Quick answers
- Does Richard B. Sommerville accept Medicare assignment?
- Yes. Medicare's clinician data says Richard B. Sommerville 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 B. Sommerville see?
- In 2024, CMS data shows 333 Original Medicare patients and 1,099 services for Richard B. Sommerville. This counts Original Medicare only and measures volume, not quality.
- What is Richard B. Sommerville's NPI number?
- 1053529164. 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 B. Sommerville, 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 | 333 |
|---|---|
| Services billed to Medicare | 1,099 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)246 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)230 services
- Needle measurement of electrical activity in arm or leg muscles, limited study (95885)185 services
- Nerve conduction, 13 or more studies (95913)77 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)73 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%
- Arthritis75%
- Ischemic heart disease34%
- Diabetes28%
- Anxiety28%
Practice locations
Addresses where Richard B. Sommerville is enrolled with Medicare (CMS data updated October 2, 2026).
- 14825 N Outer 40 Rd, Suite 330 BChesterfield, MO 63017 (636) 537‑0525
Group practices
Medicare enrollment lists Richard B. Sommerville as a member of this group (CMS data updated October 2, 2026).
- Todd B Silverman MD LLC2 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053529164 |
| 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
- 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