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

Individual provider Mental Health Counselor · NPI 1740673144

Dr. William Roozeboom, PHD, AMFT is a Mental Health Counselor in Rancho Cucamonga, California. Practices as a sole proprietor and works from 2 locations. Registered with an NPI since 2015.

In the registry since
2015
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

9220 Haven Ave Ste 240
Rancho Cucamonga, CA 91730-8551
Phone: (909) 257-8461
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5827 Pine Ave Ste B, Chino Hills, CA 91709-6534 — (909) 597-2226

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X
Mental Health Counselor Taxonomy 101YM0800X
Pastoral Counselor Taxonomy 101YP1600X

Record details

NPI number1740673144
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , AMFT
Sole proprietorYes
NPI enumeratedMarch 9, 2015
Last updated in NPPESJuly 15, 2024
Certification dateJuly 15, 2024

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