caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1053421065

Brian GrusMD

Internal MedicineO Fallon, MOI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (10)

CCN 267184
Home health agency
CCN 267276
Home health agency
CCN 267580
Home health agency
CCN 267595
Home health agency
CCN 260020
Hospital
CCN 260032
Hospital
CCN 260108
Hospital
CCN 260191
Hospital
CCN 260219
Hospital
CCN 263031
Inpatient rehabilitation facility
PRESCRIBING · PART D · 2024
Total Rx claims
14,003
Beneficiaries
—
Total drug cost
$937K
Distinct drugs
164
Brand share
21.6%
Top prescribed drugs
Atorvastatin Calcium800 claims
Lisinopril613 claims
Amlodipine Besylate603 claims
Levothyroxine Sodium572 claims
Losartan Potassium361 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$53
Payment records
3
By payment type
Food and Beverage$53
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,564
Unique beneficiaries
—
Total services
2,104
Distinct HCPCS
13
Medicare payment
$111K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,563 Internal Medicine providers in MO — top quintile (cohort median 658).
REFERRAL NETWORK

Where Brian Grus'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). 21 inbound referrers · 42 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MISSOURI BAPTIST MEDICAL CENTER204411
BARNES JEWISH ST PETERS HOSPITAL INC76225
James Kelly
Diagnostic Radiology · Saint Louis, MO
4997
St. Charles County Ambulance District
Ambulance Service Provider · Saint Peters, MO
3868
Joelle Biernacki
Diagnostic Radiology · Saint Louis, MO
3479
Nadia Zia
Internal Medicine · O Fallon, MO
2878
Michael Missler
Cardiology · Saint Peters, MO
2567
ST. LUKES EPISCOPAL-PRESBYTERIAN HOSPITAL2360
Marc Lewen
Cardiology · Saint Peters, MO
2241
NPI 12654740011940
Nancy Niemann Royer
Internal Medicine · O Fallon, MO
1841
David Fouts
Family Practice · Wentzville, MO
1763
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MISSOURI BAPTIST MEDICAL CENTER4061,212
PROGRESS WEST HEALTHCARE CENTER237798
BARNES JEWISH ST PETERS HOSPITAL INC94323
AYERS, JEANNINE87196
Joelle Biernacki
Diagnostic Radiology · Saint Louis, MO
44129
Hui Hua Shu
Diagnostic Radiology · Saint Louis, MO
43156
Robert Stachecki
Diagnostic Radiology · Saint Louis, MO
40105
Ajay Chapa
Diagnostic Radiology · Chicago, IL
3998
Michael Penney
Diagnostic Radiology · Fort Worth, TX
35102
Heather Garrett
Diagnostic Radiology · Saint Louis, MO
3163
St. Charles County Ambulance District
Ambulance Service Provider · Saint Peters, MO
2974
NPI 12654740012883
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.