Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1023175833 Individual Practitioner Male Practitioner

Dr. John S Weitzner , MD

Specialist • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Dr. John Weitzner, MD is a registered healthcare professional specializing in Specialist in Chicago, IL. Practice services are available at 1725 W HARRISON ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1725 W Harrison St
Suite 838

Chicago, IL 606123841

Telephone 3124212010
Fax 3129422233
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 42.5 Yrs
State Avg: 38.5 Yrs
Regional Practice Density
270 Specialists

Practicing in Chicago, IL (1322 Statewide)

Telehealth Adoption Rate
1.9% 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

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Marta Batus , MD

Internal Medicine - Medical Oncology

NPI 1003087768

Doctor of Medicine (M.D.)

Dr. Kenneth Boyer , MD

Pediatrics - Pediatric Infectious Diseases

NPI 1003847393

Doctor of Medicine (M.D.)

Dr. David Ansell , MD

Internal Medicine

NPI 1003918004

Doctor of Medicine (M.D.)

Dr. Janice Dieschbourg , MD

Radiology - Diagnostic Radiology

NPI 1013028323

Doctor of Medicine (M.D.)

Ashley Okray , PA

Physician Assistant - Medical

NPI 1013312818

Physician Assistant

NPI 1013965102

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 1725 W HARRISON ST, SUITE 838, CHICAGO, IL 606123841 (Tel: 3124212010)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1725 W HARRISON ST, SUITE 838, CHICAGO, IL 606123841 (Tel: 3124212010)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN WEITZNER, MD

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

Specialist

🟢
Initial NPI Registration & Enumeration January 02, 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: 1023175833
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 02, 2007
Last Update: July 08, 2007
Sole Proprietor: Yes

Mailing Address

1725 W Harrison St, Suite 838

Chicago, IL 606123841

Phone: 3124212010

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.