Spencer Wolf Greaves, MD
NPI 1457844102ActiveIndividual· Emergency Medicine· Waupaca, WI
Emergency Medicine (MD) in Waupaca, Wisconsin, trained at Medical College of Wisconsin (class of 2018). 38 Medicare patients in 2024, $3,384 paid; nearly all of their 127 Part D prescriptions were generic (93%).
Overview
| NPI | 1457844102 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 7, 2018 |
| Last updated in NPPES | Apr 30, 2024 |
| Certified by provider | Apr 30, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 76902-20 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 53 across 9 procedure codes |
| Paid by Medicare | $3,384 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 127 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $2,225 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Emergency Medicine |
Medical group
- Ihc Beaver Dam Emergency Physicians, LLCBeaver Dam, WI · 22 clinicians
Hospital affiliations
- Thedacare Medical Center - New LondonNew London, WI
- Thedacare Medical Center - ShawanoShawano, WI
- Thedacare Medical Center-WaupacaWaupaca, WI
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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