Johnny O. Alexander, MD
NPI 1649439043ActiveIndividual· Radiology, Diagnostic Radiology· Chicago, IL
Radiology, Diagnostic Radiology (MD) in Chicago, Illinois, trained at Saint Louis University School of Medicine (class of 2002). Medicare paid $88,990 for services to 1,876 patients in 2024. Janssen Pharmaceuticals, Inc reported $18.86 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1649439043 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2008 |
| Last updated in NPPES | Jul 28, 2025 |
| Certified by provider | Jul 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 316970 | NY |
| Radiology, Diagnostic Radiology | 2085R0202X | MD210012291 | DC |
| Radiology, Diagnostic Radiology | 2085R0202X | 0101243293 | VA |
| Radiology, Diagnostic Radiology | 2085R0202X | 36128037 | 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 - Diagnostic Radiology (DC); Practitioner - Diagnostic Radiology (FL); Practitioner - Diagnostic Radiology (GA); Practitioner - Diagnostic Radiology (MD); Practitioner - Diagnostic Radiology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,876 |
|---|---|
| Services billed | 2,704 across 146 procedure codes |
| Paid by Medicare | $88,990 |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Mori Bean and Brooks IncWilliamsburg, VA · 977 clinicians
- Jamaica HospitalRichmond Hill, NY · 255 clinicians
- Lifebridge Community Physicians IncOwings Mills, MD · 183 clinicians
- Howard UniversityWashington, DC · 181 clinicians
- Professional Services of Holy CrossSilver Spring, MD · 158 clinicians
- Eastpointe Radiologists, P.C.Bothell, WA · 110 clinicians
- Blackwell Physicians, LLCRockville, MD · 68 clinicians
Hospital affiliations
- Adventist Healthcare Shady Grove Medical CenterRockville, MD
- HCA Florida Fawcett HospitalPort Charlotte, FL
- HCA Florida Gulf Coast HospitalPanama City, FL
- Holy Cross HospitalSilver Spring, MD
- Sinai Hospital of BaltimoreBaltimore, MD
Industry payments (Open Payments)
- 2025$18.86 · 1 payment from 1 company
- 2024$135.52 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $18.86 | 1 |
What the 2025 payments were for
- Food and Beverage$18.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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