Mark J. Dykstra, M.D.
NPI 1083646772ActiveIndividual· Urology· Menomonee Falls, WI
Urology (M.D.) in Menomonee Falls, Wisconsin, trained at Medical College of Wisconsin (class of 1982). 110 Medicare patients in 2024, $14,638 paid; nearly all of their 267 Part D prescriptions were generic (96%).
Overview
| NPI | 1083646772 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Dec 2, 2021 |
| Certified by provider | Dec 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 43757 | 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 - Urology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 238 across 35 procedure codes |
| Paid by Medicare | $14,638 |
Part D prescriptions in 2024
| Prescriptions (claims) | 267 · 539 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $10,755 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Urology |
Medical group
- Ascension Medical Group-Fox Valley Wisconsin, IncAppleton, WI · 259 clinicians
Hospital affiliation
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Urology providers in Menomonee Falls
- 1992793327
- 1770707358
- 1598108458