Credentials

Credentials

  • Board certifications

    • Cardiology - Amr Osteopathic Brd of Internal Med/Cardiology

    • Internal Medicine - Amr Osteopathic Brd of Internal Medicine

    • Nuclear Cardiology - Certification Board of Nuclear Cardiologists

  • Medical school

    • Des Moines University - Osteopathic Medical Center

  • Residencies

    • UMDNJ/Univ. of Medicine/Dentistry New Jersey

  • Internships

    • Metropolitan Hospital-Parkview Division

  • Fellowships

    • Long Island College Hospital

  • Affiliations

    • North Shore University Hospital

    • Plainview Hospital

Locations & insurance

Locations & insurance

Massapequa Heart Associates, 850 Hicksville Road, Suite 104North Seaford, NY 11783

Insurance information

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Patient ratings & comments

Patient ratings & comments

Unlike websites where anyone can post doctor reviews, only actual patients can provide information by completing the survey sent to them by Press Ganey. Learn more.

4.8 out of 5 4.8 out of 5 rating
| 337.0 patient ratings & 78 patient comments

Friendliness/courtesy of the care provider

4.9 out of 5 4.9 out of 5 rating

Explanations the care provider gave you about your problem or condition

4.9 out of 5 4.9 out of 5 rating

Concern the care provider showed for your questions or worries

4.8 out of 5 4.8 out of 5 rating

Care provider's efforts to include you in decisions about your treatment

4.8 out of 5 4.8 out of 5 rating

Information the care provider gave you about medications(if any)

4.8 out of 5 4.8 out of 5 rating

Instructions the care provider gave you about follow up care (if any)

4.8 out of 5 4.8 out of 5 rating

Degrees to which care provider talked with you using words you could understand

4.9 out of 5 4.9 out of 5 rating

Amount of time the care provider spent with you

4.8 out of 5 4.8 out of 5 rating

Your confidence in this care provider

4.9 out of 5 4.9 out of 5 rating

Likelihood of your recommending this care provider to others

4.8 out of 5 4.8 out of 5 rating

Most recent comments

Patient comments are gathered from the Press Ganey Pateint Satisfaction Survey. Comments are displayed in their entirety and are anonymous for patient privacy.

07/21/2018
"The best."
07/19/2018
"Great dr., very satisfied."
07/18/2018
"In every I am fully satisfied! "
07/17/2018
"I already have recommended him to others."
07/14/2018
"Dr Grainer is great as is his staff"
06/28/2018
"I've been a patient of Dr. Grainer now for four years. He is a terrific physician and a wonderful person. I have total confidence of his care for me."
06/22/2018
"Close to home. Very knowing & friendly."
06/06/2018
"Dr. Grainer was clear and informative and facilitated my concerns and helped me make my decisions about surgery."
05/08/2018
"Very happy with Massapequa Heart Group"
05/07/2018
"While Dr.Grainer is caring, friendly, professional and thorough, he always seems to be in a rush."
04/18/2018
"The best very professional always listens to what I have to say."
03/29/2018
"while I was recently hospitalized, Dr Grainer followed my progress, and made phone calls on my behalf, with recommendations for post surgicical care. He also kept in touch with my wife to answer any questions and concerns."
03/17/2018
"I feel very comfortable with my doctor and the nurses here."
01/31/2018
"Dr. Grainer is an amazing doctor. Never did I ever feel rushed through my exam or any explanation necessary. He answers all my questions thoroughly so he is sure I understand him. I have already recommended two friends who absolutely think he is the best! I'm very happy being his patient as I am sure he will give me the best care."
01/17/2018
"I have already recommended Dr. twice since my visit"
01/01/2018
"I have been seeing Dr. Grainer for years. He is always available for me, and returns my calls promptly."
12/21/2017
"#1. Dr. Steven Grainer."
12/09/2017
"I feel very comfortable with Dr. Grainer"
11/04/2017
"Great concern from the doctor. He really cares."
10/20/2017
"The absolute best - A #1 Dr. Grainer is above and beyond."
09/22/2017
"Explained everything - never done before."
09/09/2017
"Dr. Grainer is the best."
08/18/2017
"Very good experience."
08/17/2017
"All concerns and questions answered"
07/26/2017
"1st visit with new dr. Brought my records with me. "
07/02/2017
"Dr. Grainer has been my cardiologist for over 17 yrs. I have extreme confidence in him. I have recommended him and his office many times."
06/06/2017
"The #1 practice in Nass County!"
05/20/2017
"already have recommended Dr. Grainer to several people."
05/03/2017
"Dr Grainer was extremely knowledgeable and very thorough with the exam. I felt very comfortable and plan to use him as my new doctor."
03/23/2017
"Exceptional doctor."
03/16/2017
"Excellent and professional service."
03/10/2017
"Dr. Grainer is an amazing cardiologist. He answers all my questions without ever making me feel like I need further education to understand. He is respectful and I am amazed at how he remembers things we discussed in prior appointments which could have been 6 months ago. I already recommended him to 2 friends who really like him."
03/03/2017
"I feel very lucky and blessed to have Steve Grainer as my primary, and cardiologist."
03/02/2017
"I have already recommended Dr. Grainer to a close friend."
02/18/2017
"Very good experience."
02/17/2017
"I would recommend Dr. Grainer to other people who need his type of expertise."
02/16/2017
"all good"
02/15/2017
"Never had a bad experience with them they are the best of best."
01/24/2017
"Really cares for his patient."
01/19/2017
"It's all good!"
01/04/2017
"good"
12/19/2016
"Dr. Grainer is a fine physician and very caring."
12/17/2016
"respect both of my doctors that I see at this office"
12/08/2016
"He always recommended me to good specialists. I'm very thankful."
12/01/2016
"I had symptoms & Dr. Grainer did ALL tests & all were good results. He recommended further time with my other doctors. In the end I needed surgery (gastrointestinal & gynecological. I'm now healing."
11/21/2016
"Very nervous going in felt very confident about everything."
09/16/2016
"Dr. Grainer took extra time with me on my follow-up for open-heart surgery. He went over everything from procedure to medication. He was helpful in answering questions and guiding me in future care. He is patient, knowledgeable and most of all considerate of the patient. For these reasons I have recommended him and 3 friends are now seeing him. He's wonderful."
09/03/2016
"Helped me through a very difficult time."
08/02/2016
"Have already recommended Dr. Grainer."
07/13/2016
"Smooth."
07/07/2016
"I have referred several friends / family to this doctor and all are pleased"
06/30/2016
"Very knowledgeable, never make me feel rushed, follows through on phone calls, encouraged me to follow up with other care providers for specific issues, asks for test results from other providers."
06/29/2016
"Good."
06/16/2016
"Dr. Grainer was much more receptive to questions and suggestions about my health problems than my previous cardiologist. He listened to all my concerns and did not seem condescending at all with his responses."
06/02/2016
"I had open heart surgery and I couldn't find a better cardiologist than Dr. Grainer. His recommendation of Dr. Alan Hartman was wonderful and both doctors took such great care of me and I would recommend both of them any chance I got. Dr. Grainer's follow-up care is caring and he explains EVERYTHING so I understand it and proceeds to answer any questions I might have. Incredible doctor - wonderful person - wouldn't change cardiologists ever."
05/26/2016
"Very good experience."
05/02/2016
"I will soon be having DBS to help treat Parkinsons. Dr Grainer talked to me about the surgery, my expectations, and fears and concerns."
04/30/2016
"I have referred an employee of mine to Dr Grainer's office back in December or so because of the confidence I feel about this office."
01/26/2016
"Thorough explanation of items involved."
12/01/2015
"All good."
10/19/2015
"They all care about you."
09/11/2015
"Always a good experience."
07/30/2015
"A+++."
07/28/2015
"Good."
07/15/2015
"Dr. Grainer is the best."
03/06/2015
"Good."
12/31/2014
"Dr. Grainer is wonderful!"
11/20/2014
"No bad experience."
11/20/2014
"Good."
10/15/2014
"Good."
08/25/2014
"No problems."
08/19/2014
"Very good."
06/23/2014
"Most caring doctor I've ever had."
05/23/2014
"I like Dr. Grainer - - If I didn't I would go elsewhere."
05/13/2014
"Dr. Grainer always gave me satisfactory treatment."
01/23/2014
"Always a good experience and comfortable visits."
01/22/2014
"Dr. Grainer was great!"
01/14/2014
"Love my provider!!!"