Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1073596904 Individual Practitioner Male Practitioner

Dr. William Norman Werner , MD, MPH

Internal Medicine • Chicago, IL

Professional Overview & Biography Verified Profile Summary

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

Practice Location & Contact Primary Location

Practice Address

836 W Wellington Ave

Chicago, IL 606575147

Telephone 7732965888
Fax 7732967925
Associated Practice Facility / Clinic
🏢 Creticos Id Associates Sc Facility NPI 1538105390

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.

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Robert Turelli , MD

Emergency Medicine

NPI 1003078072

Doctor of Medicine (M.D.)

Jayme Cappa

Speech-Language Pathologist

NPI 1003129230
Dr. Chimuanya Okoli , MD

Internal Medicine - Sleep Medicine

NPI 1003444779

Doctor of Medicine (M.D.)

Debra Farida

Nurse Anesthetist, Certified Registered

NPI 1003456039
NPI 1003600370

Doctor of Osteopathic Medicine (D.O.)

NPI 1003705724

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 836 W WELLINGTON AVE, CHICAGO, IL 606575147 (Tel: 7732965888)

📍
Updated Business Mailing Address July 08, 2007

Registered at 4326 BOBOLINK TER, SKOKIE, IL 600762004 (Tel: 8476735398)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as WILLIAM WERNER, M.D., M.P.H.

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

Internal Medicine

🟢
Initial NPI Registration & Enumeration November 23, 2005

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: 1073596904
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 23, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

4326 Bobolink Ter

Skokie, IL 600762004

Phone: 8476735398

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.