Melissa Ann De Los Santos, MSN, ACNP-BC
NPI 1124329024ActiveIndividual· Nurse Practitioner, Acute Care· Irving, TX
Nurse Practitioner, Acute Care (MSN, ACNP-BC) with Healthtexas Provider Network, practicing in Irving, Texas. Their prescriptions cost Medicare Part D more than their services did: $449,207 for 879 claims, against $103,762 paid for services in 2024. Pfizer Inc. was the largest of 5 companies reporting payments in 2025, $220.82 in all, mostly food and beverage. Lists Baylor Scott & White Medical Center Grapevine and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1124329024 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, ACNP-BC |
| Sole proprietor | No |
| NPI issued | Nov 8, 2010 |
| Last updated in NPPES | May 31, 2023 |
| Certified by provider | May 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 688661 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 681 |
|---|---|
| Services billed | 2,486 across 11 procedure codes |
| Paid by Medicare | $103,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 879 · 2,185 30-day fills |
|---|---|
| Patients | 283 |
| Total drug cost | $449,207 |
| Generic share | 59% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Healthtexas Provider NetworkWaxahachie, TX · 2,697 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center GrapevineGrapevine, TX
- Baylor Scott & White the Heart Hospital PlanoPlano, TX
- The Heart Hospital Baylor DentonDenton, TX
Industry payments (Open Payments)
- 2025$220.82 · 11 payments from 5 companies
- 2024$608.62 · 24 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $65.65 | 3 |
| Kestra Medical Technology Services, Inc. | $50.90 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $47.50 | 3 |
| Boston Scientific Corporation | $37.65 | 2 |
| Medtronic, Inc. | $19.12 | 1 |
What the 2025 payments were for
- Food and Beverage$220.82 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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