Colby J. Seegmiller, DO
NPI 1336558832ActiveIndividual· Surgery· Neenah, WI
Surgery (DO) with Surgical Associates of Neenah, S.C., practicing in Neenah, Wisconsin. 119 Medicare patients in 2024, $36,499 paid; nearly all of their 140 Part D prescriptions were generic (96%). Genzyme Corporation was the largest of 4 companies reporting payments in 2025, $119.93 in all, mostly food and beverage. Lists Thedacare Medical Center - Berlin Inc and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1336558832 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 8, 2014 |
| Last updated in NPPES | Dec 27, 2021 |
| Certified by provider | Dec 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 67830-21 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - General Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 119 |
|---|---|
| Services billed | 287 across 57 procedure codes |
| Paid by Medicare | $36,499 |
Part D prescriptions in 2024
| Prescriptions (claims) | 140 · 150 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $2,523 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Surgical Associates of Neenah, S.C.Neenah, WI · 29 clinicians
Hospital affiliations
- Thedacare Medical Center - Berlin IncBerlin, WI
- Thedacare Medical Center-WaupacaWaupaca, WI
- Thedacare Regional Med Ctr - NeenahNeenah, WI
- Thedacare Regional Medical Center - Appleton IncAppleton, WI
Industry payments (Open Payments)
- 2025$119.93 · 4 payments from 4 companies
- 2024$1,066 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $39.16 | 1 |
| Tela Bio, Inc. | $34.30 | 1 |
| Solventum Corporation | $23.36 | 1 |
| Regeneron Healthcare Solutions, Inc. | $23.11 | 1 |
What the 2025 payments were for
- Food and Beverage$119.93 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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