Seth Y. Flagg, MD
NPI 1548305451ActiveIndividual· Family Medicine· Upper Marlboro, MD
Family Medicine (MD) in Upper Marlboro, Maryland, trained at Tufts University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $200,244 for 2,268 claims, against $9,663 paid for services in 2024.
Overview
| NPI | 1548305451 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 20, 2007 |
| Last updated in NPPES | Jun 26, 2021 |
| Certified by provider | Jun 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 0082488 | MD |
| Hospitalist | 208M00000X | 0082488 | 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 - Family Practice (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 198 across 19 procedure codes |
| Paid by Medicare | $9,663 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,268 · 4,741 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $200,244 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Kaiser Foundation Health Plan of the Mid Atlantic States, IncLargo, MD · 1,899 clinicians
Other facilities
- Adoration Home Health MarlboroHome health agency · Upper Marlboro, MD
- Americare in Home NursingHome health agency · Fort Washington, MD
- Human Touch Home Health of Maryland, IncHome health agency · Beltsville, 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 30 family medicine physicians in Upper Marlboro · All family medicine physicians in Maryland