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Dr. Karim Diab, MD

Dr. Karim Diab, MD

Cardiologist
8221 Baxter Avenue, Elmhurst, NY
4.20
“Great experience with Dr. Diab! I came in with overwhelming concerns and he really took the time to listen and respond and explain things clearly without making me feel rushed. He was attentive, informative, and genuinely seemed to care about helping me figure out what was going on. I also appreciated his recommendations and preventative approach with testing to make sure everything was covered. Highly recommend Dr. Diab to anyone looking for a cardiologist who actually listens and cares.”
Rawiah D.May 7, 2026
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What patients are saying

Overall rating

4.20

Average wait time

4.50

Bedside manner

5.00
“Great experience with Dr. Diab! I came in with overwhelming concerns and he really took the time to listen and respond and explain things clearly without making me feel rushed. He was attentive, informative, and genuinely seemed to care about helping me figure out what was going on. I also appreciated his recommendations and preventative approach with testing to make sure everything was covered. Highly recommend Dr. Diab to anyone looking for a cardiologist who actually listens and cares.”
Rawiah D.May 7, 2026
“Very professional—and, just as importantly, they have staff members who speak different languages. It was my first visit, and I was very pleased. I will continue to provide updates on how my treatment progresses. A thousand thanks for everything.”
Jose P.May 5, 2026

About Dr. Karim Diab

Dr. Karim Diab is a distinguished cardiologist. He practices at Northwell Health Cardiology - Central, serving patients in Elmhurst, NY. Dr. Diab obtained his medical degree from Saint Louis University School of Medicine. He pursued his residency at Montefiore Medical Center, Moses & Weiler campuses, and his fellowship at North Shore University Hospital. Dr. Diab is certified by the American Board of Internal Medicine. He is affiliated with Long Island Jewish Medical Center and North Shore University Hospital, where he provides comprehensive cardiac care focused on prevention, diagnosis, and management of heart-related conditions.

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In-network insurances

99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Emblem Health
UnitedHealthcare
UnitedHealthcare Oxford
200+ more in-network plans

Popular visit reasons

Aortic Valve Disease
COVID-19 Testing
Cardiology Consultation
Exercise Stress Test
High Blood Pressure / Hypertension
Leg Pain While Walking / Peripheral Vascular Disease
New Patient Visit
Ultrasound
Aortic Valve Disease
COVID-19 Testing
Cardiology Consultation
Exercise Stress Test

Office location

Northwell Health Cardiology - Central
8221 Baxter Avenue, Elmhurst, NY 11373
Get directions

Education and background

Practice names

Hospital affiliations

  • Long Island Jewish Medical Center
  • North Shore University Hospital
  • Forest Hills Hospital

Board certifications

  • American Board of Internal Medicine

Education and training

  • Medical School - Saint Louis University School of Medicine, Doctor of Medicine
  • North Shore University Hospital (Fellowship)
  • Montefiore Hospital, Residency in Internal Medicine

Languages spoken

  • English
  • French
  • Arabic
  • Spanish

Provider's gender

Male

NPI number

1811457906

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.20
Wait time
4.50
Bedside manner
5.00
Trust Banner Shield
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
5 reviews
Most relevant
Great experience with Dr. Diab! I came in with overwhelming concerns and he really took the time to listen and respond and explain things clearly without making me feel rushed. He was attentive, informative, and genuinely seemed to care about helping me figure out what was going on. I also appreciated his recommendations and preventative approach with testing to make sure everything was covered. Highly recommend Dr. Diab to anyone looking for a cardiologist who actually listens and cares.
Verified patient
Very professional—and, just as importantly, they have staff members who speak different languages. It was my first visit, and I was very pleased. I will continue to provide updates on how my treatment progresses. A thousand thanks for everything.
Verified patient
Dr.Diab was very friendly and great listener. He makes you feel heard and seen. I talked about my problems and he was not dismissive. The entire office and front desk staff were very kind as well.
Great doctor
Verified patient
Frequently asked questions

How soon can I make an appointment with Dr. Karim Diab?

Generally, Dr. Karim Diab has appointments available on Zocdoc within 1 week. You can see Dr. Diab's earliest availability on Zocdoc and make an appointment online.

Is Dr. Karim Diab accepting new patients?

Dr. Karim Diab generally accepts new patients on Zocdoc. You can see Dr. Diab's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Karim Diab accept my insurance?

Choose your insurance plan to verify if Dr. Diab is in-network.

Can I make an appointment with Dr. Karim Diab online?

Yes, you can make an appointment online with Dr. Diab using Zocdoc. It’s simple, secure, and free.

Which hospital is Dr. Karim Diab affiliated with?

Dr. Karim Diab is affiliated with Long Island Jewish Medical Center, North Shore University Hospital, and Forest Hills Hospital.

What practice does Dr. Karim Diab work with?

Where is Dr. Karim Diab's office located?

Dr. Karim Diab's office is located at 8221 Baxter Avenue, Elmhurst, NY 11373.

Which board certifications does Dr. Karim Diab have?

Dr. Karim Diab is certified by American Board of Internal Medicine.

What are common reasons for patients to see Dr. Karim Diab?

Dr. Karim Diab frequently sees patients for COVID-19 Testing, Cardiology Consultation , High Blood Pressure / Hypertension, New Patient Visit, and Ultrasound. You can see other visit reasons for Dr. Karim Diab on their profile.

What languages does Dr. Karim Diab speak?

Dr. Karim Diab speaks English, French, Arabic, and Spanish.

How do patients rate Dr. Karim Diab in reviews?

5 patients have reviewed Dr. Karim Diab. The overall rating for this doctor is 4.2/5. They have a 5/5 rating for bedside manner and a 4.5/5 rating for wait time. You can read individual reviews and ratings on their profile.

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