Mark Lowenthal, MD

Allergy & Immunology

21+ years in practiceNPI: 1407830136Licensed in IL

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Credentials & Recognition

Specialties

Allergy & Immunology

NPI sub-specialties

Allergy & Immunology, Allergy207KA0200X

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

Featured in PBCMMG Rankings

#1

Top Allergists & Immunologists in Illinois, 2026

Allergy & Immunology · Illinois · 2026

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Frequently Asked Questions about Dr. Mark Lowenthal, MD

Where does Dr. Mark Lowenthal, MD practice?+
Dr. Mark Lowenthal, MD practices in Illinois, IL. 10733 W. 165TH ST. ORLAND PARK, IL 604678713.
What is Dr. Mark Lowenthal, MD's phone number?+
Dr. Mark Lowenthal, MD's practice phone is 708-957-7468. Office contact information is verified on the PBCMMG profile.
What does Dr. Mark Lowenthal, MD specialize in?+
Dr. Mark Lowenthal, MD's primary specialty is Allergy & Immunology.
Is Dr. Mark Lowenthal, MD board certified?+
Board certification status for Dr. Mark Lowenthal, 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. Mark Lowenthal, MD been practicing?+
Dr. Mark Lowenthal, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Mark Lowenthal, MD's NPI number?+
Dr. Mark Lowenthal, MD's National Provider Identifier (NPI) is 1407830136, 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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