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

Mark Yellen

Individual provider Licensed Psychiatric Technician · NPI 1548727803

Mark Yellen is a Licensed Psychiatric Technician in San Luis Obispo, California. Practices as a sole proprietor. Registered with an NPI since 2019.

In the registry since
2019
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Practice location Address checks out

2178 Johnson Ave
San Luis Obispo, CA 93401-4535
Phone: (916) 317-0007
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Licensed Psychiatric Technician (primary) Taxonomy 167G00000X

Record details

NPI number1548727803
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 22, 2019
Last updated in NPPESFebruary 22, 2019

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