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

Individual provider Clinical Psychologist · NPI 1336449859

Dr. Margaret W. Riddle, PHD is a Clinical Psychologist in Denver, Colorado. Practices as a sole proprietor. Licensed in Colorado.

Licensed in
CO
In the registry since
2010
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

3773 Cherry Creek North Dr East Tower Ste 925
Denver, CO 80209-3804
Phone: (303) 378-0605
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1284 (CO)

Record details

NPI number1336449859
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 1, 2010
Last updated in NPPESNovember 1, 2010

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