Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Rehab in Action, LLC

Physical Medicine & Rehabilitation Physician in Chesterfield, MO · enumerated 2014 · authorized official Mariam Chowdhry, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1033512017

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Registry record

Entity type Organization (Type 2)

Legal business name Rehab in Action, LLC

Practice address 14709 Olive Blvd, Chesterfield, MO, 63017

Phone (314) 317-5803

Fax (314) 317-5948

Enumeration date Oct 3, 2014

Last updated in NPPES Jan 9, 2015

Taxonomy & classification

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Mariam Chowdhry

Title President

Phone (314) 317-5803

Other identifiers

Identifier	Type	State	Issuer
1215108337	Medicaid	MO	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2015-01-09. Verify at npiregistry.cms.hhs.gov.

Where is Rehab in Action, LLC located?

The practice location on file with NPPES is in Chesterfield, MO.

Providers at this address

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St. Luke'S Rehabilitation Hospital, L.L.C. Rehabilitation Hospital · Chesterfield, MO NPI 1255587747 Kathryn Zigarowicz Physical Therapist · Chesterfield, MO NPI 1144866260

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-01-09.