Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1508663170 Individual Practitioner Female Practitioner

Dr. Kelsey Mullen , PsyD

Psychologist • Northbrook, IL

Professional Overview & Biography Verified Profile Summary

Dr. Kelsey Mullen, PsyD is a registered healthcare professional specializing in Psychologist in Northbrook, IL. Practice services are available at 900 SKOKIE BLVD STE 255 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

900 Skokie Blvd Ste 255

Northbrook, IL 600624054

Telephone 3128700120
Associated Practice Facility / Clinic
🏢 Natalia Kaczmarek Pllc Facility NPI 1982193835

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Northbrook, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 18.5 Yrs
State Avg: 25.1 Yrs
Regional Practice Density
28 Specialists

Practicing in Northbrook, 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

Medical Specialties & State Licenses

CMS Verified: 2025-02-28
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.

Practice Associates & Co-Workers

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

10 Associated Practitioners
Staci Zerphey , LCPC, ATR

Counselor - Mental Health

NPI 1114542040

Licensed Clinical Professional Counselor, ATR

Guylaine Herzig , MS, MA, LCPC

Counselor - Mental Health

NPI 1184387359

Master of Science, Master of Arts, Licensed Clinical Professional Counselor

NPI 1215466032

Doctor of Psychology (Psy.D.)

Simone Gillon , LSW

Social Worker - Clinical

NPI 1316668205

Licensed Social Worker

NPI 1447099296

Master of Social Work

Aracely Hernandez , MA, NCC

Counselor - Professional

NPI 1629787148

Master of Arts, National Certified Counselor

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active February 28, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location February 28, 2025

Registered at 900 SKOKIE BLVD STE 255, NORTHBROOK, IL 600624054 (Tel: 3128700120)

📍
Updated Business Mailing Address February 28, 2025

Registered at 900 SKOKIE BLVD STE 255, NORTHBROOK, IL 600624054 (Tel: 3128700120)

👤
Provider Name / Credentials Updated February 28, 2025

Recorded as KELSEY MULLEN, PSYD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 28, 2025

Psychologist

🟢
Initial NPI Registration & Enumeration February 28, 2025

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: 1508663170
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 28, 2025
Last Update: February 28, 2025
Sole Proprietor: No

Mailing Address

900 Skokie Blvd Ste 255

Northbrook, IL 600624054

Phone: 3128700120

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.