Sonya Leigh Merrill, MD, PHD
NPI 1316954092ActiveIndividual· Internal Medicine, Sleep Medicine· Dallas, TX
Opted out of Medicare from July 2022 to July 2028. Internal Medicine, Sleep Medicine (MD, PHD) in Dallas, Texas, licensed in TX, with an NPI issued in August 2006. Part D covered 346 prescriptions written in 2024, 82% of them generic. Jazz Pharmaceuticals Inc. reported $150.00 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1316954092 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Aug 2, 2006 |
| Last updated in NPPES | Jul 16, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Sleep Medicine Primary | 207RS0012X | L6114 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jul 1, 2022 – Jul 1, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 346 · 555 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $46,665 |
| Generic share | 82% of claims |
Industry payments (Open Payments)
- 2025$150.00 · 1 payment from 1 company
- 2024$99.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $150.00 | 1 |
What the 2025 payments were for
- Consulting Fee$150.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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