Robert J. Tillotson, DO
NPI 1679601983ActiveIndividual· Emergency Medicine· Eau Claire, WI
Emergency Medicine (DO) in Eau Claire, Wisconsin, trained at Michigan State University College of Human Medicine (class of 1984). 79 Medicare patients in 2024, $12,150 paid; nearly all of their 69 Part D prescriptions were generic (93%). Mindray Ds USA, Inc. reported $70.68 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1679601983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Feb 28, 2007 |
| Last updated in NPPES | Jul 10, 2026 |
| Certified by provider | Jul 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 38499 | WI |
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 - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 141 across 23 procedure codes |
| Paid by Medicare | $12,150 |
Part D prescriptions in 2024
| Prescriptions (claims) | 69 · 71 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $4,078 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Emergency Medicine |
Medical group
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
Hospital affiliations
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System-NorthlandBarron, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, WI
Industry payments (Open Payments)
- 2025$70.68 · 1 payment from 1 company
- 2024$460.96 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mindray Ds USA, Inc. | $70.68 | 1 |
What the 2025 payments were for
- Food and Beverage$70.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 70 emergency medicine physicians in Eau Claire · All emergency medicine physicians in Wisconsin