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

Dr. William A Hilgendorf, PHD

Individual provider Psychologist · NPI 1265439921

Dr. William A Hilgendorf, PHD is a Clinical Psychologist in Carmel, Indiana. Graduated from University of Wisconsin School of Medicine in 1988, 38 years ago. Practices with University Surgeons Inc, a 128-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
38
Trained at
University of Wisconsin School of Medicine
Licensed in
IN
In the registry since
2005
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

11725 N Illinois St Ste 3501
Carmel, IN 46032-3008
Phone: (317) 688-2647
Fax: (317) 688-2921
Show map & directions

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

Additional practice locations (2)

  • 11725 Illinois St, Carmel, IN 46032-3008 — (317) 688-4864
  • 9135 N Meridian St Ste A6, Indianapolis, IN 46260-1815 — (317) 445-9623

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 20040359A (IN)
Psychologist Taxonomy 103T00000X · Licence 20040359A (IN)

Record details

NPI number1265439921
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 7, 2005
Last updated in NPPESOctober 19, 2021
Certification dateOctober 19, 2021
Mailing address250 N Shadeland Ave, Indianapolis, IN 46219-4959

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice University Surgeons Inc — 128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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