Daniel H. Williams, MD
NPI 1255350641ActiveIndividual· Urology· Madison, WI
Urology (MD) in Madison, Wisconsin, trained at Columbia University College of Physicians and Surgeons (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $32,637 for 399 claims, against $19,181 paid for services in 2024.
Overview
| NPI | 1255350641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Jan 25, 2021 |
| Certified by provider | Jan 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 49451 | WI |
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 - Urology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 246 across 42 procedure codes |
| Paid by Medicare | $19,181 |
Part D prescriptions in 2024
| Prescriptions (claims) | 399 · 814 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $32,637 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical groups
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
- Generations Fertility Care IncMiddleton, WI · 6 clinicians
Hospital affiliations
- Sauk Prairie HospitalPrairie Du Sac, WI
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
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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