Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Clayton Internal Medicine, LLC

Organization Internal Medicine Physician · NPI 1487769931

Clayton Internal Medicine, LLC is an Internal Medicine Physician in Chesterfield, Missouri. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

222 S Woods Mill Rd Ste 520N
Chesterfield, MO 63017-3625
Phone: (314) 205-6839
Fax: (314) 576-2393
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1487769931
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationSt Luke's Medical Group
Authorized official Rick Sonne — Director · (314) 576-2490
NPI enumeratedAugust 21, 2006
Last updated in NPPESNovember 27, 2007
Mailing address232 S Woods Mill Rd, Attn: Rick Sonne, Chesterfield, MO 63017-3417

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