Provider Profile
John E. Leffel, PsyD, L.C.P. is a psychologist — clinical based in Skokie, IL. According to Medicare claims data, John cared for 97 Medicare patients across 2,157 services. The services billed most often include psychotherapy, 45 minutes, evaluation of psychological test, each additional hour, and psychotherapy, 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
7903 LOWELL AVE
Skokie, IL 60076
Within Clinical Psychology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Abuse & trauma
Addiction
Anxiety
Behavioral
Child & adolescent
Cognitive
Dissociative
Eating & Body Image
Health & Pain
Identity
Interpersonal
Life transitions
Mood & Emotion
Neurodevelopmental
Personal Growth
Personality
Self-harm & crisis
Sensory & neurological
Severe mental illness
Sleep
Stress & Lifestyle
Stress & lifestyle
Work & identity
Most searched procedures
Assessments
Behavioral Interventions
Brain-based therapies
Child & adolescent
Crisis & safety
Group Programs
Individual therapy
Interpersonal
Mind-Body
Parenting & Support
Psychodynamic & Integrative
Relationship & family
Skill building
Sleep & Health
Specialized therapy
Stress & Lifestyle
Testing & evaluation
Therapy formats
Trauma therapy
2,157 services · 97 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
1,961 |
| Evaluation of psychological test, each additional hour | Treatment | 96131 |
140 |
| Psychotherapy, 30 minutes | Treatment | 90832 |
34 |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
22 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John E. Leffel, PsyD is a psychologist in Skokie, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
John E. Leffel, PsyD is listed at 7903 Lowell Ave, Skokie, IL 60076. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (917) 403-4631. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
John E. Leffel, PsyD's National Provider Identifier is 1205146958. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
John E. Leffel, PsyD attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
John E. Leffel, PsyD has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John E. Leffel, PsyD provides treatments such as psychotherapy, 45 minutes and evaluation of psychological test, each additional hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by John E. Leffel, PsyD. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.