CLAYTON INTERNAL MEDICINE, LLC
NPI 1487769931
Internal Medicine in Chesterfield, MO

Q: What is Clayton Internal Medicine, LLC's NPI number?

The NPI number for Clayton Internal Medicine, LLC is 1487769931. It was assigned to this organization in the NPPES registry on August 21, 2006.

Q: What is Clayton Internal Medicine, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since August 21, 2006

222 S WOODS MILL RD, STE 520N, CHESTERFIELD, MO 63017(314) 205-6839(314) 576-2393 Get Directions Write a Review

NPPES record last updated: November 27, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Clayton Internal Medicine, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CLAYTON INTERNAL MEDICINE, LLC (NPI 1487769931) is a healthcare organization registered as an internal medicine in Chesterfield, Missouri and active in the NPI registry since August 2006. The organization lists Rick Sonne, Director, as its authorized official.

NPPES Registry Identity

NPI1487769931

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameCLAYTON INTERNAL MEDICINE, LLC

Location Address222 S WOODS MILL RD, STE 520NChesterfield, MO 63017-3625

Mailing Address232 S Woods Mill Rd, Attn: Rick SonneChesterfield, MO 63017-3417 · (314) 576-4290

Phone(314) 205-6839

Fax(314) 576-2393

Organization SubpartYesParent: St. Luke's Medical Group

Authorized OfficialRick SonneDirector · (314) 576-2490

Enumeration DateAugust 21, 2006

Last NPPES UpdateNovember 27, 2007

✔ NPI 1487769931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

222 S WOODS MILL RD, Chesterfield, MO 63017

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Other Identifiers 1

OtherDE0586MO · Rr Medicare

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. KIMBERLY C GRUNZINGER MSN, RN, ACNS-BC

Clinical Nurse Specialist (Adult Health)

222 S WOODS MILL RD, SUITE 480 N
CHESTERFIELD, MO 63017

St. Louis County (314) 576-7343

RACHEL LYNN FISHMAN OIKNINE M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

222 S WOODS MILL RD, SUITE 410N
CHESTERFIELD, MO 63017

St. Louis County (314) 469-6224

MARYLAND MEDICAL GROUP LTD

Internal Medicine

222 S WOODS MILL RD, SUITE 350N
CHESTERFIELD, MO 63017

St. Louis County (314) 205-6557

MARIA THERESA WEIR

Nurse Practitioner (Adult Health)

222 S WOODS MILL RD, SUITE 410N
CHESTERFIELD, MO 63017

St. Louis County (314) 469-6224

JOHN BEST MD

Internal Medicine (Pulmonary Disease)

222 S WOODS MILL RD, SUITE 310 NORTH
CHESTERFIELD, MO 63017

St. Louis County (314) 576-6700

WEST COUNTY OPHTHALMOLOGY, INC

Ophthalmology

222 S WOODS MILL RD, SUITE 660N
CHESTERFIELD, MO 63017

St. Louis County (314) 878-9902

TARISAI SHARON NYAHODA MD

Internal Medicine (Geriatric Medicine)

222 S WOODS MILL RD
CHESTERFIELD, MO 63017

St. Louis County (314) 205-6050

ZOE LEYH DO

Internal Medicine (Infectious Disease)

222 S WOODS MILL RD
CHESTERFIELD, MO 63017

St. Louis County (314) 205-6050

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Clayton Internal Medicine, LLC's NPI number?

The NPI number for Clayton Internal Medicine, LLC is 1487769931. It was assigned to this organization in the NPPES registry on August 21, 2006.

Where is Clayton Internal Medicine, LLC located?

Clayton Internal Medicine, LLC is located at 222 S Woods Mill Rd Ste 520N, Chesterfield, MO 63017. The listed phone number is (314) 205-6839.

What is Clayton Internal Medicine, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Clayton Internal Medicine, LLC was last updated on November 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.