Diana Nanayakkara, ACNP
NPI 1710022819ActiveIndividual· Nurse Practitioner, Acute Care· Plano, TX
Nurse Practitioner, Acute Care (ACNP) with Healthtexas Provider Network, practicing in Plano, Texas. Their prescriptions cost Medicare Part D more than their services did: $374,048 for 2,065 claims, against $85,008 paid for services in 2024. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $1,962 in all, mostly food and beverage. Lists Baylor Scott & White Medical Center Plano and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1710022819 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNP |
| Sole proprietor | No |
| NPI issued | Feb 20, 2007 |
| Last updated in NPPES | Jul 1, 2023 |
| Certified by provider | Jul 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 582087 | 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 | 820 |
|---|---|
| Services billed | 2,644 across 22 procedure codes |
| Paid by Medicare | $85,008 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,065 · 5,541 30-day fills |
|---|---|
| Patients | 638 |
| Total drug cost | $374,048 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Healthtexas Provider NetworkWaxahachie, TX · 2,697 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$1,962 · 71 payments from 15 companies
- 2024$1,321 · 35 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $330.96 | 21 |
| Novartis Pharmaceuticals Corporation | $318.80 | 17 |
| Jenavalve Technology, Inc. | $256.50 | 1 |
| Regeneron Healthcare Solutions, Inc. | $215.84 | 6 |
| Novo Nordisk Inc | $209.45 | 9 |
What the 2025 payments were for
- Food and Beverage$1,962 · 71 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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