Lauren Buyan, DO
NPI 1083148175ActiveIndividual· Emergency Medicine· Rapid City, SD
Emergency Medicine (DO) with Rapid City Emergency Services PA, practicing in Rapid City, South Dakota. 856 Medicare patients in 2024, $116,553 paid; nearly all of their 153 Part D prescriptions were generic (95%). Lists Fall River Hospital - Cah and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1083148175 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 14, 2017 |
| Last updated in NPPES | Sep 29, 2022 |
| Certified by provider | Sep 29, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 13629 | SD |
| Emergency Medicine | 207P00000X | 8618 | NE |
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 - Emergency Medicine (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 856 |
|---|---|
| Services billed | 1,515 across 36 procedure codes |
| Paid by Medicare | $116,553 |
Part D prescriptions in 2024
| Prescriptions (claims) | 153 · 155 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $2,352 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Rapid City Emergency Services PARapid City, SD · 22 clinicians
Hospital affiliations
- Fall River Hospital - CahHot Springs, SD
- Monument Health Lead-Deadwood HospitalDeadwood, SD
- Monument Health Rapid City HospitalRapid City, SD
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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