Summary

Dr. Deepu Alexander specializes in cardiovascular disease and internal medicine, bringing over two decades of expertise to his practice. He earned his medical degree from Kasturba Medical College Manipal and completed his residency training at SUNY Stony Brook University Hospital & Medical Center. With 26 years of experience treating heart and internal medicine conditions, Dr. Alexander provides comprehensive cardiovascular care. He is fluent in both English and Spanish.

Dr. Alexander maintains affiliations with several leading hospitals including Stony Brook University Hospital, NYU Langone Hospital Suffolk, and The Mount Sinai Hospital, with practice locations throughout East Patchogue, Stony Brook, New Hyde Park, and New York. He focuses on treating high blood pressure conditions, including hypertensive emergencies and pediatric hypertension cases. His expertise includes performing electrocardiograms to assess heart rhythm, remote patient monitoring for ongoing care, and contrast echocardiography for detailed heart imaging. Patients rate Dr. Alexander 4.2 out of 5 stars for his cardiovascular care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 26 years of experience
  • speaks English, Spanish
  • Suny Stony Brook University Hospital & Medical Center
  • 2 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 7 hospital affiliations
  • 9 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Deepu Koshy Alexander has 9 locations

Brookhaven Heart Pllc

325 E Main StEast Patchogue, NY 11772
Mon8:30 am - 7:00 pm
Tue8:30 am - 7:00 pm
Wed8:30 am - 7:00 pm
Thu8:30 am - 7:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Stony Brook University Hospital

101 Nicolls RdStony Brook, NY 11794

Brookhaven Heart Pllc

1710 Lakeville RdNew Hyde Park, NY 11040
Mon1:00 pm - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 12:00 pm
SatClosed
SunClosed

Long Island Community Hospital

101 Hospital RdPatchogue, NY 11772

Saint Charles Hospital

200 Belle Terre RdPort Jefferson, NY 11777

The Mount Sinai Hospital

1468 Madison AveNew York, NY 10029

The Mount Sinai Hospital

1 Gustave L Levy PlNew York, NY 10029

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Dr. Deepu Koshy Alexander, MDDr. Raghav Sharma, MDDr. Michael L. Schwartz, MDSivaranjani Ramamoorthy
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseNurse Practitioner
Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.5 
26 Years of Experience 16 Years of Experience 38 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish Speaks English, Hindi Speaks English
East Patchogue , NYWinter Park , FLPomona , NYStony Brook , NY
Med School: Kasturba Medical College Manipal Med School: New York Medical College Med School: University Of South Florida Health Morsani College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Deepu Koshy Alexander

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Deepu Koshy Alexander has the following 2 specialties

Specialty Expertise

Dr. Deepu Koshy Alexander has the following 13 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Cholesterol
  • Hypertension
  • Internal Medicine
  • Stroke
  • Unstable Angina

Certifications, License, & Education

26 Years Experience

Dr. Deepu Koshy Alexander holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at Suny Stony Brook University Hospital & Medical Center.

Medical School

Graduated from Kasturba Medical College Manipal in 2000.

NPI Number

Dr. Alexander's NPI number is 1275728560.

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Frequently Asked Questions

Does Dr. Deepu Alexander accept my insurance?
You can see the insurance plans that Dr. Deepu Alexander accepts on their Vitals profile.
What languages does Dr. Deepu Alexander speak?
Dr. Deepu Alexander speaks English and Spanish.
Does Dr. Deepu Alexander accept virtual/telehealth appointments?
Dr. Deepu Alexander has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Deepu Alexander accepting new patients?
Dr. Deepu Alexander is accepting new patients on Vitals. View Dr. Deepu Alexander's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Deepu Alexander?
You can find contact information for Dr. Deepu Alexander here on Vitals.

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