Nicholas A. Zwang, MD
NPI 1891925996ActiveIndividual· Hospitalist· Highland Park, IL
Hospitalist (MD) in Highland Park, Illinois, trained at Harvard Medical School (class of 2009). In 2024 Medicare paid $102,752 for 397 patients, and Part D covered 230 of their prescriptions, 87% of them generic.
Overview
| NPI | 1891925996 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 23, 2009 |
| Last updated in NPPES | May 10, 2024 |
| Certified by provider | May 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036137781 | IL |
| Internal Medicine | 207R00000X | 036137781 | IL |
| Internal Medicine, Nephrology | 207RN0300X | 036137781 | 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 | 397 |
|---|---|
| Services billed | 1,318 across 18 procedure codes |
| Paid by Medicare | $102,752 |
Part D prescriptions in 2024
| Prescriptions (claims) | 230 · 264 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $17,336 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwestern Lake Forest HospitalLake Forest, 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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All 18 hospitalists in Highland Park · All hospitalists in Illinois