Cindy D. Erwin, P.A.-C.
Physician Assistant, Medical (P.A.-C.) with Avera St Marys and 1 other group, practicing in Pierre, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $9,399 for 125 claims, against $2,955 paid for services in 2024. Sage Therapeutics, LLC was the largest of 2 companies reporting payments in 2025, $43.69 in all, mostly food and beverage. Lists Avera Hand County Memorial Hospital and Clinic and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1982600276 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C. |
| Sole proprietor | No |
| NPI issued | Jun 22, 2005 |
| Last updated in NPPES | Apr 13, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 0371 | 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 - Physician Assistant (SD); Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 40 across 9 procedure codes |
| Paid by Medicare | $2,955 |
Part D prescriptions in 2024
| Prescriptions (claims) | 125 · 332 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $9,399 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Avera St MarysPierre, SD · 97 clinicians
- Avera GettysburgGettysburg, SD · 13 clinicians
Hospital affiliations
- Avera Hand County Memorial Hospital and ClinicMiller, SD
- Avera Missouri River Health CenterGettysburg, SD
- Avera St Mary's HospitalPierre, SD
- Eagle Butte Indian Health Service HospitalEagle Butte, SD
Industry payments (Open Payments)
- 2025$43.69 · 2 payments from 2 companies
- 2024$44.96 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sage Therapeutics, LLC | $26.64 | 1 |
| Astellas Pharma US Inc | $17.05 | 1 |
What the 2025 payments were for
- Food and Beverage$43.69 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant, Medical providers in Pierre
- 1568473247
- 1083473946
- 1669854709
All Physician Assistant, Medical providers in South Dakota →