Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carlyle Anderson Stewart, MD

Internal Medicine Physician in Plano, TX · enumerated 2006.

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

National Provider Identifier

1821104381

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Registry record

Entity type Individual (Type 1)

Name Carlyle Anderson Stewart

Credential MD

Sex Male

Practice address 6124 W Parker Rd Ste 338, Plano, TX, 75093

Phone (972) 981-7210

Fax (972) 981-7211

Enumeration date Aug 21, 2006

Last updated in NPPES Aug 1, 2014

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License G4057 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0985202-03	Medicaid	TX	-
8R1950	Other	TX	BCBS

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

Where does Carlyle Stewart practice?

The practice location on file with NPPES is in Plano, TX. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Carlyle Stewart?

The National Provider Identifier (NPI) for Carlyle Stewart is 1821104381, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-01.