A. THOMAS SIACHOS M.D.
NPI 1598757171
Internal Medicine - Cardiovascular Disease in Greenville, SC

Active since August 18, 2005PECOS EnrolledAccepts Medicare Assignment
2 INNOVATION DR, SUITE 400, GREENVILLE, SC 29607(864) 235-7665(864) 233-5971 Get Directions Write a Review

NPPES record last updated: February 12, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About A. Thomas Siachos M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

A. THOMAS SIACHOS M.D. (NPI 1598757171) is an individual cardiovascular disease provider in Greenville, South Carolina, licensed in South Carolina (21670) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Oconee Memorial Hospital, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1598757171
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameA. THOMAS SIACHOSCredential: M.D.
Location Address2 INNOVATION DR, SUITE 400Greenville, SC 29607-5261
Mailing Address2 Innovation Dr, Suite 400Greenville, SC 29607-5261 · (864) 235-7665 · Fax (864) 233-5971
Fax(864) 233-5971
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateAugust 18, 2005
Last NPPES UpdateFebruary 12, 2010
NPI 1598757171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in SC · 21670
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
2 INNOVATION DR, Greenville, SC 29607

Other Identifiers 4

Medicare UPINAA0334SC
MedicaidGP0975SC
Medicare PIN8157SC
Medicare ID-Type Unspecified4695SC

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

A. Thomas Siachos M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769471226
PECOS Enrollment IDI20040510000891
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 46

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,829 services976 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
1,497 services1,266 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
1,094 services813 patients
Anticoagulant management of patient taking warfarin 93793
Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.
610 services44 patients
Blood test, clotting time 85610
A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.
386 services39 patients
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294
This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.
319 services102 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Prisma Health Oconee Memorial Hospital

Acute Care Hospitals · Seneca, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420009
Location298 Memorial DrSeneca, SC 29672 · Oconee County
Emergency services Birthing friendly

Prisma Health Baptist Easley Hospital

Acute Care Hospitals · Easley, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420015
Location200 Fleetwood DriveEasley, SC 29640 · Pickens County
Emergency services

St Francis-Downtown

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420023
LocationOne St Francis DrGreenville, SC 29601 · Greenville County
Emergency services Birthing friendly

Anmed Health

Acute Care Hospitals · Anderson, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420027
Location800 N Fant StAnderson, SC 29621 · Anderson County
Emergency services Birthing friendly

Prisma Health Greenville Memorial Hospital

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420078
Location701 Grove RoadGreenville, SC 29605 · Greenville County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29607 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
40%480 patients2/55-star benchmark: 100%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
15%99 patients1/55-star benchmark: 100%
Medication Reconciliation Post-Discharge
The percentage of discharges from any inpatient facility (e.g. hospital, skilled nursing facility, or rehabilitation facility) for patients 18 years and older of age seen within 30 days following discharge in the office by the physician, prescribing…
Patients 65+: 100% · 76 patients
100%83 patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
34%923 patients2/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
0%867 patients1/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis
48%351 patients2/55-star benchmark: 98%
Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older
Percentage of female patients aged 65 years and older who were assessed for the presence or absence of urinary incontinence within 12 months
1%404 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers24 claims25 services$84.70 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dietitian, Registered
2 INNOVATION DR
GREENVILLE, SC 29607
Internal Medicine (Cardiovascular Disease)
2 INNOVATION DR, SUITE 400
GREENVILLE, SC 29607
Internal Medicine (Cardiovascular Disease)
2 INNOVATION DR, SUITE 400
GREENVILLE, SC 29607
Internal Medicine
2 INNOVATION DR, SUITE 180
GREENVILLE, SC 29607
Psychiatry & Neurology (Neurology)
2 INNOVATION DR
GREENVILLE, SC 29607
Internal Medicine (Cardiovascular Disease)
2 INNOVATION DR, SUITE 400
GREENVILLE, SC 29607
Clinic/Center
2 INNOVATION DR
GREENVILLE, SC 29607
Nurse Practitioner (Family)
2 INNOVATION DR
GREENVILLE, SC 29607

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is A. Thomas Siachos's NPI number?

The NPI number for A. Thomas Siachos is 1598757171. It was assigned to this individual provider in the NPPES registry on August 18, 2005.

Where is A. Thomas Siachos located?

A. Thomas Siachos practices at 2 Innovation Dr Suite 400, Greenville, SC 29607. The listed phone number is (864) 235-7665.

What is A. Thomas Siachos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is A. Thomas Siachos enrolled in Medicare?

Yes. A. Thomas Siachos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does A. Thomas Siachos accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, First Choice Next, Molina Healthcare and UnitedHealthcare list A. Thomas Siachos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is A. Thomas Siachos affiliated with any hospitals?

According to CMS data, A. Thomas Siachos is affiliated with Prisma Health Oconee Memorial Hospital, Prisma Health Baptist Easley Hospital, St Francis-Downtown, Anmed Health and Prisma Health Greenville Memorial Hospital.

When was this NPI record last updated?

The NPPES record for A. Thomas Siachos was last updated on February 12, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.