Summary

Dr. Vasilios Kalonaros is an internal medicine physician who brings four decades of medical expertise to his practice. He earned his medical degree from the University of Athens School of Health Sciences and completed his residency training at Long Island College Hospital. With 40 years of experience in internal medicine, Dr. Kalonaros provides comprehensive care for adult patients. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Kalonaros practices in Smithtown, New York, and maintains hospital affiliations with Saint Catherine Of Siena Medical Center and Saint Johns Episcopal Hospital South Shore. His clinical focus includes treating patients with mobility challenges such as limping and weakness. He also addresses complex neurological conditions like loss of trunk control. Dr. Kalonaros incorporates therapeutic approaches including physical therapy and strength training into patient care plans. Patients consistently rate his care highly, giving him an average rating of 5.0 stars.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 40 years of experience
  • 37 insurance plans accepted
  • speaks English, Spanish
  • Long Island College Hospital
  • 2 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 2 hospital affiliations
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Vasilios C Kalonaros

50 Karl Ave Ste 301Smithtown, NY 11787
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 3:00 pm
SatClosed
SunClosed

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Vasilios C Kalonaros, MDEric HarkerNatalie Howard, MSN, DNPDr. Eric Yoon, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
40 Years of Experience 25 Years of Experience 6 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Smithtown , NYLyons , CONew York City , NYNew York , NY
Med School: Nat Tech Univ Of Athens Med School: Duke University School Of Medicine Med School: State University of New York
Current Profile
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Insurance Plans Accepted by Vasilios C Kalonaros

  • AARP
  • AARP - PPO
  • Aetna
  • Aetna - Medicare
  • Aetna - Medicare (Advantage HMO)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - PPO
  • CareSource
  • Centers Plan for Healthy Living
  • CHAMPVA
  • Cigna
  • EmblemHealth
  • EmblemHealth - PPO
  • Empire Blue Cross Blue Shield
  • Fidelis Care (NY)
  • HealthFirst (NY)
  • Humana
  • MagnaCare
  • MagnaCare - EPO
  • MagnaCare - HMO
  • MagnaCare - PPO
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Oscar Health Insurance
  • Piedmont Community Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare Oxford
  • UnitedHealthcare Oxford - HMO
  • Wellcare

Medical Specialties

Vasilios C Kalonaros has the following specialty

Specialty Expertise

Vasilios C Kalonaros has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

40 Years Experience

Vasilios C Kalonaros holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at Long Island College Hospital.

Medical School

Graduated from Nat Tech Univ Of Athens and University Of Athens School Of Health Sciences in 1986.

NPI Number

Vasilios C Kalonaros' NPI number is 1376501296.

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Frequently Asked Questions

Is Vasilios Kalonaros accepting new patients?
Vasilios Kalonaros is accepting new patients on Vitals. View Vasilios Kalonaros's profile on Vitals to make an appointment.
Does Vasilios Kalonaros accept my insurance?
You can see the insurance plans that Vasilios Kalonaros accepts on their Vitals profile.
Which hospitals is Vasilios Kalonaros affiliated with?
Vasilios Kalonaros is affiliated with Saint Catherine Of Siena Medical Center and Saint Johns Episcopal Hospital South Shore.
Where is Vasilios Kalonaros's office located?
Vasilios Kalonaros's office is located at 50 Karl Ave Ste 301, Smithtown, NY, 11787.
Does Vasilios Kalonaros accept virtual/telehealth appointments?
Vasilios Kalonaros has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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