Ralph Frederick Reeder Jr., MD
NPI 1811990161ActiveIndividual· Neurological Surgery· Dakota Dunes, SD
Neurological Surgery (MD) in Dakota Dunes, South Dakota, trained at University of Washington School of Medicine (class of 1981). Mostly services rather than prescriptions: Medicare paid $35,382 for 50 patients in 2024, with only 19 Part D claims.
Overview
| NPI | 1811990161 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 31, 2005 |
| Last updated in NPPES | Aug 6, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 3409 | SD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 106 across 43 procedure codes |
| Paid by Medicare | $35,382 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 19 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $281.80 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Neurosurgery |
Medical group
- Mercy Clinics IncClive, IA · 443 clinicians
Hospital affiliation
- Mercyone Des Moines Medical CenterDes Moines, IA
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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