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Summary
Dr. Leonard Haas is a gastroenterologist who brings eight years of experience to his practice in digestive health care. He earned his medical degree from the prestigious Mayo Clinic Alix School of Medicine, providing him with a strong foundation in gastroenterology and internal medicine. Dr. Haas is fluent in English and focuses on helping patients with a wide range of digestive concerns.
Dr. Haas practices in New Hyde Park and Rockville Centre, New York, making specialized gastroenterology care accessible to patients across these communities. He treats patients experiencing abdominal pain and constipation, including expectant mothers who develop abdominal discomfort during pregnancy. His clinical expertise includes performing iron testing to evaluate nutritional deficiencies and liver function assessments to monitor digestive health.
Dr. Haas practices in New Hyde Park and Rockville Centre, New York, making specialized gastroenterology care accessible to patients across these communities. He treats patients experiencing abdominal pain and constipation, including expectant mothers who develop abdominal discomfort during pregnancy. His clinical expertise includes performing iron testing to evaluate nutritional deficiencies and liver function assessments to monitor digestive health.
AI-generated from data on this provider profile.
Quick Facts
- 8 years of experience
- 30 insurance plans accepted
- speaks English
- Mayo Clinic Alix School Of Medicine
- 2 specialties
- 2 areas of expertise
- 2 office locations
- Male
Office Locations
Dr. Leonard Haas has 2 locationsDr. Leonard Haas
2800 Marcus Ave Ste 201New Hyde Park, NY 11042 Tel: (516) 622-6076
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
ThuClosed
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Dr. Leonard Haas
165 N Village Ave Ste 215Rockville Centre, NY 11570 Tel: (516) 536-7200
MonClosed
TueClosed
WedClosed
Thu9:00 am - 5:00 pm
FriClosed
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Leonard Haas, MD | Dr. Michael Dann, MD | Dr. Divya Mallam, MD | Dr. Connie Park, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 8 Years of Experience | 22 Years of Experience | 16 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | Speaks English |
| New Hyde Park , NY | NEW YORK , NY | NEW YORK , NY | New York , NY |
| Med School: Mayo Clinic Alix School Of Medicine | Med School: State University of New York | Med School: State University of New York (SUNY) Downstate Health Sciences University College of Medicine | Med School: State University of New York |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Leonard Haas
Medical Specialties
Dr. Leonard Haas has the following 2 specialties
Specialty Expertise
Dr. Leonard Haas has the following 2 areas of expertise
Certifications, License, & Education
8 Years Experience
MEDICAL LICENSE
Medical Doctor, New York, 2026, Expired
EDUCATION & TRAINING
Medical School
Mayo Clinic Alix School Of MedicineGraduated in 2018
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Frequently Asked Questions
- Does Dr. Leonard Haas accept virtual/telehealth appointments?
- Dr. Leonard Haas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Leonard Haas's office located?
- Dr. Leonard Haas's office is located at 2800 Marcus Ave Ste 201, New Hyde Park, NY, 11042.
- How can I make an appointment with Dr. Leonard Haas?
- You can find contact information for Dr. Leonard Haas here on Vitals.
- Does Dr. Leonard Haas accept my insurance?
- You can see the insurance plans that Dr. Leonard Haas accepts on their Vitals profile.
- Is Dr. Leonard Haas accepting new patients?
- Dr. Leonard Haas has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
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