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Active NPI 1003375254 Individual Practitioner Male Practitioner

Dr. Brett Riederman , MD

Internal Medicine • Northbrook, IL

Professional Overview & Biography Verified Profile Summary

Dr. Brett Riederman, MD is a registered healthcare professional specializing in Internal Medicine in Northbrook, IL. Practice services are available at 40 SKOKIE BLVD. under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

40 Skokie Blvd.
Suite 110

Northbrook, IL 600621614

Telephone 2244074400
Fax 2244072255
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Northbrook, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 32.8 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
26 Specialists

Practicing in Northbrook, IL (7544 Statewide)

Telehealth Adoption Rate
7.7% 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: 2025-11-19
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 125.073830

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Practice Associates & Co-Workers

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

11 Associated Practitioners
Pascale Daou , FNP-BC

Nurse Practitioner - Family

NPI 1104597491

Family Nurse Practitioner (Board Certified)

NPI 1306825740

Doctor of Medicine (M.D.)

Lauren Bloomberg

Internal Medicine - Gastroenterology

NPI 1336776475
Dr. Claus Fimmel , MD

Internal Medicine - Gastroenterology

NPI 1568417780

Doctor of Medicine (M.D.)

Dr. Phillip Chung , MD

Internal Medicine - Gastroenterology

NPI 1639165947

Doctor of Medicine (M.D.)

Shayne Welch , PT

Physical Therapist

NPI 1689147720

Physical Therapist

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location November 19, 2025

Registered at 40 SKOKIE BLVD., SUITE 110, NORTHBROOK, IL 600621614 (Tel: 2244074400)

📍
Updated Business Mailing Address November 19, 2025

Registered at 950 TECHNOLOGY WAY, SUITE 250, LIBERTYVILLE, IL 600485366 (Tel: 2244074400)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2025

Internal Medicine (License #125.073830 in IL)

NPI Profile Active March 18, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location March 18, 2019

Registered at 251 E HURON ST, CHICAGO, IL 606113055 (Tel: 3129262000)

📍
Updated Business Mailing Address March 18, 2019

Registered at 251 E HURON ST, CHICAGO, IL 606113055 (Tel: 3129262000)

👤
Provider Name / Credentials Updated March 18, 2019

Recorded as BRETT RIEDERMAN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 18, 2019

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 18, 2019

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: 1003375254
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 18, 2019
Last Update: November 19, 2025
Sole Proprietor: No

Mailing Address

950 Technology Way, Suite 250

Libertyville, IL 600485366

Phone: 2244074400

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.