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

Dr. William Michael Deihl, PHD

Individual provider Mental Health Counselor · NPI 1346123023

Dr. William Michael Deihl, PHD is a Mental Health Counselor in Phoenix, Arizona. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

14045 N 7th St Ste 2
Phoenix, AZ 85022-4387
Phone: (602) 314-1907
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1346123023
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 29, 2025
Last updated in NPPESAugust 5, 2025
Certification dateAugust 5, 2025

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