Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory P. McLennan II, MD

Individual provider Urology Physician · NPI 1912160052

Gregory P. McLennan II, MD is an Urology in Saint Louis, Missouri. Graduated from Saint Louis University School of Medicine in 2008, 18 years ago. Practices with Mercy Clinic Urology LLC, a 26-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
18
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

701 S New Ballas Rd Ste 330
Saint Louis, MO 63141
Phone: (314) 251-8850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1820 Zumbehl Rd Ste 120, Saint Charles, MO 63303-2761 — (314) 251-8850

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 2014009247 (MO)

Record details

NPI number1912160052
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 9, 2008
Last updated in NPPESJuly 13, 2023
Certification dateJuly 6, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyUROLOGY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Mercy Clinic Urology Llc — 26 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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