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Vasilios C. Kalonaros, MD

Internal Medicine, CHL Physician (NY/NJ/RI)

Hospital Affiliations
St. Catherines Of Siena, Huntington Hospital, Long Island College Hospital, Gurwin Jewish Geriatric Center
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Dr. Kalonaros

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MDVIP Annual Membership Fee
MDVIP’s annual fee covers the Wellness Program and generally can be made in quarterly, semi-annual and annual payments.
*The lab portion of the annual MDVIP Wellness Program will be billed to patients directly by the lab company at the discounted rate of $70.
Quarterly
$507.50*
Semi-Annual
$1,015.00*
Annual
$2,030.00*
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About Vasilios C. Kalonaros, MD

I believe that every patient is unique and deserves individualized care. As a physician, it is my job to build a strong personal relationship with you so we can address your unique and individual needs. With my personal attention to your health, wellness and emotional concerns, we will strive to achieve and maintain your optimal health. I am honored that many of my patients consider me a close member of their family, and I welcome the opportunity to cultivate this type of caring relationship with others. My MDVIP-affiliated practice provides me with resources and tools and most importantly, it allows me the time needed to develop the close bond with my patients that is essential to helping them lead the healthiest lives possible.

Residency

Long Island College Hospital
Brooklyn, NY
Internal Medicine 1988-1990

Internship

Long Island College Hospital
Brooklyn, NY
1987- 1988

Medical School

University of Athens Faculty of Medicine
Athens, Greece
Doctorate of Medicine 1986

Undergraduate

Fairleigh Dickinson University
Teaneck, NJ
Bachelor of Science, Biology 1980

Federal Licensing Examination
Certificate of Educational Commission for Foreign Medical Graduates

St. Catherines Of Siena
Huntington Hospital
Long Island College Hospital
Gurwin Jewish Geriatric Center

English and Greek

President, North Suffolk Medical Associates, PC, Private Practice, Internal Medicine 1995-present
Vice-President, Western Suffolk Medical Group, PC, Private Practice, Internal Medicine 1990-1995

John M. Edson Award: Most Outstanding Resident, Long Island College Hospital Department of Internal Medicine 1989-1990

New York

Benefits of joining Dr. Kalonaros's practice with MDVIP

MDVIP Wellness Program
Expect comprehensive screenings and tests and a custom wellness plan designed for you.
Better Doctor-Patient Relationship
97% of MDVIP members are satisfied with their relationship (vs 58% in traditional PCP).
Same/Next-Day Appointments
See Dr. Kalonaros quickly and take your time during each appointment.
Reachable 24/7
Reach Dr. Kalonaros by phone after-hours and on weekends.
Smaller Practice Size
MDVIP practices are smaller than most primary care practices, which means your doctor has more time to help you.
Your Dedicated Doctor
See Dr. Kalonaros when you go to the office — not someone else like a nurse practitioner or physician assistant
Travel Benefits
If you need urgent care while traveling, your physician can help arrange your care with a local hospital, pharmacy or doctor.
Medical Centers of Excellence
For patients who need care beyond what is available locally, MDVIP can connect your doctor with specialists at some of the country’s leading medical institutions
Better Health Outcomes
Members have better control of chronic conditions like type 2 diabetes, high cholesterol and hypertension.

The office of Vasilios C. Kalonaros, MD

Primary Office
50 Karl Avenue Suite 301
Smithtown, NY 11787
Get Directions
Hours
Mon 9:00 AM - 5:00 PM
Tue 9:00 AM - 5:00 PM
Wed 9:00 AM - 5:00 PM
Thu 9:00 AM - 5:00 PM
Fri 9:00 AM - 3:00 PM
Sat Closed
Sun Closed
I am fortunate to have Dr Kalonaros as my health care partner. He has provided practical and pragmatic advise in a patient and informed manner when I was confronted with serious health issues. His coordination among my specialists and quick response to my phone calls or requests for information to understand what other specialists and test results revealed helped keep things in perspective,…
James
March 21, 2024
Dr. Kalonaros is one of a kind. He is kind, caring and compassionate. Dr. K has so much patience and takes time with us whether in person or on the phone. We feel he is truly invested in our well being and good health. He treats us like we are family! He has a sixth sense about all things medical. Perhaps it’s because he really gets to know his patients and their family members. My wife and I…
Sylvester
March 10, 2024
I was dealing with ( and still am ) a breathing issue that required me to invest in a nebulizer. I knew i had to get one real soon and Dr Kalonaros
had one in the office and gave it to me. I offered to either pay for it or replace it but he said it wasn't necessary. At that time he was a new doctor for
me and i was so surprised that he did that and so grateful.
Arlene
March 10, 2024
Dr. Vasilios Kalonoris is the caring, personable family doctor that we all recall from our youth and have such difficulty finding today. He is caring, warm and highly relatable, with a 21st-century “Dr’s Bag” full of knowledge. My husband and I have been impressed with, how as an internist, Dr. K is well-versed regarding specific medical specialties. He is a patient listener who responds with…
Virginia
March 6, 2024

Reviews from the web

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02/21/2025 Adam Elberg
Dr. K has been my family physician for decades. He is personal, caring, attentive and knowledgable. I highly recommend him, but know that the MDVIP fees are barriers to entry for some.
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12/09/2024 Mary Falkowitz
Wonderful, caring and excellent diagnostician. Takes care of my entire family. Staff is great too
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09/12/2024 Martin Miata
Always courteous and knowledgeable...treats you like you're part of his family.
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02/27/2024 David Riall
Dr Kalonaros provides excellent care. He is extremely invested in the well being of his patients and is accessible when needed. His office staff is top notch and ensures that you are seen promptly and address concerns that are within their control. I would highly recommend Dr Kalonaros to family and friends.
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02/16/2024 Sandie Stern
Superior medical care and well worth it!
Makes you feel secure and well cared for at all times. Definitely recommend !
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02/16/2024 meryl glassberg
Dr Kalonaros is a caring, wonderful doctor with an outstanding bedside manner with his patients. He listens carefully and attentively to all my medical concerns. He is never quick to complete his analysis and, never too busy to make me feel comfortable with his medical treatment.
He has always been a doctor I can trust and rely on for my medical needs. He has always shown kindness and compassion for my medical needs.
I feel very lucky to have Dr Vasilios Kalonaros for my doctor- Thank you, MDVIP!!
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02/16/2024 Richard Schulman
Without the best medical professional, we have ever had the privilege to know. We consider ourselves lucky to have been patients of Dr K as he is not only a dedicated professional, but also an amazing human being
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02/02/2024 Laura Meyer
Dr. Kalonaros is a wonderful doctor!! He’s super knowledgeable and very professional. He has a warm and friendly way about him, making his patients feel welcome and very well taken care of. Dr. Kalonaros will take his time with you, never making you feel rushed. I give him 5 stars for excellence! ⭐️ ⭐️ ⭐️ ⭐️ ⭐️
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09/07/2023 Emily Grabowski
I am a brand new patient from a family referral but he treats everyone like it’s his own family. I had a complex acute medical issue and he was the first professional who looked at the whole picture and broke it down for my husband and I so we could finally move forward in my recovery.

He is very understanding and knowledgeable. He may be the only primary I’ve had who knows about a variety of conditions and is spot on with them (the man knows his stuff about migraines where previously only neurologists could advise me when I was under the care of my old PCPs)

For what it’s worth: I do work in direct patient care and after one visit I can attest: this man is truly an incredible doctor. You’d be lucky to have him, I know I am.
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03/09/2023 Jon techwiz
He has been my doctor for many years.
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02/16/2023 Joe Molf
Dr. Kalonaros has helped me regularly; great demeanor especially dealing with an annoyance like me! I appreciate him greatly!
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02/14/2023 Stephen Yazulla
I am very happy with the care I receive with Dr. Kalonaros. He is very knowledgeable, caring and communicates very well. He the second doctor my wife and I have had with MD-VIP, and we are grateful to Dr. Steven Friedling for recommending him to us upon his retirement. Dr. Kalonaris is excellent; we look forward a continuing relationship over the upcoming years.
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01/29/2023 Steven Lohlein
Dr. Kalonaros has been my physician for 35 years. Professional, thorough, accurate, friendly and you leave the office knowing your health and well-being are in good hands. I would not make any health decision without him.
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11/10/2022 Yanni Agrotis
Dr. Kalonaros has been my family's doctor for over 2 decades now. We've stuck with him because he's like family to us and is always there for us through all of our health struggles and guides us with reassuring words and a smile. He is always great to speak to and work with and visit.
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08/17/2022 Mary Kari
The BEST Doctor. Dr. Kalonaros cares for his patients as if they were his own family members.
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05/17/2022 Eileen Cleary
Love this doctor.....he really cares.
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03/18/2022 Walter Ebe
I have always valued his opinion, knowledge and assistance. He is like family to our family.
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02/16/2022 Carol Pizzingrillo
Dr. Kalonaros is a very attentive physician who truly cares about the well being of his patients. In my personal experience, he was my advocate while hospitalized in a facility he was not affiliated with, and they partnered to get me the best care during my recovery. He is reachable 24/7, probably not to the delight of his lovely wife, but he takes his oath seriously. A straight shooter when giving you information, Dr. Kalonaros is a compassionate and caring physician. It's why I've been with his practice for over 26 years. I highly recommend him to anyone seeking a new practice.
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02/12/2022 Mindy Boyd
Dr. Kalonros is fantastic, he takes the time to listen and really get to know you along with the health issues or concerns you have. This is my first concierge physician and I will never go back to a general practice. The benefits that come along with the concierge service and the caring staff at Dr. Kalonaros office is well worth it, even for someone that does not visit the Doctor often.
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02/10/2022 Anthony Quinn
The staff that work at the front desk are friendly the Doctor assistant that works with him is very good as well just keep up the good work DOC lol
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03/07/2020 Darlene Walters
Dr Kalonaros is professional and knowledgeable. He is also EXTREMELY dedicated to his patients. He is kind and personable. By far he is the best
Physician I’ve ever had!!!!
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03/07/2020 EPICURIAN
Dr Kalonaros has exceeded all my expectations. His service is outstanding in all aspects and so is his personality. I highly recommend him
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03/03/2020 Dina Tumbarello
I have been extremely satisfied with my care under DR Kalanaros. He has diagnosed me a few times which saved my Life. I never have a wait more than 5 minutes. He has a wonderful bedside manner. I can’t say enough about him.
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02/04/2020 Robert Bobek
Dr. Kalonaros has been my family doctor for two decades now...he is an excellent and caring doctor who answers all your questions, and never rushes you out...I can't speak highly enough of him, he's a great physician ☺
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11/11/2019 Jean MS
Dr K is amazing! I have been a patient for 10 years. He explains exactly what's wrong and has a wonderful personality for a doctor. I would recommend him to anyone!
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02/08/2019 Diane Sch
Dr. Kalonaros provides the absolute best medical care I have ever had by any medical professional. He not only is an excellent diagnostician, he also has a phenomenal bedside manner. He truly cares about his patients well-being and does all he can to ensure that his patients are given the best medical care!

Frequently Asked Questions

Doctors who operate in the MDVIP models typically see far fewer patients than traditional primary care doctors. That gives them more time to develop deeper doctor-patient relationships that can lead to better outcomes. They can also offer conveniences that most primary care doctors can’t, including same- and next-day appointments. They’re available after hours for urgent matters. And they have time to focus on prevention. That focus begins with the MDVIP Wellness Program, which patients pay for with their annual membership fee.

Most MDVIP-affiliated primary care practices accept insurance (your physician can tell you whether they accept your specific insurance plan). Your annual fee pays for preventive care medical services that insurance usually doesn’t cover (e.g., advanced diagnostic testing and screenings). Your MDVIP-affiliated physician will continue to bill your insurance and charge copays, co-insurances and deductibles as he or she currently does for other medical services like sick visits.

MDVIP makes wellness and prevention easier by providing your physician with innovative tools and technology. MDVIP supports your physician’s practice and seeks to eliminate barriers to a positive healthcare experience. Your doctor will determine whether and how to incorporate these tools at his/her discretion.

**The message above is a personal introduction from the physician, intended to help you get to know them better. The views, opinions, and statements expressed above are solely those of the physician and do not necessarily reflect the views or positions of MDVIP. This content is intended for general background purposes only and does not constitute medical advice, diagnosis, or treatment. Any mentions of expertise or quality of care are personal expressions and should not be interpreted as guarantees of performance or outcomes.