Doctor profile · Federal record
Dr. John Leffel, PSY.D., L.C.P.
Clinical Psychologist · Skokie, IL
- NPI 1205146958
- Accepts Medicare
- 17 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7903 Lowell Ave
Skokie, IL 600763537
(917) 403-4631
Credentials & registration
- NPI registered
- October 2010 — 16 yrs on file
- Profile last updated
- May 3, 2022
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- Illinois #071.008161
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205146958. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,056
Distinct HCPCS
3
Medicare allowed
$209,346
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 1,935 | 46 | $102 | |
90832 |
Psychotherapy, 30 minutes | 70 | 21 | $76 | |
90837 |
Psychotherapy, 1 hour | 51 | 28 | $149 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 379. This provider delivers 5.4× the peer median.Frequently asked questions
What is Dr. John Leffel's medical specialty?
Dr. John Leffel practices Clinical Psychologist in Skokie, IL.
Where does Dr. John Leffel practice?
Dr. John Leffel practices at 7903 Lowell Ave, Skokie, IL 600763537. Office phone: 9174034631.
What is Dr. John Leffel's NPI?
Dr. John Leffel's National Provider Identifier (NPI) is 1205146958, issued by NPPES.
Does Dr. John Leffel accept Medicare assignment?
Yes. Dr. John Leffel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Leffel commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90832); Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.