Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Duncan
Behavior Technician in Hanford, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1306335690
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Registry record
Entity type Individual (Type 1)
Name Mary Duncan
Sex Female
Practice address 530 W Lacey Blvd, Hanford, CA, 93230
Phone (818) 241-6780
Enumeration date May 2, 2018
Last updated in NPPES May 2, 2018
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
What is the NPI number for Mary Duncan?
The National Provider Identifier (NPI) for Mary Duncan is 1306335690, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Duncan practice?
The practice location on file with NPPES is in Hanford, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Stacy Meneses Behavior Analyst · Hanford, CA NPI 1487142998 Chase Bishop Behavior Technician · Hanford, CA NPI 1568949105 Juan Martin Behavior Technician · Hanford, CA NPI 1184104382 Danielle Solorio Behavior Technician · Hanford, CA NPI 1780249755 Twilatonya Johnson Behavior Technician · Hanford, CA NPI 1396397758 Jessica Mora Behavior Technician · Hanford, CA NPI 1083269930 Melonie Nigh Behavior Technician · Hanford, CA NPI 1194372979
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-02.