Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Theresa Hoang Thuy Bach, PHARMD.
Pharmacist in San Marcos, CA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740501147
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Registry record
Entity type Individual (Type 1)
Name Theresa Hoang Thuy Bach
Credential PHARMD.
Sex Female
Practice address 121 S Rancho Santa Fe Rd, San Marcos, CA, 92078
Phone (760) 744-2583
Enumeration date Jun 20, 2010
Last updated in NPPES Jun 20, 2010
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD 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 Bach practice?
The practice location on file with NPPES is in San Marcos, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Theresa Bach?
The National Provider Identifier (NPI) for Theresa Bach is 1740501147, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-20.