NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Donna S Stewart, M.S., CCC-SLP

Speech-Language Pathologist in Pittsburgh, PA · enumerated 2006.

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

National Provider Identifier

1164593570

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Donna S Stewart
Credential M.S., CCC-SLP
Sex Female
Practice address 1401 Forbes Ave, Suite 201, Pittsburgh, PA, 15219
Enumeration date Nov 10, 2006
Last updated in NPPES Dec 6, 2011

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License SL000947L (PA) Primary

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

What is the NPI number for Donna Stewart?
The National Provider Identifier (NPI) for Donna Stewart is 1164593570, a Type 1 (individual) record in the CMS NPPES registry.
Where does Donna Stewart practice?
The practice location on file with NPPES is in Pittsburgh, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →
Bio-Medical Applications of Pennsylavania, Inc. End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Pittsburgh, PA NPI 1801849443 Three Rivers Nephrology & Betts C Ross Member Nephrology Physician · Pittsburgh, PA NPI 1912925819 Kathryn Garrett Speech-Language Pathologist · Pittsburgh, PA NPI 1942212436 Bio-Medical Applications of Pennsylvania, Inc. End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Pittsburgh, PA NPI 1467557249 W F Odonnell, MD & Associates, Ltd Urology Physician · Pittsburgh, PA NPI 1013094630 Fresenius Medical Care Comprehensive Ckd Services Inc End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Pittsburgh, PA NPI 1538337894 Christi Dhayanandhan Nephrology Physician · Pittsburgh, PA NPI 1639330608 Deborah Witkowski Speech-Language Pathologist · Pittsburgh, PA NPI 1740571025

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-06.