William Duffy, MD
Nephrology
21+ years in practiceNPI: 1568448363Licensed in IL
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Credentials & Recognition
Specialties
Nephrology
NPI sub-specialties
Internal Medicine, Nephrology207RN0300X
Practice Signals
Editorial signals beyond credentials. Patient transparency over opacity. See methodology.
Mid-Level (PA/NP) Use
Doctor-led visits
Years in Practice
21+ years
Estimated from NPI enumeration date
Other Nephrology Doctors near Illinois
View all →Frequently Asked Questions about Dr. William Duffy, MD
Where does Dr. William Duffy, MD practice?+
Dr. William Duffy, MD practices in Illinois, IL. 1101 S CANAL ST
CHICAGO, IL 606074901.
What is Dr. William Duffy, MD's phone number?+
Dr. William Duffy, MD's practice phone is 312-986-0110. Office contact information is verified on the PBCMMG profile.
What does Dr. William Duffy, MD specialize in?+
Dr. William Duffy, MD's primary specialty is Nephrology.
Is Dr. William Duffy, MD board certified?+
Board certification status for Dr. William Duffy, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. William Duffy, MD been practicing?+
Dr. William Duffy, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. William Duffy, MD's NPI number?+
Dr. William Duffy, MD's National Provider Identifier (NPI) is 1568448363, registered in the federal NPPES registry.
Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards
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