Nijuanna Pertresh Irby-Johnson, M.D.
NPI 1366652760ActiveIndividual· Internal Medicine· Northville, MI
Internal Medicine (M.D.) in Northville, Michigan, trained at Wayne State University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $220,352 for 1,881 claims, against $21,524 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $77.14 in all, mostly food and beverage.
Overview
| NPI | 1366652760 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Dec 14, 2020 |
| Certified by provider | Dec 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301084047 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 270 across 19 procedure codes |
| Paid by Medicare | $21,524 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,881 · 4,381 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $220,352 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Berry Johnson Health, PLLCSouthfield, MI · 2 clinicians
Hospital affiliations
- Ascension Providence Hospital, Southfield and NoviSouthfield, MI
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Henry Ford Health West Bloomfield HospitalW Bloomfield, MI
Industry payments (Open Payments)
- 2025$77.14 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $28.14 | 1 |
| Dexcom, Inc. | $18.20 | 1 |
| Exact Sciences Corporation | $17.13 | 1 |
| Hologic Sales and Service, LLC | $13.67 | 1 |
What the 2025 payments were for
- Food and Beverage$77.14 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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