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

Dr. Mary Catherine Taylor Siebel, PHD

Individual provider Clinical Psychologist · NPI 1083779508

Dr. Mary Catherine Taylor Siebel, PHD is a Clinical Psychologist in Daly City, California. Qualified in 1977, 49 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
49
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

1500 Southgate Ave Ste 301
Daly City, CA 94015-2259
Phone: (415) 455-9572
Fax: (650) 755-0410
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY7821 (CA)

Record details

NPI number1083779508
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 26, 2006
Last updated in NPPESFebruary 23, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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