Joseph H. Williams, M.D.
Urology (M.D.) with Mercy Health System Corporation and 1 other group, practicing in Meridian, Idaho. 843 Medicare patients in 2024, $209,266 paid; nearly all of their 4,209 Part D prescriptions were generic (98%). Telix Pharmaceuticals was the largest of 13 companies reporting payments in 2025, $1,673 in all, mostly food and beverage. Lists Mercy Health System Corp and 4 other hospitals as hospital affiliations. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1194777060 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Oct 14, 2026 |
| Certified by provider | Oct 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | M-7605 | ID |
| Urology | 208800000X | 01094248A | IN |
| Urology | 208800000X | 5188-320 | WI |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Idaho, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Joseph F. Williams · Chiropractic | 1128b14 | Feb 18, 1997 | Idaho Falls, ID |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| 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 (ID); Practitioner - Urology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 843 |
|---|---|
| Services billed | 18,762 across 117 procedure codes |
| Paid by Medicare | $209,266 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,209 · 9,894 30-day fills |
|---|---|
| Patients | 992 |
| Total drug cost | $140,737 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Urology |
Medical groups
- Mercy Health System CorporationJanesville, WI · 753 clinicians
- Idaho Urologic Institute PABoise, ID · 20 clinicians
Hospital affiliations
- Mercy Health System CorpJanesville, WI
- Renown Regional Medical CenterReno, NV
- Renown South Meadows Medical CenterReno, NV
- Saint Alphonsus Regional Medical CenterBoise, ID
- St Luke's Regional Medical CenterBoise, ID
Industry payments (Open Payments)
- 2025$1,673 · 29 payments from 13 companies
- 2024$601.73 · 18 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Telix Pharmaceuticals | $1,173 | 5 |
| Janssen Biotech, Inc. | $148.74 | 8 |
| Bayer Healthcare Pharmaceuticals Inc. | $84.22 | 1 |
| Ferring Pharmaceuticals Inc. | $46.58 | 3 |
| Merck Sharp & Dohme LLC | $46.37 | 2 |
What the 2025 payments were for
- Food and Beverage$853.34 · 28 payments
- Travel and Lodging$819.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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