Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1548324502 Deactivated / Inactive NPI Male Practitioner

Dr. Daniel Rataj , PhD

Psychologist - Clinical • Wheaton, IL

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Daniel Rataj has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date December 21, 2006
NPI Deactivation Date October 16, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Daniel Rataj, PhD was a registered Psychologist - Clinical practicing in Wheaton, IL. Throughout an active medical career spanning 19 years, Dr. Rataj provided care at the practice location at 1800 N MAIN ST until profile deactivation on 2025-10-16.

Practice Location & Contact Primary Location

Practice Address

1800 N Main St

Wheaton, IL 601873112

Telephone 6306656200
Associated Practice Facility / Clinic
🏢 Dupage Medical Group, Ltd. Facility NPI 1457596124

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist - Clinical in Wheaton, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.7 Yrs
State Avg: 24.2 Yrs
Regional Practice Density
62 Specialists

Practicing in Wheaton, IL (4140 Statewide)

Telehealth Adoption Rate
22.6% 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

Psychologist - Clinical Primary Specialty

NUCC Taxonomy Code: 103TC0700X

State License IL 071007018

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.

Practice Associates & Co-Workers

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

6 Associated Practitioners
Dr. Ashley Martin , MD

Family Medicine - Geriatric Medicine

NPI 1063451292

Doctor of Medicine (M.D.)

Dr. Maryanne Miller , MD

Internal Medicine

NPI 1275500613

Doctor of Medicine (M.D.)

Dr. James Scruggs , MD

Internal Medicine

NPI 1407824089

Doctor of Medicine (M.D.)

Dr. Stephen Pierson , MD

Internal Medicine

NPI 1518935360

Doctor of Medicine (M.D.)

Dr. James Boyer , DO

Internal Medicine

NPI 1801452073

Doctor of Osteopathic Medicine (D.O.)

Lauren Cruz , FNP

Nurse Practitioner

NPI 1922714658

Family Nurse Practitioner

Career & Practice History Timeline

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

7 Historical Events
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NPI Profile Deactivated October 16, 2025

Record deactivated on October 16, 2025

NPI Profile Active November 21, 2008

NPI status registered as active in NPPES database

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Updated Practice Location November 21, 2008

Registered at 1800 N MAIN ST, WHEATON, IL 601873112 (Tel: 6306656200)

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Updated Business Mailing Address November 21, 2008

Registered at 1860 PAYSPHERE CIR, CHICAGO, IL 606740018

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Provider Name / Credentials Updated November 21, 2008

Recorded as DANIEL RATAJ, PH.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) November 21, 2008

Psychologist (License #071007018 in IL)

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Initial NPI Registration & Enumeration December 21, 2006

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: 1548324502
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 21, 2006
Last Update: November 21, 2008
Deactivation Date: October 16, 2025

Mailing Address

1860 Paysphere Cir

Chicago, IL 606740018

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

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