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Active NPI 1114069093 Individual Practitioner Male Practitioner

Dr. Marc I Oster , PsyD

Psychologist • Deerfield, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Marc Oster, PsyD is a certified Psychologist practicing in Deerfield, IL. With approximately 40 years of clinical experience since completing medical education in 1986, Dr. Oster delivers high-quality medical care to the local community at 707 LAKE COOK RD STE 120.

Dr. Oster is affiliated with Crosswinds Center For Personal And Professional Development, Pllc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

707 Lake Cook Rd Ste 120

Deerfield, IL 600154909

Telephone 8476041593
Fax 8475791055
Associated Practice Facility / Clinic
🏢 Quality Physical Therapy Pc Facility NPI 1225070469

Medicare Profile & Education

Medical School

Other

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Deerfield, IL

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
40 Yrs +1.0 yrs vs City Avg
City Avg: 39.0 Yrs
State Avg: 25.1 Yrs
Regional Practice Density
12 Specialists

Practicing in Deerfield, IL (1075 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Oster (40 Years) 40 Yrs
Deerfield Specialty Average (39.0 Years) 39.0 Yrs

Medical Specialties & State Licenses

Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Psychologist - Clinical

NUCC Taxonomy Code: 103TC0700X

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Psychologist - Health Service

NUCC Taxonomy Code: 103TH0100X

A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Hospital & Practice Group Affiliations

Crosswinds Center For Personal And Professional Development, Pllc

3125 A N Wilke Rd, Arlington Heights, IL 600041444

Phone: 8337107770

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners
NPI 1265931273

Doctor of Physical Therapy

Mannu Joseph , PT

Physical Therapist

NPI 1649927963

Physical Therapist

Viviene Francisco , PT

Physical Therapist

NPI 1841422730

Physical Therapist

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 11, 2025

Psychologist

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 707 LAKE COOK RD STE 120, DEERFIELD, IL 600154909 (Tel: 8476041593)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1954 FIRST ST #103, HIGHLAND PARK, IL 600353104 (Tel: 8476041593)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARC OSTER, PSY.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Psychologist

🟢
Initial NPI Registration & Enumeration February 13, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1114069093
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 13, 2007
Last Update: September 11, 2025
Sole Proprietor: Yes

Mailing Address

1954 First St #103

Highland Park, IL 600353104

Phone: 8476041593

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.