Mark Case, M.D.
NPI 1730137019ActiveIndividual· Family Medicine· Middletown, DE
Opted out of Medicare from October 2018 to October 2028. Family Medicine (M.D.) in Middletown, Delaware, licensed in DE, with an NPI issued in May 2006. Part D covered 6,330 prescriptions written in 2024, 46% of them generic.
Overview
| NPI | 1730137019 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 5, 2006 |
| Last updated in NPPES | Mar 10, 2020 |
| Certified by provider | Mar 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | C1-0004730 | DE |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Oct 1, 2018 – Oct 1, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 6,330 · 11,183 30-day fills |
|---|---|
| Patients | 2,503 |
| Total drug cost | $1,037,874 |
| Generic share | 46% of claims |
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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