Karen J. Vigil, M.D.
NPI 1760795017ActiveIndividual· Internal Medicine, Infectious Disease· Houston, TX
Internal Medicine, Infectious Disease (M.D.) with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $4,614,823 for 3,225 claims, against $10,212 paid for services in 2024. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $15,360 in all, mostly speaking and faculty fees. Lists Harris Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1760795017 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 15, 2010 |
| Last updated in NPPES | Jul 15, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | N3374 | 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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 72 |
|---|---|
| Services billed | 165 across 9 procedure codes |
| Paid by Medicare | $10,212 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,225 · 4,927 30-day fills |
|---|---|
| Patients | 161 |
| Total drug cost | $4,614,823 |
| Generic share | 55% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Harris HealthHouston, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
Industry payments (Open Payments)
- 2025$15,360 · 21 payments from 2 companies
- 2024$20,787 · 46 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $15,302 | 18 |
| Merck Sharp & Dohme LLC | $57.47 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$11,540 · 6 payments
- Consulting Fee$1,750 · 1 payment
- Travel and Lodging$1,739 · 5 payments
- Food and Beverage$330.96 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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