0 reviews
Summary
Dr. Deena Merzel is a gastroenterologist who specializes in diagnosing and treating conditions affecting the digestive system. She earned her medical degree from New York Medical College and has been practicing medicine for eight years. Dr. Merzel is fluent in English.
Based in Syosset, New York, Dr. Merzel focuses on helping patients with digestive health concerns including abdominal pain, constipation, and changes in bowel habits. She performs essential procedures such as colonoscopies to screen for colon health and detect potential issues early. Dr. Merzel also offers virtual care consultations and utilizes blood tests to help diagnose various gastrointestinal conditions.
Based in Syosset, New York, Dr. Merzel focuses on helping patients with digestive health concerns including abdominal pain, constipation, and changes in bowel habits. She performs essential procedures such as colonoscopies to screen for colon health and detect potential issues early. Dr. Merzel also offers virtual care consultations and utilizes blood tests to help diagnose various gastrointestinal conditions.
Overview based on verified provider data
Quick Facts
- 8 years of experience
- 1 insurance plan accepted
- speaks English
- New York Medical College
- 2 specialties
- 2 areas of expertise
- 1 office location
- Female
Office Location
Deena Merzel
575 Underhill Blvd Ste 200Syosset, NY 11791 Tel: (516) 822-4404
MonClosed
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Deena Merzel, MD | Ji Soo Choi, APRN | Theresa Obonyano, APRN | Dr. Michael Dann, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 8 Years of Experience | 22 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | Speaks English |
| Syosset , NY | Sacramento , CA | Sacramento , CA | New York , NY |
| Med School: New York Medical College | Med School: New York University | Med School: The University of Texas Health Science Center at Houston | Med School: State University of New York |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Deena Merzel
Medical Specialties
Deena Merzel has the following 2 specialties
Specialty Expertise
Deena Merzel has the following 2 areas of expertise
Certifications, License, & Education
8 Years Experience
Deena Merzel 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
Medical School
Graduated from New York Medical College in 2018.
NPI Number
Deena Merzel's NPI number is 1881191690.
Similar doctors
Frequently Asked Questions
- Does Deena Merzel accept my insurance?
- You can see the insurance plans that Deena Merzel accepts on their Vitals profile.
- What languages does Deena Merzel speak?
- Deena Merzel speaks English.
- Is Deena Merzel accepting new patients?
- Deena Merzel has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Deena Merzel's office located?
- Deena Merzel's office is located at 575 Underhill Blvd Ste 200, Syosset, NY, 11791.
- How can I make an appointment with Deena Merzel?
- You can find contact information for Deena Merzel here on Vitals.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.





