Clayton Internal Medicine, LLC
NPI 1487769931 · Internal Medicine Physician · Chesterfield, MO
Clayton Internal Medicine, LLC is a Internal Medicine Physician organization in Chesterfield, MO (NPI 1487769931).
Provider details
- NPI number
- 1487769931
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- St. Luke'S Medical Group
- Organization subpart
- Yes
- Authorized official
- Rick Sonne, Director(314) 576-2490
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2007-11-27
Frequently asked questions
- What is Clayton Internal Medicine, LLC's NPI number?
- Clayton Internal Medicine, LLC's National Provider Identifier (NPI) is 1487769931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Clayton Internal Medicine, LLC?
- Clayton Internal Medicine, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clayton Internal Medicine, LLC located?
- Clayton Internal Medicine, LLC's practice location on file with NPPES is 222 S Woods Mill Rd, Chesterfield, MO 63017-3625.
- What is Clayton Internal Medicine, LLC's phone number?
- The practice phone number listed in the NPPES registry for Clayton Internal Medicine, LLC is (314) 205-6839.
- Who is the authorized official for Clayton Internal Medicine, LLC?
- The authorized official listed on Clayton Internal Medicine, LLC's NPPES record is Rick Sonne, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Clayton Internal Medicine, LLC's NPI active?
- Yes — Clayton Internal Medicine, LLC's NPI (1487769931) is active in the NPPES registry as of the last update on 2007-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.