Margarita Rosendo Johnston, MD
NPI 1306897137ActiveIndividual· Urology· Ennis, TX
Urology (MD) in Ennis, Texas, licensed in TX, with an NPI issued in May 2006. Their prescriptions cost Medicare Part D more than their services did: $366,943 for 1,787 claims, against $104,596 paid for services in 2024. Medtronic, Inc. was the largest of 25 companies reporting payments in 2025, $1,675 in all, mostly food and beverage. Lists Baylor Scott & White Medical Center Plano and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1306897137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2006 |
| Last updated in NPPES | Apr 6, 2026 |
| Certified by provider | Apr 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | P0747 | 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 - Urology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 2,922 across 83 procedure codes |
| Paid by Medicare | $104,596 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,787 · 2,760 30-day fills |
|---|---|
| Patients | 492 |
| Total drug cost | $366,943 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Urology |
| Secondary specialties | General Surgery |
Hospital affiliations
- Baylor Scott & White Medical Center PlanoPlano, TX
- Baylor Scott and White Medical Center SunnyvaleSunnyvale, TX
- Medical City Dallas HospitalDallas, TX
Industry payments (Open Payments)
- 2025$1,675 · 55 payments from 25 companies
- 2024$2,059 · 57 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $378.29 | 11 |
| Janssen Biotech, Inc. | $153.45 | 5 |
| Boston Scientific Corporation | $135.24 | 3 |
| Sumitomo Pharma America, Inc. | $131.18 | 5 |
| Coloplast Corp | $117.32 | 1 |
What the 2025 payments were for
- Food and Beverage$1,377 · 52 payments
- Travel and Lodging$297.80 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records