Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Theresa Castillo, RPH
Pharmacist in San Antonio, TX · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619332699
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Registry record
Entity type Individual (Type 1)
Name Theresa Castillo
Credential RPH
Sex Female
Practice address 18140 San Pedro Ave, San Antonio, TX, 78232
Phone (210) 490-5795
Fax (210) 490-8207
Enumeration date Dec 17, 2015
Last updated in NPPES Dec 17, 2015
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH 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 Theresa Castillo practice?
The practice location on file with NPPES is in San Antonio, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Theresa Castillo?
The National Provider Identifier (NPI) for Theresa Castillo is 1619332699, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Mary Morris Pharmacist · San Antonio, TX NPI 1396050795 Brandon Woodward Pharmacist · San Antonio, TX NPI 1114267069 Cristela Rios Pharmacist · San Antonio, TX NPI 1962098475 Alyssa Storb Pharmacy Technician · San Antonio, TX NPI 1447849815 Laura Piper Pharmacy Technician · San Antonio, TX NPI 1831778380 Kimberly Shanahan Pharmacist · San Antonio, TX NPI 1497335079 Sadi Alonzo Pharmacist · San Antonio, TX NPI 1730853961 Marcus Flores Pharmacy Technician · San Antonio, TX NPI 1366117921
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-12-17.