Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Marcus Elias Crespo
Behavior Technician in Gilroy, CA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891401345
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Registry record
Entity type Individual (Type 1)
Name Mr. Marcus Elias Crespo
Sex Male
Practice address 7800 Arroyo Cir Ste B, Gilroy, CA, 95020
Phone (877) 910-6538
Enumeration date Jan 27, 2023
Last updated in NPPES Jan 27, 2023
Taxonomy & licenses
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 Marcus Crespo practice?
The practice location on file with NPPES is in Gilroy, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marcus Crespo?
The National Provider Identifier (NPI) for Marcus Crespo is 1891401345, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Diego Camarena Behavior Technician · Gilroy, CA NPI 1326605502 Alicia Mahan Occupational Therapist · Gilroy, CA NPI 1114563715 Mariko Okamoto Specialist · Gilroy, CA NPI 1568163103 Eliza Onate Behavior Technician · Gilroy, CA NPI 1265128649 Lisbeth Ramirez Behavior Technician · Gilroy, CA NPI 1427834787 Reginald Whitehead Behavior Technician · Gilroy, CA NPI 1447055355 Veronica-Cipiana Alvarez Behavior Technician · Gilroy, CA NPI 1366244378 Aaron Fonseca-Phillips Behavior Technician · Gilroy, CA NPI 1215438346
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-27.