Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHEN J KELLY MD
NPI 1851331896
Internal Medicine - Pulmonary Disease in Saint Louis, MO

Active since June 07, 2006
6420 CLAYTON RD, SAINT LOUIS, MO 63117(314) 768-8000(314) 768-8011 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Stephen J Kelly Md NPPES

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

STEPHEN J KELLY MD (NPI 1851331896) is an individual pulmonary disease provider in Saint Louis, Missouri, licensed in Missouri (R9G06) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1851331896
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameSTEPHEN J KELLYCredential: MD
Location Address6420 CLAYTON RDSaint Louis, MO 63117-1811
Mailing Address1836 Lackland Hill Pkwy, Attn: Credentialing OfficeSaint Louis, MO 63146-3572 · (314) 989-0300
Fax(314) 768-8011
Sole ProprietorNo
Enumeration DateJune 7, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1851331896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in MO · R9G06
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
6420 CLAYTON RD, Saint Louis, MO 63117

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.

Pharmacist
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
Registered Nurse
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
Dietitian, Registered
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
Pathology (Anatomic Pathology & Clinical Pathology)
6420 CLAYTON RD
SAINT LOUIS, MO 63117
Dietitian, Registered
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
Occupational Therapist
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
Student in an Organized Health Care Education/Training Program
6420 CLAYTON RD
SAINT LOUIS, MO 63117
Nurse Anesthetist, Certified Registered
6420 CLAYTON RD
SAINT LOUIS, MO 63117

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 Stephen Kelly's NPI number?

The NPI number for Stephen Kelly is 1851331896. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Stephen Kelly located?

Stephen Kelly practices at 6420 Clayton Rd, Saint Louis, MO 63117. The listed phone number is (314) 768-8000.

What is Stephen Kelly's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

When was this NPI record last updated?

The NPPES record for Stephen Kelly was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.