Gregory P. McLennan, MD
Urology Physician · Saint Louis, MO
Gregory P. McLennan, MD is a urology physician with a practice address in Saint Louis, Missouri, and NPI 1912160052, issued on Jul 9, 2008. Check the license (Missouri 2014009247, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gregory P. McLennan
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 2014009247 MO
Self-reported in NPPES; status is on the state search - Practice location
- 701 S. New Ballas Road, Suite 330, Saint Louis, MO 63141
- Phone
- (314) 251-8850
- Enumerated
- Jul 9, 2008
- Record last updated
- Jul 13, 2023
- Medicaid ID
- 1912160052 MO
- Medicare enrollment
- Enrolled (PECOS I20140828000428); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 701 S. New Ballas Road, Suite 330
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Kasunic, PA-CPhysician Assistant1588289979
- Gurdarshan Sandhu, MDUrology Physician1083902852
Verify Gregory P. McLennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2014009247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average urology physician in 2024
2,937 Medicare Part D claims for 735 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 286 claims were for opioids.
Most prescribed
- Tamsulosin Hcl798 claims
- Myrbetriq315 claims
- Ciprofloxacin Hcl295 claims
- Hydrocodone-Acetaminophen266 claims
- Finasteride242 claims
- Gemtesa175 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $7,677.00
152 payments; by number, the most common kind was food and beverage; the largest payer was Calyxo, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Blessing HospitalQuincy, IL · Acute Care Hospitals4 of 5 stars
- Mercy Clinic Urology LLCSt Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Urology Physician providers in Missouri
There are 266 urology physician records in Missouri.
Other urology physician records in Missouri
- Michael Aberger, M.D.Saint Joseph, MO1346533924
- Eminajulo Adekoya, M.D.Saint Louis, MO1497040208
- Kent Adkins, MDSaint Louis, MO1962460238
- Gautum Agarwal, MDSaint Louis, MO1780880633
- Thomas Ahmann, MDMexico, MO1881681385
- Yousef Al-Shraideh, MDSaint Louis, MO1184989915
- Louis Aliperti, M.D.Saint Louis, MO1861810350
- Angela Alt, MDChesterfield, MO1801915038
- Alexander Anderson, M.D.Columbia, MO1902326622
- David Anderson, MDSpringfield, MO1477594505
Common questions
What is Gregory P. McLennan, MD's NPI number?
Gregory P. McLennan, MD's National Provider Identifier (NPI) is 1912160052, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory P. McLennan, MD located?
The NPPES record lists a practice address at 701 S. New Ballas Road, Suite 330, Saint Louis, MO, 63141. Phone: (314) 251-8850. Providers update this record themselves, so call before visiting.
How can I verify Gregory P. McLennan, MD's license?
NPPES lists Missouri license number 2014009247, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory P. McLennan, MD prescribe under Medicare Part D?
In 2024, Gregory P. McLennan, MD had 2,937 Medicare Part D claims for 735 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.