Jonathan S. Lown, MD | Commack, NY | Internist

.about .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Dr. Jonathan Lown treats obstructive sleep apnea, sleep apnea, and sleep apnea in children, and performs blood tests and arterial blood gases. He has practiced internal medicine for 31 years and is affiliated with Saint Catherine of Siena Medical Center. Dr. Lown earned his medical degree from SUNY Downstate Medical Center College of Medicine and completed his residency at Columbia Presbyterian Medical Center. He sees patients in Commack, New York, and speaks Spanish.

Overview based on verified provider data

accepting new patients
4

53 Ratings
31 years of experience
51 insurance plans accepted
speaks Spanish
Columbia Presbyterian Medical Center
22 written reviews
1 specialty
7 areas of expertise
1 hospital affiliation
1 office location
Male

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

Based on patient feedback. Read the reviews

Jonathan S Lown's Ratings and Reviews

4

53 Ratings with 22 written Reviews

Average Wait Time 26 Minutes

How was your appointment with
Jonathan Lown?

Patients’ Perspective

Gave an accurate diagnosis: (27) Did WellNeeds Improvement (4)
Had a good bedside manner: (25) Did WellNeeds Improvement (5)
Spent time with me: (27) Did WellNeeds Improvement (4)
Provided follow-up after the visit: (26) Did WellNeeds Improvement (4)
Flexible scheduling: (28) Did WellNeeds Improvement (3)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

53 ratings & reviews

Sort:

Showing 1 to 10 of 22 reviews

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

He is truly and amazing doctor, he explains everything he is doing, draws pictures if he needs to for your to understand exactly what he is saying. He spends a lot of time with his patients and make sure you don't leave the practice feeling confused. Sometimes the wait can be a little difficult (20-35mins), but you know that the same level and time you received, everyone else did also. His staff is very caring and knowledgeable; spending time with you, answering any questions and going out of the way to help.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

December 12th, 2019

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Always listens and is attentive. Treats the whole patient not just a symptom.

August 4th, 2019

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

My visits to Dr. Lown are marked by thorough exams & relevant & enlightening conversations. He is extremely diligent in attempting to Determine the right diagnosis & is reassuring & positive in conveying Such info. He is gentle & calming in his approach, making one feel completely Comfortable. Pat Morgan

July 31st, 2019

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

My visits to Dr. Lown are marked by thorough exams & relevant & enlightening conversations. He is extremely diligent in attempting to Determine the right diagnosis & is reassuring & positive in conveying Such info. He is gentle & calming in his approach, making one feel completely Comfortable. Pat Morgan

July 31st, 2019

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

My visits to Dr. Lown are marked by thorough exams & relevant & enlightening conversations. He is extremely diligent in attempting to Determine the right diagnosis & is reassuring & positive in conveying Such info. He is gentle & calming in his approach, making one feel completely Comfortable. Pat Morgan

July 31st, 2019

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

My family has been going to Dr Lown for many years. He is extremely intelligent and has a warm personality. He gives you all the time you need and is a superb diagnostician. I always feel that he is genuinely interested in my well being. I highly recommend him. He also picks wonderful assistants to work with him.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

July 12th, 2019

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Have been going to him for almost 20 years. Tried a couple of others in between and are not as good as him-not even close. He is thorough, answers questions clearly and does not rush. H

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

January 7th, 2017

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Absolutely amazing Dr.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

November 13th, 2015

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

I don't undersatnd the "rude" comments. I have seen Dr. Lown a few times and have never experienced him being rude to me or anyone else. He has helped me a lot with my sleep issues- he is a busy man but that's the way it is in the medical field these days.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

May 11th, 2015

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

I was a vip patient of dr lown he began delta sleep studies he is away taking courses an d does not leave an on call physician he is rude and crude and by far the most unprofessional doctor I have ever known

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

May 4th, 2015

Jonathan S Lown

2171 Jericho Turnpike Suite 100Commack, NY 11725

Tel: (631) 343-7242

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 - 5:00 pm

SatClosed

SunClosed


Jonathan S Lown, MD	Dr. Piya Ghoshal, MD	Natalie Howard, MSN, DNP	Eric Harker
Internal Medicine	Internal Medicine	Internal Medicine	Internal Medicine
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4 (53 Ratings)	4.4 (41 Ratings)	5 (1 Rating)	4 (8 Ratings)
31 Years of Experience	28 Years of Experience	6 Years of Experience	25 Years of Experience
No Virtual Visit Option	No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available
Speaks Spanish	Speaks English	Speaks English	Speaks English
Commack , NY	Amityville , NY	New York City , NY	Lyons , CO
Med School: Suny Downstate Med Ctr	Med School: St Georges University School Of Medicine		Med School: Duke University School Of Medicine
Current Profile	View Profile	View Profile	View Profile

Search for your insurance and plan

Internal Medicine

Check-up
Heartburn
Immunization
Insomnia
Physical
Vaccination
Weight Loss

Jonathan S Lown holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2027.

Education & Training

Residency

Completed their residency at Columbia Presbyterian Medical Center.

Medical School

Graduated from Suny Downstate Med Ctr and Suny Downstate Medical Center College Of Medicine in 1995.

NPI Number

Jonathan S Lown's NPI number is 1265538458.

Malavika Shankar
Critical Care Medicine
8 Years Exp | Brooklyn, NY
(0)
Brandon Hyunmo Koo
Diagnostic Radiology
5 Years Exp | Little Neck, NY
(0)
Jacklynn Samantha Ibrahim
Critical Care Medicine
6 Years Exp | Mineola, NY
(0)
Walter Johans Morales Borrero
Diagnostic Radiology
11 Years Exp | Stony Brook, NY
(0)
Stephen Haoru Liang
Critical Care Medicine
4 Years Exp | Stony Brook, NY
(0)
Niloofar Sima
Diagnostic Radiology
3 Years Exp | Mineola, NY
(0)
Samantha Carole Siler
Physical Medicine & Rehabilitation
3 Years Exp | Mineola, NY
(0)
Karthik Kanamalla
Diagnostic Radiology
4 Years Exp | Manhasset, NY
(0)
Yuchen Dong
Diagnostic Radiology
5 Years Exp | Manhasset, NY
(0)
Jonathan Otero Colon
Diagnostic Radiology
5 Years Exp | East Meadow, NY
(0)

Which hospitals is Jonathan Lown affiliated with?: Jonathan Lown is affiliated with Saint Catherine Of Siena Medical Center.
Where is Jonathan Lown's office located?: Jonathan Lown's office is located at 2171 Jericho Turnpike Suite 100, Commack, NY, 11725.
How can I make an appointment with Jonathan Lown?: You can find contact information for Jonathan Lown here on Vitals.
What languages does Jonathan Lown speak?: Jonathan Lown speaks Spanish.
Does Jonathan Lown accept my insurance?: You can see the insurance plans that Jonathan Lown accepts on their Vitals profile.

This provider profile is built using data from:

NPPES NPI Registry
State medical licensing boards
Healthcare system and provider network data

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.

Copyright © 2026 Vitals Consumer Services, LLC. US Patent No. 8, 694, 441. All Rights Reserved.
As more fully set forth in this website's terms of use . (1) nothing contained on or offered by or through this website should be construed as medical advice and should not be relied upon for medical diagnosis or treatment. Vitals Consumer Services, LLC ("Vitals"). the provider of this website, does not recommend or endorse any particular healthcare provider whose information or ratings appear on this website; and (2) Vitals has granted you a limited license to access and use this website for your own noncommercial use. You are not permitted to copy, reproduce, distribute, transmit, mirror, frame, scrape, extract, wrap, create derivative works of, reverse engineer, decompile or disassemble any part or aspect of this website.