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

Sonia Marcus-Janssen

Individual provider Behavior Technician · NPI 1952876179

Sonia Marcus-Janssen is a Behavior Technician in Phoenix, Arizona. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

428 E Thunderbird Rd Ste 138
Phoenix, AZ 85022-5229
Phone: (888) 362-3970
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Technician (primary) Taxonomy 106S00000X

Record details

NPI number1952876179
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 4, 2018
Last updated in NPPESOctober 4, 2018
Mailing address268 Bush St Ste 3039, San Francisco, CA 94104-3503

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