DR. ALEXANDROS NANTSIOS MD
NPI 1811837198
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Saint Louis, MO

Q: What is Alexandros Nantsios's NPI number?

The NPI number for Alexandros Nantsios is 1811837198. It was assigned to this individual provider in the NPPES registry on March 30, 2026.

Q: What is Alexandros Nantsios's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Active since March 30, 2026PECOS EnrolledAccepts Medicare Assignment

660 S EUCLID AVE, SAINT LOUIS, MO 63110(314) 362-7260 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Apr 7, 2026, Mar 30, 2026 (2 updates tracked since 2026).

On this page

About Dr. Alexandros Nantsios Md NPPES

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

DR. ALEXANDROS NANTSIOS MD (NPI 1811837198) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Saint Louis, Missouri, licensed in Missouri (2025008245) and active in the NPI registry since March 2026. He is enrolled in Medicare PECOS and is a graduate of University Of Ottawa, Faculty Of Medicine (2019).

NPPES Registry Identity

NPI1811837198

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameDR. ALEXANDROS NANTSIOSCredential: MD

Location Address660 S EUCLID AVESaint Louis, MO 63110-1010

Mailing Address660 S Euclid Ave, Campus Box 8234Saint Louis, MO 63110-1010 · (314) 362-7260

Phone(314) 362-7260

Sole ProprietorNo

Medical School CMSUniversity Of Ottawa, Faculty Of MedicineGraduated 2019

Enumeration DateMarch 30, 2026

Last NPPES UpdateApril 7, 20262 updates tracked since enumeration

NPPES CertifiedApril 7, 2026

✔ NPI 1811837198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

License✔ Licensed in MO · 2025008245

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

660 S EUCLID AVE, Saint Louis, MO 63110

Open in Google Maps ↗

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

Dr. Alexandros Nantsios Md 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 ID7618444621

PECOS Enrollment IDI20260428001139

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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

$169.38 typical visit price

range $55.65 – $169.38

Typical copayment $42.34 (range $13.91 – $42.34)

Most-billed visit code 99205

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

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.

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.

WUSM BJC ACO PROVIDERS

Clinic/Center (Multi-Specialty)

660 S EUCLID AVE, CAMPUS BOX 8081
SAINT LOUIS, MO 63110

St. Louis City (314) 273-0770

ANDREA YUE-EN SUN MD

Student in an Organized Health Care Education/Training Program