Ronald Sweren, M.D.
NPI 1487689287ActiveIndividual· Dermatology· Baltimore, MD
Dermatology (M.D.) in Baltimore, Maryland, trained at University of Maryland School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $1,667,306 for 824 claims, against $244,225 paid for services in 2024.
Overview
| NPI | 1487689287 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Feb 19, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | D20671 | 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 - Dermatology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,136 |
|---|---|
| Services billed | 4,313 across 32 procedure codes |
| Paid by Medicare | $244,225 |
Part D prescriptions in 2024
| Prescriptions (claims) | 824 · 1,061 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $1,667,306 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Dermatology |
Medical group
- Johns Hopkins UniversityBaltimore, MD · 2,909 clinicians
Hospital affiliation
- Johns Hopkins Hospital, theBaltimore, 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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