Christopher Patrick O'Hara, MD
NPI 1679032593ActiveIndividual· Internal Medicine, Critical Care Medicine· McHenry, IL
Internal Medicine, Critical Care Medicine (MD) in McHenry, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2019). Part D covered 102 prescriptions written in 2024. Merck Sharp & Dohme LLC was the largest of 5 companies reporting payments in 2025, $304.85 in all, mostly food and beverage.
Overview
| NPI | 1679032593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 19, 2019 |
| Last updated in NPPES | Aug 6, 2025 |
| Certified by provider | Aug 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 036161898 | IL |
| Internal Medicine | 207R00000X | 036161898 | IL |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 036161898 | 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 - Critical Care (Intensivists) (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 102 · 112 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $22,278 |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Internal Medicine, Pulmonary Disease |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliation
- Northwestern Medicine McHenryMcHenry, IL
Industry payments (Open Payments)
- 2025$304.85 · 6 payments from 5 companies
- 2024$703.19 · 13 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $103.45 | 1 |
| Astrazeneca Pharmaceuticals LP | $98.91 | 1 |
| Glaxosmithkline, LLC. | $44.01 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $34.00 | 1 |
| Genzyme Corporation | $24.48 | 1 |
What the 2025 payments were for
- Food and Beverage$304.85 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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