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

Dr. Ron Destefano, PHD

Individual provider Clinical Psychologist · NPI 1417173519

Dr. Ron Destefano, PHD is a Clinical Psychologist in Mill Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

342 Laverne Ave
Mill Valley, CA 94941-3434
Phone: (415) 383-3489
Fax: (415) 383-3489
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY7013 (CA)

Record details

NPI number1417173519
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 17, 2007
Last updated in NPPESJuly 8, 2007
Mailing address342 Laverne Ave, Mill Valley, CA 94941-3434

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