Lisa Christine Merrill, M.D.
NPI 1235109653ActiveIndividual· Internal Medicine· Williamsburg, VA
Internal Medicine (M.D.) in Williamsburg, Virginia, trained at Medical College of Ohio (class of 2002). In 2024 Medicare paid $82,943 for 457 patients, and Part D covered 370 of their prescriptions, 88% of them generic. Pfizer Inc. reported $48.64 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235109653 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 26, 2006 |
| Last updated in NPPES | Dec 4, 2023 |
| Certified by provider | Dec 4, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0101248071 | VA |
| Family Medicine | 207Q00000X | 35-084589 | OH |
| Hospitalist | 208M00000X | 0101248071 | VA |
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 - Hospitalist (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 457 |
|---|---|
| Services billed | 923 across 11 procedure codes |
| Paid by Medicare | $82,943 |
Part D prescriptions in 2024
| Prescriptions (claims) | 370 · 395 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $14,799 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Family Practice |
Medical group
- Sentara Medical GroupNorfolk, VA · 1,408 clinicians
Hospital affiliations
- Riverside Regional Medical CenterNewport News, VA
- Sentara Williamsburg Regional Medical CenterWilliamsburg, VA
Industry payments (Open Payments)
- 2025$48.64 · 2 payments from 1 company
- 2024$313.17 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $48.64 | 2 |
What the 2025 payments were for
- Food and Beverage$48.64 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 internal medicine physicians in Williamsburg · All internal medicine physicians in Virginia