Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Harrington
Behavior Analyst in Dublin, CA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1750827564
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Registry record
Entity type Individual (Type 1)
Name Mark Harrington
Sex Male
Practice address 6475 Sierra Ln, Dublin, CA, 94568
Phone (925) 462-2281
Fax (925) 462-0439
Enumeration date Jan 18, 2017
Last updated in NPPES Jan 18, 2017
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-16-22655 Primary
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
What is the NPI number for Mark Harrington?
The National Provider Identifier (NPI) for Mark Harrington is 1750827564, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Harrington practice?
The practice location on file with NPPES is in Dublin, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Zoe Cronin Behavior Technician · Dublin, CA NPI 1497163919 Priti Nagaraj Behavior Analyst · Dublin, CA NPI 1699156455 Trier Perry Behavior Technician · Dublin, CA NPI 1447782388 Danielle Hernandez Behavior Analyst · Dublin, CA NPI 1629500376 Zhanna Thompson Behavior Analyst · Dublin, CA NPI 1750815858 Patricia Kamlley Behavior Technician · Dublin, CA NPI 1942737218 Ciara Kamper Behavior Technician · Dublin, CA NPI 1023523818 Galina O'Keefe Behavior Analyst · Dublin, CA NPI 1477069581
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-18.