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

Mary Ellen S Hays, MSW, LCSW

Individual provider Clinical Social Worker · NPI 1336670439

Mary Ellen S Hays, MSW, LCSW is a Clinical Social Worker in Prescott, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2017
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

1560 Eagle Point Dr
Prescott, AZ 86301-5448
Phone: (928) 273-8787
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCSW-15509 (AZ)

Record details

NPI number1336670439
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedMarch 21, 2017
Last updated in NPPESMarch 21, 2017

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