Quick answers
- Does Richard T. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Richard T. Williams 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 Richard T. Williams see?
- In 2024, CMS data shows 1,612 Original Medicare patients and 5,430 services for Richard T. Williams. This counts Original Medicare only and measures volume, not quality.
- What is Richard T. Williams's NPI number?
- 1801859038. 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 Richard T. Williams, 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 | 1,612 |
|---|---|
| Services billed to Medicare | 5,430 |
| Different services or procedures | 87 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)743 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)597 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)500 services
- Injection, regadenoson, 0.1 mg (J2785)268 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)242 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%
- Ischemic heart disease54%
- Arthritis52%
- Diabetes37%
- Atrial fibrillation37%
Hospitals where Richard T. Williams works
Medicare's Facility Affiliation Data lists Richard T. Williams 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.
- Lexington Medical CenterWest Columbia, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420073
Practice locations
Addresses where Richard T. Williams is enrolled with Medicare (CMS data updated October 2, 2026).
- 2728 Sunset Blvd, Suite 300West Columbia, SC 29169 (803) 744‑4900
- 3016 Longtown Commons Dr, Suite 300Columbia, SC 29229 (803) 744‑4900
Group practices
Medicare enrollment lists Richard T. Williams as a member of this group (CMS data updated October 2, 2026).
- Lexington Health Inc904 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Find other Interventional Cardiology doctors in South Carolina →
Other interventional cardiologists in West Columbia
Clinicians with the same Medicare primary specialty in West Columbia, SC — not a recommendation.
Other clinicians in Lexington Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801859038 |
| 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