Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Guillory, MD

Pediatric Critical Care Medicine Physician in San Antonio, TX · enumerated 2006.

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

National Provider Identifier

1083689780

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Registry record

Entity type Individual (Type 1)

Name Karen Guillory

Credential MD

Sex Female

Practice address 7700 Floyd Curl Dr, San Antonio, TX, 78229

Phone (210) 575-6919

Fax (210) 575-4013

Enumeration date Feb 17, 2006

Last updated in NPPES May 20, 2014

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License K1828 (TX) Secondary

2080P0203X Pediatric Critical Care Medicine Physician Allopathic & Osteopathic Physicians · License K1828 (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
8EA040	Other	TX	BCBS
105683007	Medicaid	TX	-
105683008	Other	TX	CSN

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 Karen Guillory?

The National Provider Identifier (NPI) for Karen Guillory is 1083689780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Guillory practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-20.