Marrissa Leigh Baker, M.D.
NPI 1669771986ActiveIndividual· Emergency Medicine· Baltimore, MD
Emergency Medicine (M.D.) in Baltimore, Maryland, trained at Washington University School of Medicine (class of 2011). Mostly services rather than prescriptions: Medicare paid $5,363 for 39 patients in 2024, with only 17 Part D claims.
Overview
| NPI | 1669771986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 25, 2011 |
| Last updated in NPPES | Oct 13, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | MD462521 | PA |
| Emergency Medicine | 207P00000X | D0079093 | MD |
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 - Emergency Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 39 |
|---|---|
| Services billed | 66 across 8 procedure codes |
| Paid by Medicare | $5,363 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 17 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $107.76 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Emergency Medicine |
Medical group
- Cep America LLCJacksonville, FL · 1,023 clinicians
Hospital affiliation
- Saint Agnes HospitalBaltimore, MD
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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All 533 emergency medicine physicians in Baltimore · All emergency medicine physicians in Maryland