Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Gregory S Chasson, PHD

Individual provider Clinical Psychologist · NPI 1629239629

Gregory S Chasson, PHD is a Clinical Psychologist in Oak Park, Illinois. Qualified in 2008, 18 years ago. Practices with The University of Chicago Medical Center, a 909-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
18
Licensed in
MD
In the registry since
2008
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

1010 Lake St Ste 428
Oak Park, IL 60301-1185 Not confirmed with CMS for 10 years — call before visiting
Phone: (312) 386-7511
Fax: (844) 633-7262
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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 04754 (MD)

Record details

NPI number1629239629
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 23, 2008
Last updated in NPPESAugust 8, 2016

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice The University Of Chicago Medical Center — 909 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at The University of Chicago Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 909 clinicians in the practice; 12 are shown here.

Other providers in Oak Park