0 reviews
Summary
Dr. Leonard Haas treats abdominal pain, abdominal pain in pregnancy, and constipation, and performs laparoscopy and upper GI endoscopy. He practices gastroenterology with eight years of experience. Dr. Haas earned his medical degree from Mayo Clinic Alix School of Medicine and sees patients in New Hyde Park and Rockville Centre, New York.
Overview based on verified provider data
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
Leonard Haas has 2 locationsLeonard Haas
2800 Marcus Ave Ste 201New Hyde Park, NY 11042 Tel: (516) 696-2982
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
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
 |  |  |  |
| Leonard Haas, MD | Dr. Hon-Ming Eng, MD | Dr. Connie Park, MD | Dr. Weidan Zhao, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 8 Years of Experience | 9 Years of Experience | 9 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English, Cantonese, Chinese, Mandarin, Chinese (Cantonese), Chinese (Mandarin) | 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: SUNY Downstate Health Sciences University College of Medicine (State University of New York) | Med School: University of Texas Southwestern Medical School | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Leonard Haas
Medical Specialties
Leonard Haas has the following 2 specialties
Specialty Expertise
Leonard Haas has the following 2 areas of expertise
Certifications, License, & Education
8 Years Experience
Leonard Haas 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 Mayo Clinic Alix School Of Medicine in 2018.
NPI Number
Leonard Haas' NPI number is 1073019584.
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Frequently Asked Questions
- Where is Leonard Haas's office located?
- Leonard Haas's office is located at 2800 Marcus Ave Ste 201, New Hyde Park, NY, 11042.
- Does Leonard Haas accept my insurance?
- You can see the insurance plans that Leonard Haas accepts on their Vitals profile.
- Does Leonard Haas accept virtual/telehealth appointments?
- Leonard Haas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- What languages does Leonard Haas speak?
- Leonard Haas speaks English.
- Is Leonard Haas accepting new patients?
- Leonard Haas has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
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