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 1598757171

A. Thomas SiachosM.D.

PRACTICEUPSTATE CARDIOLOGY PASee all providers at this practice →
CardiologyGreenville, SCI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
5,402
Unique beneficiaries
—
Total services
8,748
Distinct HCPCS
42
Medicare payment
$407K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 243 Cardiology providers in SC — top quintile (cohort median 3,582).
PRESCRIBING · PART D · 2024
Total Rx claims
11,024
Beneficiaries
—
Total drug cost
$1.9M
Distinct drugs
68
Brand share
27.6%
Top prescribed drugs
Metoprolol Succinate1,266 claims
Atorvastatin Calcium893 claims
Apixaban861 claims
Amlodipine Besylate629 claims
Losartan Potassium535 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$506
Payment records
32
By payment type
Food and Beverage$506
REFERRAL NETWORK

Where A. Thomas Siachos'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). 152 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ST FRANCIS HOSPITAL INC3181,172
Matthew Nessmith
Cardiology · Greenville, SC
283834
Edward Stewart
Cardiology · Greenville, SC
263717
Jon Bittrick
Cardiology · Greenville, SC
231713
ST FRANCIS HOSPITAL, INC.227385
Mark Grabarczyk
Cardiology · Greenville, SC
213604
Barry Lazenby
Diagnostic Radiology · Spartanburg, SC
180342
James Haswell
Diagnostic Radiology · Columbia, SC
167329
Joan Burkhardt
Diagnostic Radiology · Spartanburg, SC
144283
Michael Enright
Diagnostic Radiology · Spartanburg, SC
133254
Paul Kountz
Diagnostic Radiology · Spartanburg, SC
123225
FREEMAN, LAWRENCE119303
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.