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

Individual provider Clinical Psychologist · NPI 1548542186

Mark Gregory Iszak, PSYD is a Clinical Psychologist in Bingham Farms, Michigan. Practices as a sole proprietor and works from 3 locations. Licensed in Illinois and Michigan.

Licensed in
IL, MI
In the registry since
2011
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

30150 Telegraph Rd Ste 245
Bingham Farms, MI 48025
Phone: (800) 693-1916
Fax: (248) 605-3525
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 30150 Telegraph Rd Ste 245, Bingham Farms, MI 48025 — (800) 693-1916
  • 11470 S Leelanau Hwy Ste 109, Empire, MI 49630-9701 — (773) 991-3661

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6301014853 (MI)
Clinical Psychologist Taxonomy 103TC0700X · Licence 071008523 (IL)

Record details

NPI number1548542186
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedSeptember 9, 2011
Last updated in NPPESSeptember 20, 2018

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