Charles Yohannan, MD
NPI 1124279864ActiveIndividual· Hospitalist· Winfield, IL
Hospitalist (MD) in Winfield, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2008). 319 Medicare patients in 2024, $107,868 paid; nearly all of their 152 Part D prescriptions were generic (90%). Axsome Therapeutics, Inc. was the largest of 8 companies reporting payments in 2025, $1,303 in all, mostly food and beverage.
Overview
| NPI | 1124279864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 30, 2008 |
| Last updated in NPPES | Aug 29, 2023 |
| Certified by provider | Aug 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036128569 | IL |
| Internal Medicine | 207R00000X | 036128569 | 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 - Hospitalist (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 319 |
|---|---|
| Services billed | 1,163 across 14 procedure codes |
| Paid by Medicare | $107,868 |
Part D prescriptions in 2024
| Prescriptions (claims) | 152 · 195 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $5,656 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
Industry payments (Open Payments)
- 2025$1,303 · 11 payments from 8 companies
- 2024$789.11 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $243.08 | 2 |
| Astrazeneca Pharmaceuticals LP | $235.79 | 2 |
| Abbvie Inc. | $204.49 | 2 |
| Actelion Pharmaceuticals US, Inc. | $145.74 | 1 |
| Astellas Pharma US Inc | $138.34 | 1 |
What the 2025 payments were for
- Food and Beverage$1,303 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 75 hospitalists in Winfield · All hospitalists in Illinois