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

Mr. Ronald Mah, MA

Individual provider Mental Health Counselor · NPI 1821022591

Mr. Ronald Mah, MA is a Mental Health Counselor in San Leandro, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

433 Estudillo Ave Ste 305
San Leandro, CA 94577-4915
Phone: (510) 614-5641
Fax: (510) 889-6553
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence MFC32136 (CA)

Record details

NPI number1821022591
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorYes
NPI enumeratedJuly 10, 2006
Last updated in NPPESJuly 15, 2007

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