Barry Zeffren, MD

Allergy & Immunology

20+ years in practiceNPI: 1205908639Licensed in ILLicensed in MO

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Credentials & Recognition

Specialties

Allergy & Immunology

NPI sub-specialties

Allergy & Immunology207K00000X

Allergy & Immunology207K00000X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

20+ years

Estimated from NPI enumeration date

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Frequently Asked Questions about Dr. Barry Zeffren, MD

Where does Dr. Barry Zeffren, MD practice?+
Dr. Barry Zeffren, MD practices in Illinois, IL. 4 COUNTRY CLUB EXECUTIVE PARK GLEN CARBON, IL 62034.
What is Dr. Barry Zeffren, MD's phone number?+
Dr. Barry Zeffren, MD's practice phone is 618-288-6673. Office contact information is verified on the PBCMMG profile.
What does Dr. Barry Zeffren, MD specialize in?+
Dr. Barry Zeffren, MD's primary specialty is Allergy & Immunology.
Is Dr. Barry Zeffren, MD board certified?+
Board certification status for Dr. Barry Zeffren, 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. Barry Zeffren, MD been practicing?+
Dr. Barry Zeffren, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Barry Zeffren, MD's NPI number?+
Dr. Barry Zeffren, MD's National Provider Identifier (NPI) is 1205908639, 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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