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

Mary Ann De Guzman, LCSW

Individual provider Counselor · NPI 1669011748

Mary Ann De Guzman, LCSW is a Clinical Social Worker in Phoenix, Arizona. Qualified in 2024, 2 years ago. Licensed in Arizona.

Years since qualifying
2
Licensed in
AZ
In the registry since
2020
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

650 E Indian School Rd
Phoenix, AZ 85012-1839
Phone: (602) 277-5551
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence 17508 (AZ)

Record details

NPI number1669011748
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJanuary 6, 2020
Last updated in NPPESJanuary 6, 2020
Certification dateJanuary 6, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Accepts Medicare assignment Not indicated

Other providers in Phoenix