Margaret Kathryn Johnson
NPI 1821395252ActiveIndividual· Emergency Medicine· Janesville, WI
Emergency Medicine with Emergency Medicine Associates of Madison, SC, practicing in Janesville, Wisconsin. 332 Medicare patients in 2024, $40,559 paid; nearly all of their 212 Part D prescriptions were generic (90%). Abbvie Inc. reported $121.13 in payments in 2025, mostly food and beverage. Lists Unitypoint Health - Meriter as a hospital affiliation.
Overview
| NPI | 1821395252 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 21, 2011 |
| Last updated in NPPES | Sep 7, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 63954-21 | 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 - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 332 |
|---|---|
| Services billed | 473 across 16 procedure codes |
| Paid by Medicare | $40,559 |
Part D prescriptions in 2024
| Prescriptions (claims) | 212 · 213 30-day fills |
|---|---|
| Patients | 134 |
| Total drug cost | $8,032 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Medicine Associates of Madison, SCMadison, WI · 17 clinicians
Hospital affiliation
- Unitypoint Health - MeriterMadison, WI
Industry payments (Open Payments)
- 2025$121.13 · 1 payment from 1 company
- 2024$108.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $121.13 | 1 |
What the 2025 payments were for
- Food and Beverage$121.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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