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

Mr. Vasilios Kalonaros, MD

Individual provider Internal Medicine Physician · NPI 1376501296

Mr. Vasilios Kalonaros, MD is an Internal Medicine in Smithtown, New York. Qualified in 1986, 40 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
40
Licensed in
NY
In the registry since
2006
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

50 Karl Ave Ste 301
Smithtown, NY 11787-2744
Phone: (631) 239-1677
Fax: (631) 724-3967
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 183593 (NY)

Record details

NPI number1376501296
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2006
Last updated in NPPESJanuary 17, 2023
Certification dateJanuary 17, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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