Gregory McLennan, MD

Urology

18+ years in practiceNPI: 1912160052Licensed in MO

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Credentials & Recognition

Specialties

Urology

NPI sub-specialties

Urology208800000X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

18+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#7

Top Urologists in Missouri, 2026

Urology · Missouri · 2026

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Frequently Asked Questions about Dr. Gregory McLennan, MD

Where does Dr. Gregory McLennan, MD practice?+
Dr. Gregory McLennan, MD practices in Missouri, MO. 701 S. NEW BALLAS ROAD, SUITE 330 SAINT LOUIS, MO 63141.
What is Dr. Gregory McLennan, MD's phone number?+
Dr. Gregory McLennan, MD's practice phone is 314-251-8850. Office contact information is verified on the PBCMMG profile.
What does Dr. Gregory McLennan, MD specialize in?+
Dr. Gregory McLennan, MD's primary specialty is Urology.
Is Dr. Gregory McLennan, MD board certified?+
Board certification status for Dr. Gregory McLennan, 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. Gregory McLennan, MD been practicing?+
Dr. Gregory McLennan, MD has been in active practice for 18+ years, based on NPI enumeration and state licensing records.
What is Dr. Gregory McLennan, MD's NPI number?+
Dr. Gregory McLennan, MD's National Provider Identifier (NPI) is 1912160052, 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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