Doctor profile · Federal record
Dr. Mary Yerkes, PH.D.
Clinical Psychologist · Palos Park, IL
- NPI 1649263823
- Accepts Medicare
- 39 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
11900 Southwest Hwy Ste 202
Palos Park, IL 604641200
(708) 986-5168
fax (844) 464-0739 - Additional location
-
5001 W 95Th St
Oak Lawn, IL 604532401
(708) 424-5355
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- November 28, 2022
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- Illinois #071004207
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649263823. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
125
Distinct HCPCS
1
Medicare allowed
$12,345
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 125 | 12 | $99 |
In context: peer comparison
Among 1 peers in Palos Park Clinical Psychologist, average services per provider: 125. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Mary Yerkes's medical specialty?
Dr. Mary Yerkes practices Clinical Psychologist in Palos Park, IL.
Where does Dr. Mary Yerkes practice?
Dr. Mary Yerkes practices at 11900 Southwest Hwy Ste 202, Palos Park, IL 604641200. Office phone: 7089865168.
What is Dr. Mary Yerkes's NPI?
Dr. Mary Yerkes's National Provider Identifier (NPI) is 1649263823, issued by NPPES.
Does Dr. Mary Yerkes accept Medicare assignment?
Yes. Dr. Mary Yerkes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Yerkes commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.