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

Gregory Leo Gullickson, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1023120276

Gregory Leo Gullickson, PHD is a Clinical Psychologist in Iowa City, Iowa. Qualified in 1993, 33 years ago. Practices with State University of Iowa, a 1,885-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Iowa.

Years since qualifying
33
Licensed in
IA
In the registry since
2006
Specialties on file
4
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

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone: (319) 356-4200
Fax: (319) 353-8383
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 7 Stuit Hall, Iowa City, IA 52242 — (319) 335-2467

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 00314 (IA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 00314 (IA)
Counseling Psychologist Taxonomy 103TC1900X · Licence 00772 (IA)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence 00314 (IA)

Record details

NPI number1023120276
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESNovember 10, 2023
Certification dateNovember 10, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice State University Of Iowa — 1885 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients32
Services billed 195 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at State University of Iowa

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1885 clinicians in the practice; 12 are shown here.

Other providers in Iowa City