Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Guadalupe Barrientos Jr., RN
Registered Nurse in Mcallen, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598737561
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Registry record
Entity type Individual (Type 1)
Name Guadalupe Barrientos Jr.
Credential RN
Sex Male
Practice address 500 E. Ridge Road, Suite 300, Mcallen, TX, 78503
Phone (956) 630-5522
Fax (956) 926-4350
Enumeration date Feb 3, 2006
Last updated in NPPES Jan 29, 2009
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
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.
Frequently asked questions
Where does Guadalupe Barrientos practice?
The practice location on file with NPPES is in Mcallen, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Guadalupe Barrientos?
The National Provider Identifier (NPI) for Guadalupe Barrientos is 1598737561, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-01-29.