Quick answers
- Does Silas H. Williams Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Silas H. Williams Iv accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Silas H. Williams Iv see?
- In 2024, CMS data shows 264 Original Medicare patients and 2,199 services for Silas H. Williams Iv. This counts Original Medicare only and measures volume, not quality.
- What is Silas H. Williams Iv's NPI number?
- 1851737290. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Silas H. Williams Iv, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 264 |
|---|---|
| Services billed to Medicare | 2,199 |
| Different services or procedures | 155 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,050 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)94 services
- Ultrasonic guidance for blood vessel access (76937)80 services
- Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes (99153)78 services
- Fluoroscopic guidance for needle placement (77002)36 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Chronic kidney disease47%
- Diabetes46%
- Anxiety39%
Hospitals where Silas H. Williams Iv works
Medicare's Facility Affiliation Data lists Silas H. Williams Iv at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Golden Valley Memorial HospitalClinton, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260175
- Research Medical CenterKansas City, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260027
- St Joseph Medical CenterKansas City, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260085
- St Mary's Medical CenterBlue Springs, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260193
- Western Missouri Medical CenterWarrensburg, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260097
Practice locations
Addresses where Silas H. Williams Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 1600 N 2nd StClinton, MO 64735 (660) 885‑8171
- 190 Cedar Bridge CtSaint Louis, MO 63141 (888) 264‑0330
- 2316 E Meyer BlvdKansas City, MO 64132 (888) 264‑0330
- 4200 Little Blue Pkwy, Suite 350Independence, MO 64057 (816) 648‑6482
- 709 NE La Costa StLees Summit, MO 64064 (816) 228‑5900
Group practices
Medicare enrollment lists Silas H. Williams Iv as a member of these groups (CMS data updated October 2, 2026).
- Concord Radiology PLLC225 clinicians in the group
- Golden Valley Memorial Hospital District139 clinicians in the group
- Shi Specialists LLC53 clinicians in the group
- Minimally Invasive Vascular Associates, LLC3 clinicians in the group
Specialties
- Interventional Radiologyprimary
Other interventional radiologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Concord Radiology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851737290 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians