Alexander Kenneth Johnson, MD
NPI 1134783541ActiveIndividual· Psychiatry & Neurology, Psychiatry· Milwaukee, WI
Psychiatry & Neurology, Psychiatry (MD) in Milwaukee, Wisconsin, trained at Medical College of Wisconsin (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $135,748 for 1,257 claims, against $19,308 paid for services in 2024. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $444.81 in all, mostly food and beverage.
Overview
| NPI | 1134783541 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2019 |
| Last updated in NPPES | Sep 24, 2020 |
| Certified by provider | Sep 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 1134783541 | 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 | 96 |
|---|---|
| Services billed | 239 across 6 procedure codes |
| Paid by Medicare | $19,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,257 · 2,048 30-day fills |
|---|---|
| Patients | 141 |
| Total drug cost | $135,748 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
Hospital affiliations
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Ascension Se Wisconsin HospitalMilwaukee, WI
Industry payments (Open Payments)
- 2025$444.81 · 22 payments from 10 companies
- 2024$678.48 · 28 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $77.82 | 4 |
| Lundbeck LLC | $66.95 | 3 |
| Otsuka America Pharmaceutical, Inc. | $66.41 | 3 |
| Vanda Pharmaceuticals Inc. | $62.23 | 3 |
| Alkermes, Inc. | $49.10 | 2 |
What the 2025 payments were for
- Food and Beverage$444.81 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 192 psychiatrists in Milwaukee · All psychiatrists in Wisconsin