Glenn Siegel, MD

Endocrinology

21+ years in practiceNPI: 1437140514Licensed in CT

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Credentials & Recognition

Specialties

Endocrinology

NPI sub-specialties

Internal Medicine, Endocrinology, Diabetes & Metabolism207RE0101X

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

#9

Top Endocrinologists in Connecticut, 2026

Endocrinology · Connecticut · 2026

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Frequently Asked Questions about Dr. Glenn Siegel, MD

Where does Dr. Glenn Siegel, MD practice?+
Dr. Glenn Siegel, MD practices in Connecticut, CT. 761 MAIN AVE SUITE 201 NORWALK, CT 068511080.
What is Dr. Glenn Siegel, MD's phone number?+
Dr. Glenn Siegel, MD's practice phone is 203-838-4000. Office contact information is verified on the PBCMMG profile.
What does Dr. Glenn Siegel, MD specialize in?+
Dr. Glenn Siegel, MD's primary specialty is Endocrinology.
Is Dr. Glenn Siegel, MD board certified?+
Board certification status for Dr. Glenn Siegel, 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. Glenn Siegel, MD been practicing?+
Dr. Glenn Siegel, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Glenn Siegel, MD's NPI number?+
Dr. Glenn Siegel, MD's National Provider Identifier (NPI) is 1437140514, 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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