Mary Margaret Lewis, MD
NPI 1487645750ActiveIndividual· Internal Medicine, Critical Care Medicine· Richmond, VA
Internal Medicine, Critical Care Medicine (MD) in Richmond, Virginia, trained at Georgetown University School of Medicine (class of 1995). Medicare paid $18,498 for services to 73 patients in 2024.
Overview
| NPI | 1487645750 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 4, 2005 |
| Last updated in NPPES | Oct 1, 2025 |
| Certified by provider | Oct 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | D0096549 | MD |
| Internal Medicine, Critical Care Medicine | 207RC0200X | MD22025 | DC |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 0101054875 | VA |
| Internal Medicine, Sleep Medicine | 207RS0012X | 0101054875 | VA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 0101054875 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Critical Care (Intensivists) (DC); Practitioner - Critical Care (Intensivists) (MD); Practitioner - Critical Care (Intensivists) (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 149 across 12 procedure codes |
| Paid by Medicare | $18,498 |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
Medical groups
- McV Associated PhysiciansRichmond, VA · 1,807 clinicians
- Privia Medical Group, LLCFairfax, VA · 1,533 clinicians
Hospital affiliations
- Community Memorial HospitalSouth Hill, VA
- Virginia Hospital CenterArlington, VA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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