Mary Christine Johansen, APRN, CNP
NPI 1689208928ActiveIndividual· Nurse Practitioner· McHenry, IL
Nurse Practitioner (APRN, CNP) with Northwestern Medical Faculty Foundation and 1 other group, practicing in McHenry, Illinois. Their prescriptions cost Medicare Part D more than their services did: $16,660 for 396 claims, against $7,390 paid for services in 2024. Lists Advocate Good Shepherd Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1689208928 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, CNP |
| Sole proprietor | Yes |
| NPI issued | Feb 25, 2020 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209020914 | IL |
| Nurse Practitioner, Adult Health | 363LA2200X | 209020614 | IL |
| Nurse Practitioner, Family | 363LF0000X | 209.020914 | IL |
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 - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 86 across 5 procedure codes |
| Paid by Medicare | $7,390 |
Part D prescriptions in 2024
| Prescriptions (claims) | 396 · 425 30-day fills |
|---|---|
| Patients | 169 |
| Total drug cost | $16,660 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Best Practices Inpatient Care, Ltd.Barrington, IL · 82 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
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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