Doctor profile · Federal record
Dr. William Hilgendorf, PHD
Clinical Psychologist · Psychologist · Carmel, IN
- NPI 1265439921
- Accepts Medicare
- 38 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
11725 N Illinois St, Ste 3501
Carmel, IN 460323008
(317) 688-2647
fax (317) 688-2921 - Additional location
-
11725 Illinois St
Carmel, IN 460323008
(317) 688-4864 - Additional location
-
9135 N Meridian St Ste A6
Indianapolis, IN 462601815
(317) 445-9623
fax (317) 855-7246 - Mailing address
-
250 N Shadeland Ave
Indianapolis, IN 462194959
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- October 19, 2021
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- Indiana #20040359A
- Medicaid (2)
- IN #100337310B · IN #100337310
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265439921. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
19
Distinct HCPCS
1
Medicare allowed
$3,174
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90791 |
Psychiatric diagnostic evaluation | 19 | 19 | $167 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 46. This provider delivers 0.4× the peer median.Frequently asked questions
What is Dr. William Hilgendorf's medical specialty?
Dr. William Hilgendorf practices Clinical Psychologist in Carmel, IN.
Where does Dr. William Hilgendorf practice?
Dr. William Hilgendorf practices at 11725 N Illinois St, Carmel, IN 460323008. Office phone: 3176882647.
What is Dr. William Hilgendorf's NPI?
Dr. William Hilgendorf's National Provider Identifier (NPI) is 1265439921, issued by NPPES.
Does Dr. William Hilgendorf accept Medicare assignment?
Yes. Dr. William Hilgendorf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hilgendorf commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.