Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1265585863 Individual Practitioner Male Practitioner

Dr. Leon Gussow , MD

Internal Medicine • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Dr. Leon Gussow, MD is a registered healthcare professional specializing in Internal Medicine in Chicago, IL. Practice services are available at 1740 W TAYLOR ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1740 W Taylor St
Dept 3466

Chicago, IL 606127232

Telephone 3127042885
Fax 3127042737
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.8 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
2969 Specialists

Practicing in Chicago, IL (7544 Statewide)

Telehealth Adoption Rate
12.8% 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

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

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.

Emergency Medicine

NUCC Taxonomy Code: 207P00000X

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Practice Associates & Co-Workers

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

20 Associated Practitioners
NPI 1023038783

Doctor of Medicine (M.D.)

Dr. Thomas Layden , MD

Internal Medicine - Gastroenterology

NPI 1093835274

Doctor of Medicine (M.D.)

Dr. Kurian Thomas , MD

Psychiatry & Neurology - Neurology

NPI 1184631087

Doctor of Medicine (M.D.)

NPI 1184668204

Doctor of Medicine (M.D.)

Dr. Marc Singer , MD

Colon & Rectal Surgery

NPI 1194732909

Doctor of Medicine (M.D.)

Dr. Vladimir Vidanovic , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1366459562

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1740 W TAYLOR ST, DEPT 3466, CHICAGO, IL 606127232 (Tel: 3127042885)

📍
Updated Business Mailing Address July 08, 2007

Registered at 710 W BUENA AVE, # 2W, CHICAGO, IL 606132222 (Tel: 7739353746)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as LEON GUSSOW, M.D.

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

Emergency Medicine

🟢
Initial NPI Registration & Enumeration January 19, 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: 1265585863
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 19, 2007
Last Update: September 11, 2025
Sole Proprietor: No

Mailing Address

710 W Buena Ave, # 2w

Chicago, IL 606132222

Phone: 7739353746

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.