01048257A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,074 |
|---|---|
| Services billed | 1,969 across 46 procedure codes |
| Paid by Medicare | $167,328 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,844 · 6,835 30-day fills |
|---|---|
| Patients | 1,215 |
| Total drug cost | $987,597 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Community Care Network IncMunster, IN · 379 clinicians
Hospital affiliations
- Community HospitalMunster, IN
- Methodist Hospitals IncGary, IN
- St Catherine Hospital IncEast Chicago, IN
- St Mary Medical Center IncHobart, IN
Other facilities
- Powers Health Rehabilitation CenterInpatient rehabilitation facility · Crown Point, IN
Industry payments (Open Payments)
- 2025$2,193 · 124 payments from 20 companies
- 2024$1,580 · 89 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $445.04 | 27 |
| Takeda Pharmaceuticals U.S.A., Inc. | $262.70 | 13 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $216.10 | 20 |
| Janssen Biotech, Inc. | $177.67 | 12 |
| Madrigal Pharmaceuticals | $177.52 | 7 |
What the 2025 payments were for
- Food and Beverage$2,184 · 123 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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