Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Shirley Sanchez-Barretto, M.D.

Family Medicine Physician in Knox City, TX · enumerated 2006.

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

National Provider Identifier

1598715534

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Registry record

Entity type Individual (Type 1)

Name Shirley Sanchez-Barretto

Credential M.D.

Sex Female

Practice address 712 E South 5th St, Knox City, TX, 79529

Phone (940) 657-3906

Fax (940) 657-3909

Enumeration date May 11, 2006

Last updated in NPPES Jan 24, 2013

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License G7877 (TX) Primary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License G7877 (TX) Secondary

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
123203503	Medicaid	TX	-

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 Shirley Sanchez-Barretto?

The National Provider Identifier (NPI) for Shirley Sanchez-Barretto is 1598715534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Shirley Sanchez-Barretto practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-24.