Harold Christopher Hamann, MD
NPI 1578097952ActiveIndividual· Urology· Lafayette, IN
Urology (MD) with Iu Health Medical Group LLC and 1 other group, practicing in Lafayette, Indiana. 355 Medicare patients in 2024, $85,842 paid; nearly all of their 623 Part D prescriptions were generic (92%). Calyxo, Inc. was the largest of 4 companies reporting payments in 2025, $717.94 in all, mostly food and beverage. Lists Northshore University Healthsystem - Evanston Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578097952 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 12, 2017 |
| Last updated in NPPES | Jul 23, 2026 |
| Certified by provider | Jul 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 01098666A | IN |
| Urology | 208800000X | 036159169 | IL |
| Urology | 208800000X | 101568 | WI |
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 - Urology (IL); Practitioner - Urology (IN); Practitioner - Urology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 355 |
|---|---|
| Services billed | 1,033 across 66 procedure codes |
| Paid by Medicare | $85,842 |
Part D prescriptions in 2024
| Prescriptions (claims) | 623 · 1,133 30-day fills |
|---|---|
| Patients | 251 |
| Total drug cost | $59,868 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical groups
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$717.94 · 7 payments from 4 companies
- 2024$242.94 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calyxo, Inc. | $297.91 | 2 |
| Boston Scientific Corporation | $246.67 | 3 |
| Valencia Technologies Corporation | $158.15 | 1 |
| Tolmar, Inc. | $15.21 | 1 |
What the 2025 payments were for
- Food and Beverage$717.94 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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