Leticia Castillo Kontak, MD
NPI 1891994968ActiveIndividual· Internal Medicine, Cardiovascular Disease· Round Rock, TX
Internal Medicine, Cardiovascular Disease (MD) in Round Rock, Texas, trained at Harvard Medical School (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $644,471 for 3,321 claims, against $92,601 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 3 companies reporting payments in 2025, $4,643 in all, mostly travel and lodging.
Overview
| NPI | 1891994968 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 17, 2007 |
| Last updated in NPPES | Jan 14, 2021 |
| Certified by provider | Jan 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | N2980 | TX |
| Internal Medicine | 207R00000X | 256955 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,366 |
|---|---|
| Services billed | 2,666 across 38 procedure codes |
| Paid by Medicare | $92,601 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,321 · 8,612 30-day fills |
|---|---|
| Patients | 804 |
| Total drug cost | $644,471 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Scott and White ClinicCollege Station, TX · 2,461 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center - Round RockRound Rock, TX
- Baylor Scott & White Medical Center - TempleTemple, TX
- Baylor Scott & White Medical Center -TaylorTaylor, TX
- Baylor Scott & White Medical Center PflugervillePflugerville, TX
Industry payments (Open Payments)
- 2025$4,643 · 30 payments from 3 companies
- 2024$770.77 · 15 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $4,551 | 25 |
| Abbott Laboratories | $74.11 | 4 |
| Boston Scientific Corporation | $17.56 | 1 |
What the 2025 payments were for
- Travel and Lodging$2,972 · 8 payments
- Food and Beverage$1,671 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 cardiologists in Round Rock · All cardiologists in Texas