Katherine Barbara Johnson, MD
NPI 1942400924ActiveIndividual· Psychiatry & Neurology, Psychiatry· Maywood, IL
Psychiatry & Neurology, Psychiatry (MD) in Maywood, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $91,500 for 640 claims, against $10,808 paid for services in 2024. Lundbeck LLC was the largest of 2 companies reporting payments in 2025, $77.49 in all, mostly food and beverage.
Overview
| NPI | 1942400924 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 19, 2007 |
| Last updated in NPPES | Apr 12, 2021 |
| Certified by provider | Apr 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 036139574 | IL |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 2011-00519 | NC |
| Psychiatry & Neurology, Child & Adolescent Psychiatry | 2084P0804X | 2011-00519 | NC |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 174 across 12 procedure codes |
| Paid by Medicare | $10,808 |
Part D prescriptions in 2024
| Prescriptions (claims) | 640 · 1,007 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $91,500 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliation
- Loyola University Medical CenterMaywood, IL
Industry payments (Open Payments)
- 2025$77.49 · 3 payments from 2 companies
- 2024$71.30 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $63.93 | 2 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $13.56 | 1 |
What the 2025 payments were for
- Food and Beverage$77.49 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 75 psychiatrists in Maywood · All psychiatrists in Illinois