Doctor profile · Federal record
Dr. Andrew Shack, PH.D.
Clinical Psychologist · Oak Park, IL
- NPI 1659327229
- Accepts Medicare
- 27 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1103 Westgate St, Suite 200
Oak Park, IL 603011088
(708) 386-8112
fax (708) 383-4298
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 27, 2014
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- Illinois #071-006231
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659327229. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
248
Distinct HCPCS
1
Medicare allowed
$25,223
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 248 | 11 | $102 |
In context: peer comparison
Among 3 peers in Oak Park Clinical Psychologist, average services per provider: 201. This provider delivers 1.2× the peer median.Frequently asked questions
What is Dr. Andrew Shack's medical specialty?
Dr. Andrew Shack practices Clinical Psychologist in Oak Park, IL.
Where does Dr. Andrew Shack practice?
Dr. Andrew Shack practices at 1103 Westgate St, Oak Park, IL 603011088. Office phone: 7083868112.
What is Dr. Andrew Shack's NPI?
Dr. Andrew Shack's National Provider Identifier (NPI) is 1659327229, issued by NPPES.
Does Dr. Andrew Shack accept Medicare assignment?
Yes. Dr. Andrew Shack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Shack commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.