Dr. Richard Brian Sommerville, MD
- Medicare services, 2024
- 1,054
- Medicare patients, 2024
- 333
- Part D claims, 2023
- 94
- Hospital affiliations
- 1
- Industry payments
- $135
- Practice address
- 14825 N Outer Forty Road, Suite 100, Chesterfield, MO 63017
- Practice phone
- Call (636) 256-0320
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Timberlake Surgery Center
Surgery Center - Medicare-Certified · Chesterfield, Missouri
Find Dr. Sommerville's professional email, personal email and mobile number
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Dr. Richard Brian Sommerville is a neurologist in Chesterfield, Missouri
Dr. Sommerville practices at Timberlake Surgery Center in Chesterfield, Missouri.
Dr. Sommerville's NPI, 1053529164, was assigned on May 21, 2007. Dr. Sommerville graduated from Columbia University College of Physicians and Surgeons in 2005. Dr. Sommerville holds Missouri license 2009008677.
- NPI
- 1053529164NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931233673
- NPI enumeration date
- May 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 256-0320
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Richard Brian Sommerville practices at Timberlake Surgery Center in Chesterfield, Missouri
Dr. Sommerville's primary practice is Timberlake Surgery Center, at 14825 N Outer Forty Road, Suite 100, Chesterfield, MO 63017. The practice phone is (636) 256-0320.
- Timberlake Surgery Center14825 N Outer Forty Road, Suite 100, Chesterfield, MO 63017Phone(636) 256-0320
Source: Dmand AI Affiliation Data
Dr. Richard Brian Sommerville is affiliated with 4 sites of care and 2 medical groups
Dr. Sommerville's primary practice is Timberlake Surgery Center in Chesterfield, Missouri. Dr. Sommerville is also affiliated with St. Luke's Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Sommerville to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Richard Brian Sommerville's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sommerville practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Timberlake Surgery Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard Brian Sommerville is one of 403 neurologists in Missouri
Neurology is Dr. Sommerville's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Sommerville is licensed in Missouri.
Specialties and state licenses
- Neurology, MissouriPrimary
Neurologists near Dr. Sommerville
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Richard Brian Sommerville billed Medicare for 1,054 services in 2024
CMS data shows 1,054 Medicare services from Dr. Sommerville across 10 procedure codes in 2024, for 333 Medicare patients. Medicare paid $104,755 for them. Every service was in an office.
Dr. Sommerville's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6332024: 73917%
- Office and hospital visits
- 2023: 2892024: 3159%
Dr. Sommerville compared with the Missouri median for neurologists, 2024
- Dr. Sommerville
- Missouri median
- Medicare services
- 1,054vs 3732.8 times
- Medicare patients
- 333vs 21356% above
- Part D claims
- 94vs 26565% below
Medians across 392 neurologists in Missouri with Dmand AI profiles that report each measure.
Dr. Sommerville's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sommerville and other neurologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard Brian Sommerville treated 333 Medicare patients in 2024, average age 72
CMS counts 333 Medicare patients who saw Dr. Sommerville in 2024. The largest group is 65 to 74, with 195 patients. 75% of them have arthritis, and 75% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sommerville's median patient age at 68, with 52% women.
Dr. Sommerville's Medicare patients by age, 2024
Dr. Sommerville's Medicare patients by sex, 2024
- Women16249%
- Men17151%
Chronic conditions among Dr. Sommerville's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease34%
- Anxiety28%
- Diabetes28%
- Mood disorders27%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sommerville's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Richard Brian Sommerville wrote 94 Medicare Part D claims in 2023
In 2023, Dr. Sommerville wrote 94 Medicare Part D claims. They cover 3 drugs, with $203,444 in total drug cost. In 2022, CMS named 360 claims across 13 drugs.
Dr. Sommerville's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3602023: 9474%
Drugs named by CMS: 3 in 2023, 13 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Richard Brian Sommerville takes part in Medicare
Dr. Sommerville accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Richard Brian Sommerville received $135 in industry payments from 2019 to 2025
CMS Open Payments shows 4 general payments to Dr. Sommerville from 1 drug or device company from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Biogen, Inc. paid the most, $135.
General payments to Dr. Sommerville by program year, 2019 to 2025
Companies that paid Dr. Sommerville the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Richard Brian Sommerville graduated from Columbia University College of Physicians and Surgeons
Dr. Sommerville graduated from Columbia University College of Physicians and Surgeons in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Richard Brian Sommerville's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Richard Brian Sommerville
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Richard Brian Sommerville's NPI number?
Dr. Richard Brian Sommerville's NPI number is 1053529164. It was assigned on May 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard Brian Sommerville?
Dr. Richard Brian Sommerville is a neurologist in Chesterfield, Missouri. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Richard Brian Sommerville practice?
Dr. Sommerville practices at 14825 N Outer Forty Road, Suite 100, Chesterfield, MO 63017. Dr. Sommerville's primary practice is Timberlake Surgery Center in Chesterfield, Missouri. Dmand AI also links Dr. Sommerville to 2 group practices and clinics and 1 medical group.
What is Dr. Richard Brian Sommerville's office phone number?
The practice phone on file for Dr. Sommerville is (636) 256-0320.
What is Dr. Richard Brian Sommerville's medical license number?
Dr. Sommerville holds Missouri license 2009008677.
Which hospitals is Dr. Richard Brian Sommerville affiliated with?
Dr. Sommerville is affiliated with St. Luke's Hospital.
What medical group is Dr. Richard Brian Sommerville part of?
Dr. Sommerville is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Sommerville to 1 more medical group.
Does Dr. Richard Brian Sommerville accept Medicare?
Yes. CMS data shows Dr. Sommerville billed Medicare for 1,054 services in 2024, and Dr. Sommerville accepts Medicare assignment.
How many Medicare patients does Dr. Richard Brian Sommerville see?
CMS counts 333 Medicare patients who saw Dr. Sommerville in 2024, with an average age of 72.
What services does Dr. Richard Brian Sommerville bill to Medicare?
In 2024, Dr. Sommerville's most billed Medicare services were nerve and brain test (95886), office visit, new patient (99203) and nerve and brain test (95885).
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Where did Dr. Richard Brian Sommerville go to medical school?
Dr. Sommerville graduated from Columbia University College of Physicians and Surgeons in 2005.
What drugs does Dr. Richard Brian Sommerville prescribe most?
In 2023 Medicare Part D data, Dr. Sommerville's most prescribed drugs by claims were Gammagard Liquid, Gabapentin and Pyridostigmine Bromide.
Has Dr. Richard Brian Sommerville received payments from drug or device companies?
CMS Open Payments shows $135 in general payments to Dr. Sommerville from 1 company from 2019 to 2025. The largest total came from Biogen, Inc.
How long has Dr. Richard Brian Sommerville been practicing?
Dr. Sommerville graduated from medical school in 2005, 21 years ago.
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