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

Dr. Mark R Naas, PSY

Individual provider Psychologist · NPI 1427156850

Dr. Mark R Naas, PSY is a Psychologist in Oakland, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006

Practice location Address checks out

3873 Piedmont Ave Ste 2
Oakland, CA 94611-5367
Phone: (925) 203-5810
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY19156 (CA)

Record details

NPI number1427156850
Entity typeIndividual (Type 1)
GenderMale
Credentials PSY
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESMarch 14, 2024
Certification dateMarch 14, 2024

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