Dr. William Brian Duffy , MD
Internal Medicine - Nephrology • Chicago, IL
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Professional Overview & Biography Verified Profile Summary
Dr. William Duffy, MD is a registered healthcare professional specializing in Internal Medicine - Nephrology in Chicago, IL. Official NPI practice address is registered at 1101 S CANAL ST.
Practice Location & Contact Primary Location
1101 S Canal St
Chicago, IL 606074901
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine - Nephrology in Chicago, IL
Practicing in Chicago, IL (598 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207RN0300X
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Additional State Medicaid & Healthcare Payer Identifiers
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine - Nephrology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 1101 S CANAL ST, CHICAGO, IL 606074901 (Tel: 3129860110)
Registered at 1101 S CANAL ST, CHICAGO, IL 606074901 (Tel: 3129860110)
Recorded as WILLIAM DUFFY, MD
Internal Medicine (License #036057381 in IL)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1101 S Canal St
Chicago, IL 606074901
Phone: 3129860110
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.