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

Dr. Gary Steven Aumiller, PHD

Individual provider Forensic Psychologist · NPI 1144490731

Dr. Gary Steven Aumiller, PHD is a Clinical Psychologist in Georgetown, Delaware. Qualified in 1983, 43 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Delaware and New York.

Years since qualifying
43
Licensed in
DE, NY
In the registry since
2008
Specialties on file
6
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

27 Rowland Way
Georgetown, DE 19947-3812
Phone: (631) 624-4916
Fax: (631) 731-2310
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 8117-1 (NY)
Forensic Psychologist Taxonomy 103TF0200X · Licence 8771-1 (NY)
Clinical Psychologist Taxonomy 103TC0700X · Licence B1-0011453 (DE)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence B1-0011453 (DE)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence B1-0011453 (DE)
Psychologist Taxonomy 103T00000X · Licence B1-0011453 (DE)

Record details

NPI number1144490731
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 10, 2008
Last updated in NPPESJanuary 27, 2026
Certification dateJanuary 27, 2026
Mailing address27 Rowland Way, Georgetown, DE 19947-3812

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare