Sudheer R. Karnati, MD
NPI 1811186596ActiveIndividual· Internal Medicine· Lufkin, TX
Internal Medicine (MD) in Lufkin, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,698,914 for 20,451 claims, against $274,804 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 10 companies reporting payments in 2025, $522.77 in all, mostly food and beverage.
Overview
| NPI | 1811186596 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 18, 2007 |
| Last updated in NPPES | Oct 22, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K6619 | TX |
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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 416 |
|---|---|
| Services billed | 7,050 across 46 procedure codes |
| Paid by Medicare | $274,804 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20,451 · 44,708 30-day fills |
|---|---|
| Patients | 845 |
| Total drug cost | $1,698,914 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Chi St Lukes Health Memorial LufkinLufkin, TX
- Woodland Heights Medical CenterLufkin, TX
Other facilities
- Accentcare Home Health of TexasHome health agency · Nacogdoches, TX
- Enhabit Home HealthHome health agency · Lufkin, TX
- Reliant at HomeHome health agency · Lufkin, TX
Industry payments (Open Payments)
- 2025$522.77 · 26 payments from 10 companies
- 2024$508.42 · 27 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $188.23 | 9 |
| Novo Nordisk Inc | $79.36 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $67.44 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $35.32 | 2 |
| Pfizer Inc. | $28.28 | 1 |
What the 2025 payments were for
- Food and Beverage$522.77 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 internal medicine physicians in Lufkin · All internal medicine physicians in Texas