Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1205873106 Individual Practitioner Male Practitioner

Dr. William Charles Toepper , MD

Emergency Medicine • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Dr. William Toepper, MD is a registered healthcare professional specializing in Emergency Medicine in Chicago, IL. Practice services are available at 836 W WELLINGTON AVE under active NPI credentials.

Frequently performed procedures and clinical services include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, emergency department visit for life threatening or functioning severity, emergency department visit with moderate level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

836 W Wellington Ave

Chicago, IL 606575147

Telephone 7732967054
Associated Practice Facility / Clinic
🏢 Creticos Id Associates Sc Facility NPI 1538105390

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 13.9 Yrs
State Avg: 24.6 Yrs
Regional Practice Density
1335 Specialists

Practicing in Chicago, IL (3389 Statewide)

Telehealth Adoption Rate
1.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
80.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2017)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
44 43 $39.00 $8.20
99285 Emergency department visit for life threatening or functioning severity
39 38 $878.00 $169.62
99284 Emergency department visit with moderate level of medical decision making
24 24 $589.00 $115.11

Medical Specialties & State Licenses

Emergency Medicine Primary Specialty

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

25 Associated Practitioners
Sandra Leeson , PA-C

Physician Assistant

NPI 1013268812

Physician Assistant (Certified)

Dr. Rachel Zarling , MD

Emergency Medicine

NPI 1033520804

Doctor of Medicine (M.D.)

Dr. Rahul Khare , MD

Emergency Medicine

NPI 1043248743

Doctor of Medicine (M.D.)

Corina Constantinescu , FNP-C

Nurse Practitioner - Family

NPI 1073093803

Family Nurse Practitioner (Certified)

Dr. Randy Hebert , MD

Emergency Medicine

NPI 1134343965

Doctor of Medicine (M.D.)

Dr. Allen Quetant , DO

Emergency Medicine

NPI 1154881910

Doctor of Osteopathic Medicine (D.O.)

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 836 W WELLINGTON AVE, CHICAGO, IL 606575147 (Tel: 7732967054)

📍
Updated Business Mailing Address July 08, 2007

Registered at 204 W SAINT PAUL AVE, CHICAGO, IL 606145712 (Tel: 3123378352)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as WILLIAM TOEPPER, MD

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

Emergency Medicine

🟢
Initial NPI Registration & Enumeration May 31, 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: 1205873106
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 31, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

204 W Saint Paul Ave

Chicago, IL 606145712

Phone: 3123378352

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.