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

Individual provider Clinical Neuropsychologist · NPI 1487718235

Mr. Ronald Ruff, PHD is a Clinical Neuropsychologist in San Francisco, 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.

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Practice location Address checks out

909 Hyde St Ste 620
San Francisco, CA 94109-4822
Phone: (415) 771-7833
Fax: (415) 922-5849
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence PSY 7059 (CA)

Record details

NPI number1487718235
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 19, 2006
Last updated in NPPESJuly 8, 2007

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