caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI QueryResearch
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryResearchBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · Loading…
caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI QueryResearch
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryResearchBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1912160052

Gregory MclennanMD

UrologySaint Louis, MOI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
Healthparse Signals
Monitor this provider for changes — dated NPI change events
© 2026 CareTrace
PricingContactPrivacyTerms
Bulk data: API + Snowflake Marketplace → healthparse.io/developers
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 140015
Hospital
CCN 260020
Hospital
CCN 260052
Hospital
CCN 260077
Hospital
CCN 261319
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,699
Unique beneficiaries
—
Total services
2,157
Distinct HCPCS
26
Medicare payment
$183K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 182 Urology providers in MO — above median (cohort median 3,465).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025
Total received
$60K
Payment records
189
By payment type
Consulting Fee$46K
Travel and Lodging$9K
Food and Beverage$5K
Honoraria$350
Top paying entities
Consulting Fee$46K
Travel and Lodging$9K
Food and Beverage$5K
Honoraria$350
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
2,809
Beneficiaries
—
Total drug cost
$393K
Distinct drugs
28
Brand share
38.4%
Top prescribed drugs
Tamsulosin Hcl798 claims
Mirabegron315 claims
Ciprofloxacin Hcl295 claims
Hydrocodone/Acetaminophen266 claims
Finasteride242 claims
REFERRAL NETWORK

Where Gregory Mclennan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 19 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MERCY HOSPITALS EAST COMMUNITIES1951,569
ROSENTHAL, DEBRA2579
Colleen Spieler
Diagnostic Radiology · Saint Louis, MO
1863
STICKLEY, LOUIS1739
GAUM, LEONARD1746
Cindy Zhang
Diagnostic Radiology · Saint Louis, MO
1640
James Nepute
Diagnostic Radiology · Saint Louis, MO
1651
CREPPS, LOUIS1554
Jason Skyles
Diagnostic Radiology · Saint Louis, MO
1465
Bruce Czarnik
Cardiology · Saint Louis, MO
1438
Shien Micchelli
Pathology · Baltimore, MD
1439
DALAN, LAWRENCE1436
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.