Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John John Marcus

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1285363994

John John Marcus is an Addiction (Substance Use Disorder) Psychologist in Phoenix, Arizona. Registered with an NPI since 2022.

In the registry since
2022
Specialties on file
5

Practice location Address checks out

10828 W Elm St
Phoenix, AZ 85037-1091
Phone: (602) 561-4951
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X
Counseling Psychologist Taxonomy 103TC1900X
Assistant Behavior Analyst Taxonomy 106E00000X
Behavior Technician Taxonomy 106S00000X

Record details

NPI number1285363994
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 8, 2022
Last updated in NPPESJune 8, 2022
Certification dateJune 8, 2022

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