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

Dr. John Michael Warrington, PHD

Individual provider Psychologist · NPI 1639188535

Dr. John Michael Warrington, PHD is a Psychologist in Duarte, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

931 Buena Vista St Ste 307
Duarte, CA 91010-1712
Phone: (626) 548-6122
Fax: (626) 236-4084
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY 20819 (CA)

Record details

NPI number1639188535
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 7, 2006
Last updated in NPPESMarch 15, 2016
Mailing address968 Buena Vista St, Duarte, CA 91010-1717

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