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 1437112653

John WestbrookCRNA

PRACTICEGREENEVILLE ANESTHESIA SERVICESSee all providers at this practice →
Certified Registered Nurse Anesthetist (CRNA)Greeneville, TNI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$13
Payment records
1
By payment type
Food and Beverage$13
REFERRAL NETWORK

Where John Westbrook'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). 7 inbound referrers · 8 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
AUSTIN, MAYNARD2539
Arthur Adams
Diagnostic Radiology · Greeneville, TN
2132
Gordon Marsa
Gastroenterology · Greeneville, TN
1838
Raymond Kohne
Diagnostic Radiology · Johnson City, TN
1545
Leah Balch
Nurse Practitioner · Greeneville, TN
1428
Gregory Uhl
Internal Medicine · Greeneville, TN
1227
PATTERSON, MARK1123
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
LAUGHLIN MEMORIAL HOSPITAL, INC.76122
TAKOMA REGIONAL HOSPITAL INC48105
Gordon Marsa
Gastroenterology · Greeneville, TN
3587
William Thacker
Pathology · Greeneville, TN
3234
Joseph Kretschmar
Internal Medicine · Greeneville, TN
2660
Dharmen Patel
Hematology-Oncology · Greeneville, TN
1274
Scot Vermillion
Diagnostic Radiology · Greeneville, TN
1123
Arthur Adams
Diagnostic Radiology · Greeneville, TN
1113
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
151
Unique beneficiaries
—
Total services
151
Distinct HCPCS
5
Medicare payment
$15K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,210 Certified Registered Nurse Anesthetist (CRNA) providers in TN — top quintile (cohort median 110).