Joanna Buck, MD
NPI 1912403700ActiveIndividual· Psychiatry & Neurology, Psychiatry· Waukesha, WI
Psychiatry & Neurology, Psychiatry (MD) in Waukesha, Wisconsin, trained at Medical College of Wisconsin (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $278,138 for 3,382 claims, against $24,146 paid for services in 2024.
Overview
| NPI | 1912403700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 2, 2018 |
| Last updated in NPPES | Aug 4, 2022 |
| Certified by provider | Aug 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 71731-20 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Psychiatry (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 77 |
|---|---|
| Services billed | 263 across 11 procedure codes |
| Paid by Medicare | $24,146 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,382 · 5,226 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $278,138 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical groups
- Prohealth Medical Group IncMukwonago, WI · 479 clinicians
- Lighthouse Clinic LLCMilwaukee, WI · 15 clinicians
Hospital affiliation
- Waukesha Memorial HospitalWaukesha, 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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