Michael V. Karing, M.D.
NPI 1356346746ActiveIndividual· Internal Medicine· Euless, TX
Internal Medicine (M.D.) in Euless, Texas, trained at University of Texas Medical Branch at Galveston (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $538,267 for 4,089 claims, against $52,800 paid for services in 2024. Lilly USA, LLC was the largest of 22 companies reporting payments in 2025, $1,754 in all, mostly food and beverage.
Overview
| NPI | 1356346746 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 14, 2005 |
| Last updated in NPPES | Mar 11, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | F39528 | 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 | 174 |
|---|---|
| Services billed | 1,971 across 54 procedure codes |
| Paid by Medicare | $52,800 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,089 · 8,822 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $538,267 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Catalyst Physician Group - Ntx, PLLCMansfield, TX · 86 clinicians
Industry payments (Open Payments)
- 2025$1,754 · 91 payments from 22 companies
- 2024$1,999 · 119 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $188.29 | 5 |
| Glaxosmithkline, LLC. | $177.74 | 8 |
| Astrazeneca Pharmaceuticals LP | $148.12 | 11 |
| Bayer Healthcare Pharmaceuticals Inc. | $143.84 | 8 |
| Abbvie Inc. | $141.03 | 10 |
What the 2025 payments were for
- Food and Beverage$1,754 · 91 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 internal medicine physicians in Euless · All internal medicine physicians in Texas