Athanasios Tsiouris, M.D. FACS
Cardiac Surgery · Thoracic Surgery (CMS) · Meridian, MS
At a glance
1400 20Th Ave Ste F, Meridian, MS 39301-4103
Published activity: Coronary artery bypass graft (CABG). View counts and coverage
NPPES record updated Oct 25, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1400 20Th Ave Ste FMeridian, MS 39301-4103
Additional reported practice locations
Henry Ford Macomb Hospital16151 19 Mile Rd, Suite 301
Clinton Township, MI 48038
Phone: 5862632980
Fax: 5862632983 Cleveland Clinic 9500 Euclid Ave
Cleveland, OH 441950001
Phone: 2164456816
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2004
- CMS specialties
- Cardiac Surgery · Thoracic Surgery
Practice groups
- Anderson Physician Alliance Inc
- Mississippi Hma Hospitalists Llc
- State Of Mississippi - University Of Mississippi Medical Center
Reported hospital affiliations
- Anderson Regional Medical Center Meridian, MS
- Merit Health River Oaks Flowood, MS
- University Of Mississippi Med Center Jackson, MS
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Coronary artery bypass graft (CABG) | 13 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $346.16 |
Reporting companies
| Company | Amount |
|---|---|
| ABIOMED | $233.89 |
| ATRICURE, INC. | $96.29 |
| ABBOTT LABORATORIES | $15.98 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Cardiac Surgery · Thoracic Surgery (CMS)
- Taxonomy code
- 208G00000X
- Enumeration date
- Aug 5, 2009
- Record updated
- Oct 25, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D. FACS
Reported taxonomies and licenses
208G00000X · Primary
License reported: 30213 MS
208G00000X
License reported: 4301500762 MI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1400 20Th Ave Ste FMeridian, MS 39301-4103
- Phone
- (601) 553-2135
Mailing address
PO BOX 749215ATLANTA, GA 303749215
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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