Physician Profile

Alexandros Nantsios, MD

Unclaimed Profile

About Dr. Nantsios

Alexandros Nantsios, MD practices thoracic surgery (cardiothoracic) in Saint Louis, MO. Alexandros is a 2019 graduate of University of Ottawa, Faculty of Medicine. The provider's National Provider Identifier (NPI) is 1811837198.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Specialty

Thoracic Surgery (Cardiothoracic) (Primary)

Credentials & Licensing

MO license2025008245
NPI1811837198
NPI issued03/30/2026

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Nantsios?

Dr. Nantsios is a thoracic surgery (cardiothoracic) in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Dr. Nantsios's address?

Dr. Nantsios is listed at 660 S Euclid Ave, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Nantsios?

The number on file is (314) 362-7260. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Nantsios's NPI number?

Dr. Nantsios's National Provider Identifier is 1811837198. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Nantsios train?

Dr. Nantsios attended University of Ottawa, Faculty of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Nantsios been practicing?

Dr. Nantsios has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.

CMS public data

Has Dr. Nantsios confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nantsios. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.