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

Individual provider Clinical Psychologist · NPI 1801925136

Mark R Zitlin, PHD is a Clinical Psychologist in San Antonio, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2007
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

4901 Broadway St Ste 100
San Antonio, TX 78209-5734
Phone: (210) 822-5795
Fax: (210) 822-5935
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 2-4460 (TX)

Record details

NPI number1801925136
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 4, 2007
Last updated in NPPESJuly 8, 2007

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