What is A. Thomas Siachos's specialty?

A. Thomas Siachos (NPI 1598757171) is a Medicare-billing provider whose primary specialty is Cardiology in Greenville, SC.

Where does A. Thomas Siachos practice?

A. Thomas Siachos practices in Greenville, SC, based on the location reported in the CMS Medicare provider datasets for NPI 1598757171.

How much does Medicare pay A. Thomas Siachos?

A. Thomas Siachos (NPI 1598757171) received approximately $428K in total Medicare Part B payments, serving 2,754 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598757171

A. Thomas SiachosM.D.

PRACTICEUPSTATE CARDIOLOGY PASee all providers at this practice →

CardiologyGreenville, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,402

Unique beneficiaries

—

Total services

8,748

Distinct HCPCS

Medicare payment

$407K

Peer benchmark

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

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

By payment type

Food and Beverage$506

Top paying entities

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

Physician	Patients	Visits
ST FRANCIS HOSPITAL INC	318	1,172
Matthew Nessmith Cardiology · Greenville, SC	283	834
Edward Stewart Cardiology · Greenville, SC	263	717
Jon Bittrick Cardiology · Greenville, SC	231	713
ST FRANCIS HOSPITAL, INC.	227	385
Mark Grabarczyk Cardiology · Greenville, SC	213	604
Barry Lazenby Diagnostic Radiology · Spartanburg, SC	180	342
James Haswell Diagnostic Radiology · Columbia, SC	167	329
Joan Burkhardt Diagnostic Radiology · Spartanburg, SC	144	283
Michael Enright Diagnostic Radiology · Spartanburg, SC	133	254
Paul Kountz Diagnostic Radiology · Spartanburg, SC	123	225
FREEMAN, LAWRENCE	119	303

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history