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

Individual provider Marriage & Family Therapist · NPI 1720266901

Mr. Douglas James Yost, MA is a Marriage & Family Therapist in Glendora, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

1122 E Route 66 Ste B
Glendora, CA 91740-3772
Phone: (626) 862-2061
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 49099 (CA)
Rehabilitation Practitioner Taxonomy 225400000X

Record details

NPI number1720266901
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorYes
NPI enumeratedFebruary 10, 2008
Last updated in NPPESJanuary 5, 2016

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