Mark J. Ptacek, M.D.
NPI 1083611958ActiveIndividual· Family Medicine· Deadwood, SD
Family Medicine (M.D.) in Deadwood, South Dakota, trained at University of Nebraska College of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $9,151 for 120 claims, against $5,813 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. reported $14.61 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1083611958 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2005 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4872 | SD |
| Family Medicine | 207Q00000X | 16764 | NE |
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 (SD); Practitioner - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 62 |
|---|---|
| Services billed | 72 across 13 procedure codes |
| Paid by Medicare | $5,813 |
Part D prescriptions in 2024
| Prescriptions (claims) | 120 · 122 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $9,151 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | University of Nebraska College of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Family Practice |
Medical groups
- Monument Health Network IncSpearfish, SD · 160 clinicians
- Travis J Ptacek MD PLLCRapid City, SD · 10 clinicians
- Bhpac-Snf PLLCRapid City, SD · 9 clinicians
Hospital affiliations
- Monument Health Custer HospitalCuster, SD
- Pine Ridge Ihs HospitalPine Ridge, SD
Industry payments (Open Payments)
- 2025$14.61 · 1 payment from 1 company
- 2024$129.54 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $14.61 | 1 |
What the 2025 payments were for
- Food and Beverage$14.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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