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

Prof. Mark Francis Lenzenweger, PHD

Individual provider Clinical Psychologist · NPI 1346402765

Prof. Mark Francis Lenzenweger, PHD is a Clinical Psychologist in Ithaca, New York. Practices as a sole proprietor. Licensed in Massachusetts and New York.

Licensed in
MA, NY
In the registry since
2008
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

122A W Buffalo St
Ithaca, NY 14850
Phone: (607) 777-7148
Fax: (607) 777-4890
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 009577 (NY)
Clinical Psychologist Taxonomy 103TC0700X · Licence 7378 (MA)

Record details

NPI number1346402765
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 26, 2008
Last updated in NPPESJune 26, 2008
Mailing address420 Utica St, Ithaca, NY 14850-3640

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