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Summary
Dr. David Marcus is an internal medicine and emergency medicine physician who earned his medical degree from SUNY Downstate Medical Center College of Medicine. He completed his residency training at Long Island Jewish Medical Center, building a foundation in comprehensive patient care. With 17 years of experience treating patients across multiple medical settings, Dr. Marcus brings extensive expertise to both routine internal medicine care and urgent medical situations. He is fluent in English.
Dr. Marcus practices at several prestigious facilities including Long Island Jewish Medical Center, Staten Island University Hospital, and Wynn Hospital, with locations spanning New Hyde Park, Staten Island, and Utica, New York. His clinical expertise focuses on diagnosing and treating conditions such as chest pain, abdominal discomfort, and changes in consciousness levels. He performs essential procedures including emergency care, heart rhythm monitoring through EKGs, and specialized cooling …treatments for critically ill patients.
Read More Read less Dr. Marcus practices at several prestigious facilities including Long Island Jewish Medical Center, Staten Island University Hospital, and Wynn Hospital, with locations spanning New Hyde Park, Staten Island, and Utica, New York. His clinical expertise focuses on diagnosing and treating conditions such as chest pain, abdominal discomfort, and changes in consciousness levels. He performs essential procedures including emergency care, heart rhythm monitoring through EKGs, and specialized cooling …treatments for critically ill patients.
Overview based on verified provider data
Quick Facts
- 17 years of experience
- speaks English
- Li Jewish Medical Center
- 2 specialties
- 6 areas of expertise
- 7 hospital affiliations
- 5 office locations
- Male
Office Locations
Dr. David Avner Marcus has 5 locationsKatz Womens Hospital At Long Island Jewish Medical Center
27005 76th AveNew Hyde Park, NY 11040 Tel: (855) 850-5494
Compare with Similar Doctors
 |  |  |  |
| Dr. David Avner Marcus, MD | Dr. Timothy G Jayasundera, MD | Dr. Larisa V Mashensky, MD | Natalie Howard, MSN, DNP |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 17 Years of Experience | 31 Years of Experience | 6 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available |
| Speaks English | Speaks Russian, Spanish | Speaks English, Russian | Speaks English |
| New Hyde Park , NY | South Ozone Park , NY | New York , NY | New York City , NY |
| Med School: STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER COLLEGE OF MEDICINE | Med School: Ross University School of Medicine | Med School: First Tashkent State Medical Institute | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. David Avner Marcus
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. David Avner Marcus has the following 2 specialties
Specialty Expertise
Dr. David Avner Marcus has the following 6 areas of expertise
Certifications, License, & Education
17 Years Experience
Dr. David Avner Marcus 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 Li Jewish Medical Center.
Medical School
Graduated from STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER COLLEGE OF MEDICINE and Suny Downstate Medical Center College Of Medicine in 2009.
NPI Number
Dr. Marcus' NPI number is 1164730164.
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Frequently Asked Questions
- How can I make an appointment with Dr. David Marcus?
- You can find contact information for Dr. David Marcus here on Vitals.
- Is Dr. David Marcus accepting new patients?
- Dr. David Marcus has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. David Marcus's office located?
- Dr. David Marcus's office is located at 27005 76th Ave, New Hyde Park, NY, 11040.
- What languages does Dr. David Marcus speak?
- Dr. David Marcus speaks English.
- Does Dr. David Marcus accept my insurance?
- You can see the insurance plans that Dr. David Marcus accepts on their Vitals profile.
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