
Michael A. Masciello, MD
Cardiology
Highlights
Languages
- English
Gender
MaleLocations
- Cardiology, West Islip
- 540 Union Boulevard, West Islip, NY 11795
- Get Directions
- Phone: 631-669-2555
- Fax: 631-669-5787
Expertise
Education
- Fellowship: Nassau University Medical Center, Cardiology, 1985
- Internship/Residency: Nassau University Medical Center, Internal Medicine, 1983
- Medical School: University of Miami Medical School, 1980
Board Certifications
- Cardiovascular Disease: American Board of Internal Medicine, 1985
- Internal Medicine: American Board of Internal Medicine, 1983
Insurance
- Aetna
- Aetna Medicare PPO
- Affinity
- Affinity Essential
- Affinity Exchange
- Affinity Medicaid
- Affinity Medicare
- American Plan Administrators PPO
- Anthem
- Anthem Child Health Plus
- Anthem Essential Plan 1 & 2
- Anthem Essential Plan 3 & 4
- Anthem Medicaid and Individual
- Anthem Medicare
- Blue Cross Mcd Hmo
- Blue Cross Medicaid
- Center Light Hcare
- Center Light Hcare Medicaid
- Center Light Medicare
- Cigna
- Cigna Medicare
- Coventry Health Care
- Elderplan
- Elderplan Medicaid
- Emblem
- Emblem HIP
- Emblem Medicaid
- Emblem Medicare
- Fidelis
- Fidelis Health Exchange
- Fidelis Medicaid
- Fidelis Medicare
- First Health
- GHI
- GHI CBP NY City Employee
- GHI CBP PPO EPO
- GHI HMO
- GHI Medicare Choice PPO/Value Options
- GHI NYS NYC Value Options
- GHI PPO EPO
- HCP Child Health Plus
- Health First Medicare
- Healthsmart Benefit Solutions
- HIP
- HIP Child Health Plus
- HIP Hcare Partners Essent Pl 1&2
- HIP Hcare Partners Essential 3&4
- HIP Hcare Partners HMO
- HIP Hcare Partners Medicaid
- HIP Hcare Partners Medicare HMO
- HIP Hlth Essential Pl 1 & 2
- HIP Hlth Essential Pl 3&4
- HIP HMO POS
- HIP Medicaid
- HIP Medicare HMO
- HIP Medicare PPO
- HIP NY City HMO
- HIP PPO EPO
- HIP Somos Child Health Plus
- HIP Somos Essential Plan 1&2
- HIP Somos Essential Plan 3&4
- HIP Somos Medicaid/HARP
- Humana
- Humana Medicare
- Local
- Local 1 Bricklayers Magnacare
- Local 1102 Magna
- Local 1199 Emp SJH SEIU
- Local 1199 National Benefit Fund
- Local 1205
- Local 1298 Magna
- Local 138 Operating Engineers Magna
- Local 1500
- Local 1964
- Local 210 Retiree Grp Magna
- Local 210 Unity Welfare Fund
- Local 25 Ibew Magna
- Local 272 Welfare Fund Magna
- Local 29 Blasters & Drillers & Minors
- Local 3 Magna
- Local 30 Trust Fund Engineers Magna
- Local 338 Magna
- Local 342 50 Magna
- Local 342 Insurance Trust Magna
- Local 361 Magna Care
- Local 381 Magna
- Local 40 Iron Workers
- Local 463 Health Fund
- Local 522
- Local 66 Magna
- Local 6A Cement And Concrete
- Local 802 Musicians
- Local 803 Ibt Health And Welfare Fund Inc.
- Local 804
- Local 806 Bridge Painters - Alicare
- Local 810
- Local 810 Union Wire Metal
- Local 812 Magna
- Local 888 Magna
- Magna Direct Plus
- Magna Preferred PPO
- Medicaid
- Medicaid Out Of State
- Medicare
- Medicare Railroad
- Meritain Health
- Meritain Health Aetna PPO
- Molina
- Molina Exchange
- Molina Medicaid
- Multiplan
- Optum Health/Blue Cross
- Oscar
- Oscar Health Exchange
- Other Medicaid
- Other Medicare
- Oxford
- Oxford Bh
- Oxford Medicare
- Partners Health Plan
- Partners Health Plan Medicare
- Secure Horizon Mcr Complete PPO
- Sunrise
- Three Rivers
- Three Rivers Provider Network
- UMR
- UMR UHC Salt Lake City
- United HC Choice Plus POS
- United HC Community Child Health Plus
- United HC Community Medicaid
- United HC Essential Pl 1 & 2
- United HC Essential Pl 3&4
- United HC Exchange
- United HC HMO POS
- United HC Medicare HMO
- United HC Medicare PPO
- United HC Narrow Network
- United Hc Nexus ACO R
- United HC NexusACO OA
- United HC PPO
- United HC PPO Empire Plan
- United HC PPO EPO Indemnity
- United HC Speech
- United Health Plus PPO
- United Healthcare
- United Healthcare Medicaid
- United Healthcare Medicare
- United Healthcare Mpn
- VNS Choice
- Vns Choice Medicare Replacement
- Wellcare
- Wellcare Medicaid
- Wellcare Medicare
- World Trade Ctr Fund
Reviews
5 of 5 stars
673 Ratings, 93 ReviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 8/27/2026
I drive 200 miles to see Dr Masciello after moving away. Changed all other doctors but him. Will never leave his care. He is now the cardiologist to all my friends and family because of my recommendation
- 5 out of 5 starsReviewed on 8/27/2026
Very satisfied with doctor and facility.
- 5 out of 5 starsReviewed on 8/15/2026
I recommend doctor Masciello and PA [...] to everyone I talk to about heart conditions. That they are excellent.
- 5 out of 5 starsReviewed on 8/13/2026
Dr Masciello consistently excels at all he does to ensure quality of life.
- 5 out of 5 starsReviewed on 8/8/2026
Dr. Masciello is the BEST! So knowledgeable and even draws pictures of the heart. Simply amazing!
- 5 out of 5 starsReviewed on 8/8/2026
Excellent as always
- 5 out of 5 starsReviewed on 7/30/2026
When calling the office Dr. Or PA have gotten back to me ASAP
- 5 out of 5 starsReviewed on 7/29/2026
Dr Masciello is #1. He cares for his patients, and steers them in the right direction to achieve a healthier life style. Easy to get along with.
- 5 out of 5 starsReviewed on 7/17/2026
Explained the procedures very well.
- 5 out of 5 starsReviewed on 7/11/2026
Dr. Marciello is Amazing!!!....Always explains everything to me in terms that I can understand. Goes out of his way to help you, answers my questions and doesn't rush me out the door to get to the next patient.
- 5 out of 5 starsReviewed on 7/10/2026
[...] with Dr Masciello provide answers for treatment and better lifestyle
- 5 out of 5 starsReviewed on 7/9/2026
Been going to Dr Masciello for over 30 years. Terrific knowledge of my conditions and concerns He can sift through test results and pick out stuff that others may miss. His relationship with his PA [...] is a joy to watch they form an admirable team along with the other members.
- 5 out of 5 starsReviewed on 6/27/2026
Grreat
- 5 out of 5 starsReviewed on 6/26/2026
Always above and beyond my expectations
- 5 out of 5 starsReviewed on 6/25/2026
Dr. Masciello is one terrific doctor!
- 5 out of 5 starsReviewed on 6/23/2026
My experience with care providers is always good. Communication regarding concerns and.plan of care addressed.
- 5 out of 5 starsReviewed on 6/21/2026
Both [...] and Dr Masciello were excellent in their listening, care and advice
- 5 out of 5 starsReviewed on 6/16/2026
Dr Masciello & [...] are fantastic. They have been taking care of me for years ... And I appreciate soo much what they do for me !
- 5 out of 5 starsReviewed on 6/15/2026
Dr. Masciello is " The Best " doctor ever ! [...] (P/A) always very thorough . They are a great combination .
- 5 out of 5 starsReviewed on 6/12/2026
I couldn't ask for better doctors there. I'm very lucky to have them.
- 5 out of 5 starsReviewed on 6/10/2026
Always makes me feel better
- 5 out of 5 starsReviewed on 6/6/2026
[...] and Doctor Masciello are amazing wouldn't come anywhere else
- 5 out of 5 starsReviewed on 6/3/2026
Great empathy caring and compassion
- 5 out of 5 starsReviewed on 5/26/2026
I recommend Dr. Masciello to every one. He is #1. He truly cares about his patients
- 5 out of 5 starsReviewed on 5/23/2026
Dr Masciello went far and beyond to care for me on what was my first visit to South Bay. He the cardiologist that was referred to me by current patients and he surely deserves all the praise and compliments that were shared with me before I actually was a patient myself.
- 5 out of 5 starsReviewed on 5/20/2026
Excellent caring physician Very knowledgeable and helpful
- 5 out of 5 starsReviewed on 5/15/2026
They take very good care of me. I never have any problems with the way I am treated.
- 5 out of 5 starsReviewed on 5/6/2026
Dr Masciello and PA [...]are a great team and I am very satisfied being in their care. They are always responsive to my medical issues and my concerns regarding my health.
- 5 out of 5 starsReviewed on 5/3/2026
Dr Masciello is the cardiologist for our entire family! Excellent care and he shares the pictures of his dogs with us!! Always a pleasure!
- 5 out of 5 starsReviewed on 5/1/2026
Very good
- 5 out of 5 starsReviewed on 4/29/2026
Always explained to me
- 5 out of 5 starsReviewed on 4/26/2026
Dr. Masciello and [...] are very thorough and clear about recommendations and my care
- 5 out of 5 starsReviewed on 4/26/2026
Top notch Dr. - 5 stars
- 5 out of 5 starsReviewed on 4/25/2026
Dr. Masciello and PA [...]are top quality medical professionals.
- 5 out of 5 starsReviewed on 4/25/2026
[...]PAC and Dr Masciello are beyond words in care , kindness and encouragement.
- 5 out of 5 starsReviewed on 4/22/2026
All went well.
- 5 out of 5 starsReviewed on 4/19/2026
Dr. Masciello and his staff have always been wonderful .
- 5 out of 5 starsReviewed on 4/17/2026
I always know they have my best interests in mind and were amazing at addressing prescription and surgery issues.
- 5 out of 5 starsReviewed on 4/6/2026
Everyone was incredibly kind, professional, helpful and excellent all around.
- 5 out of 5 starsReviewed on 4/4/2026
Love my doctor and PA
- 5 out of 5 starsReviewed on 3/27/2026
Excellent.
- 5 out of 5 starsReviewed on 3/27/2026
Best caring thourough
- 5 out of 5 starsReviewed on 3/25/2026
Dr Masciello is wonderful, he explains everything, and he is so kind
- 5 out of 5 starsReviewed on 3/24/2026
Positive Confidence
- 5 out of 5 starsReviewed on 3/23/2026
I couldn't ask for a better physician or PA to have concerns for my health.
- 5 out of 5 starsReviewed on 3/17/2026
[...]Dr Masciello are the best
- 5 out of 5 starsReviewed on 3/6/2026
Mike has been The best.
- 5 out of 5 starsReviewed on 3/4/2026
Very good
- 5 out of 5 starsReviewed on 3/1/2026
Everyone is fantastic
- 5 out of 5 starsReviewed on 2/23/2026
Dr M knows my regular doctor and they communicate.
- 5 out of 5 starsReviewed on 2/21/2026
I have the utmost respect for my doctor.
- 5 out of 5 starsReviewed on 2/21/2026
Dr Masciello is excellent!!!
- 5 out of 5 starsReviewed on 2/21/2026
Dr. Masciello always explains my test results and answers my questions.
- 5 out of 5 starsReviewed on 2/16/2026
Both [...] and Dr Masciello are incredible and I recommend them to everyone
- 5 out of 5 starsReviewed on 2/13/2026
[...] the P A went over information and concerns I had ! I travel 2 hours from[...] to see Dr Masciello . He is the most caring , sensitive and informed Dr that I see ! He is very patient, knowledgeable and has a great sense of humor !! I feel at ease and comfortable during my visits !! Dr Masciello goes over and above to listen to me and never rushes through appointments !!! I highly recommend him and have a number of family members who are his patients !
- 5 out of 5 starsReviewed on 2/9/2026
Professional, warm, and caring.
- 5 out of 5 starsReviewed on 2/7/2026
Super doctor. Dr. Masciello is a kind human being and skilled clinician
- 5 out of 5 starsReviewed on 2/7/2026
Dr. Masciello always shows interest and much concern in whatever you may be dealing with. He answers your questions and/or tries to find answers that the patient may need/want to know before leaving the visit. I feel he goes above & beyond not only being a heart doctor but a man with much compassion for what he does.
- 5 out of 5 starsReviewed on 2/7/2026
Dr Masciello is always concerned about not just my heart but also my other serious health problems!
- 5 out of 5 starsReviewed on 2/7/2026
Dr Masciello is and has always been a top notch, caring and professional physician
- 5 out of 5 starsReviewed on 2/4/2026
Excellent!!
- 5 out of 5 starsReviewed on 2/4/2026
Dr. Masciello & [...] PA provided excellent thorough care as well as all of the support staff
- 5 out of 5 starsReviewed on 2/3/2026
Thoroughly explained my medical condition, and set me up for another test at Saint Francis Hospital
- 5 out of 5 starsReviewed on 2/3/2026
Dr. Masciello was thorough,concerned about my condition, and followed up immediately. I could not have asked for more.
- 5 out of 5 starsReviewed on 2/2/2026
Explanations by Dr. Masciello were very good. Was a good Dr visit
- 5 out of 5 starsReviewed on 2/1/2026
Dr Masciello is truly wonderful. He's thorough and makes you feel comfortable.
- 5 out of 5 starsReviewed on 1/27/2026
Excellent
- 5 out of 5 starsReviewed on 1/26/2026
Was very impressed
- 5 out of 5 starsReviewed on 1/23/2026
Dr. Was very informative and friendly!
- 5 out of 5 starsReviewed on 1/14/2026
Technician; Nurse; Dr. Masciello all were superb!
- 5 out of 5 starsReviewed on 1/14/2026
Mike Masciello on a scale of 1-10 is an 11!!! So is PA [...]!!! Also a wonderful staff!
- 5 out of 5 starsReviewed on 1/11/2026
Excellent
- 5 out of 5 starsReviewed on 1/9/2026
I've known Dr. Masciello for many years . He is the only cardiologist that I want to see .
- 5 out of 5 starsReviewed on 1/2/2026
Good
- 5 out of 5 starsReviewed on 12/30/2025
Excellent doctor!!
- 5 out of 5 starsReviewed on 12/24/2025
Dr. Masciello [...] are true professionals. They are caring, helpful individuals. It's always a pleasure to deal with them. They make an excellent team. I thank God for them.
- 5 out of 5 starsReviewed on 12/22/2025
Fantastic Doctor and incredible human being
- 5 out of 5 starsReviewed on 12/22/2025
Dr. Masciello and his PA[...] are simply the BEST!
- 5 out of 5 starsReviewed on 12/21/2025
Dr Masciello is truly not just a great doctor but an amazing human being who goes the extra many miles always!!
- 5 out of 5 starsReviewed on 12/15/2025
My Cardiologist and his assistant are phenomenal doctors!
- 5 out of 5 starsReviewed on 12/15/2025
Dr. Masciello is the best doctor I have ever had the pleasure of seeing. [...] I feel very comfortable and at ease with them taking care of my health
- 5 out of 5 starsReviewed on 12/12/2025
Always a great experience.
- 5 out of 5 starsReviewed on 12/10/2025
Excellent care from [...] and Dr. Masciello
- 5 out of 5 starsReviewed on 12/10/2025
The doctors & PA are EXCELLENT..Go far above other doctors
- 5 out of 5 starsReviewed on 12/7/2025
I was very satisfied on how all my needs were met
- 5 out of 5 starsReviewed on 12/1/2025
Answered all my concerns.
- 5 out of 5 starsReviewed on 11/29/2025
I am very pleased with this physician. I felt that I was in good hands and can trust him with my health.
- 5 out of 5 starsReviewed on 11/28/2025
Great Doctor....The Best
- 5 out of 5 starsReviewed on 11/28/2025
Nurse and echo technician were fantastic! May have contributed to me exceeding last years results Dr. Masciello is a character and enjoy his candor and dedication
- 5 out of 5 starsReviewed on 11/24/2025
Great Service and nice to talk to.
- 5 out of 5 starsReviewed on 11/22/2025
I have been a patient of this practice for so many years.& I know I'm getting the best care here. I'm in great hands!
- 5 out of 5 starsReviewed on 11/18/2025
Dr. Masciello was excellent and took the time to discuss all of my health issues. He referred me for a blood test on an unrelated matter that turned out to be a life saver
- 5 out of 5 starsReviewed on 11/14/2025
Very professional