Quick answers
- Does Arthur T. Siachos accept Medicare assignment?
- Yes. Medicare's clinician data says Arthur T. Siachos accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Arthur T. Siachos see?
- In 2024, CMS data shows 2,754 Original Medicare patients and 8,916 services for Arthur T. Siachos. This counts Original Medicare only and measures volume, not quality.
- What is Arthur T. Siachos's NPI number?
- 1598757171. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Arthur T. Siachos, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,754 |
|---|---|
| Services billed to Medicare | 8,916 |
| Different services or procedures | 87 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,829 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,497 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,094 services
- Anticoagulant management of patient taking warfarin (93793)610 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)426 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease57%
- Arthritis52%
- Atrial fibrillation40%
- Chronic kidney disease37%
Hospitals where Arthur T. Siachos works
Medicare's Facility Affiliation Data lists Arthur T. Siachos at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Anmed HealthAnderson, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420027
- Prisma Health Baptist Easley HospitalEasley, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420015
- Prisma Health Greenville Memorial HospitalGreenville, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 420078
- Prisma Health Oconee Memorial HospitalSeneca, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420009
- St Francis-DowntownGreenville, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420023
Practice locations
Addresses where Arthur T. Siachos is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1 Saint Francis DrGreenville, SC 29601 (513) 853‑8520
- 125 Commonwealth DrGreenville, SC 29615 (864) 675‑4000
- 2 Innovation Dr, Suite 330Greenville, SC 29607 (864) 235‑7665
- 2 Innovation Dr, Suite 400Greenville, SC 29607 (864) 235‑7665
- 212 Frontage RdClemson, SC 29631 (864) 654‑5855
Group practices
Medicare enrollment lists Arthur T. Siachos as a member of this group (CMS data updated October 2, 2026).
- Bon Secours Medical Group Greenville Specialty Care LLC292 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in South Carolina →
Other cardiologists in Greenville
Clinicians with the same Medicare primary specialty in Greenville, SC — not a recommendation.
Other clinicians in Bon Secours Medical Group Greenville Specialty Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598757171 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians