Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Alexandros Nantsios, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1811837198

Dr. Alexandros Nantsios, MD is a Thoracic Surgery in Saint Louis, Missouri. Graduated from University of Ottawa, Faculty of Medicine in 2019, 7 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
7
Trained at
University of Ottawa, Faculty of Medicine
Licensed in
MO
In the registry since
2026
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

660 S Euclid Ave
Saint Louis, MO 63110-1010
Phone: (314) 362-7260
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 2025008245 (MO)

Record details

NPI number1811837198
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2026
Last updated in NPPESApril 7, 2026
Certification dateApril 7, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyTHORACIC SURGERY
Medical schoolUNIVERSITY OF OTTAWA, FACULTY OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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