Isaac Theerman, D.O.
NPI 1659702421ActiveIndividual· Surgery· Rochester, MN
Surgery (D.O.) with Mayo Clinic Health System-Northwest Wisconsin Region Inc and 1 other group, practicing in Rochester, Minnesota. Mostly services rather than prescriptions: Medicare paid $42,516 for 209 patients in 2024, with only 22 Part D claims. Intuitive Surgical, Inc. reported $90.88 in payments in 2024, mostly food and beverage. Lists Mayo Clinic Health System Chippewa Valley and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1659702421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Dec 4, 2013 |
| Last updated in NPPES | Oct 22, 2026 |
| Certified by provider | Oct 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 73162 | MN |
| Surgery | 208600000X | 22147 | 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 - General Surgery (MN); Practitioner - General Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 209 |
|---|---|
| Services billed | 381 across 55 procedure codes |
| Paid by Medicare | $42,516 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 22 30-day fills |
|---|---|
| Total drug cost | $610.06 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI · 534 clinicians
Hospital affiliations
- Mayo Clinic Health System Chippewa ValleyBloomer, WI
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System OakridgeOsseo, WI
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, WI
Industry payments (Open Payments)
- 2024$90.88 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $90.88 | 1 |
What the 2024 payments were for
- Food and Beverage$90.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 218 general surgeons in Rochester · All general surgeons in Minnesota