Find the Best Gastroenterologists Near Me in Hempstead, NY
Gastroenterology • Hempstead, NY
Clinic Type
Gastroenterology
Address
121 Eileen Way, Syosset, NY 11791
Phone
219-476-7246
marketplace@tebra.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Team
Insurance & Payment
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Languages Spoken
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Photos

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What Patients Say
Overall sentiment across review platforms: mixed
- Zocdoc: 4.85 out of 5 (103 reviews)
- Healthgrades: 3.3 out of 5 (13 ratings)
- Tebra: 5.0 out of 5 (3 reviews)
Patients praise
- High level of medical expertise and experience
- Patient-focused care and willingness to go the extra mile
- Effective treatment results with minimal discomfort
Common complaints
- Long wait times
- Office disorganization and perceived unprofessionalism (for some patients)
"Dr. Immanuel is highly experienced and knows his stuff! He has done colonoscopies on my husband and myself without any issues or fears of tearing. He also did a lazer procedure to remove multiple obstructions in my colon. I didn't even hurt the day after! Yes, wait times are long and his office is..."
— Healthgrades"He was once a good doctor but now he is money-hungry, disorganized and unprofessional."
— Healthgrades"I have no complaints about this office, Dr. Pearlman or the staff!"
— Zocdoc (regarding Dr. Theodore Perlman)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Gastrointestinal Specialists of Long Island | Gastroenterologists located in Wantagh and Malverne, NY — Nov 12, 2025
- Long Island Gastroenterologist Specialists — Dec 2, 2021
- Shahzad Iqbal, MD | Catholic Health | Long Island - Babylon, NY - Gastroenterology - Schedule Online — Mar 22, 2026
- All Island Gastroenterology & Liver Associates — Dec 2, 2021
- Dr. Umair Nasir, DO - Gastroenterologist in Uniondale, NY | Healthgrades — Oct 24, 2025
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Hempstead
Gastrointestinal Specialists of Long Island is a small medical practice based in Wantagh, NY (3019 Merrick Rd), serving Wantagh and Malverne (Long Island). The team (3 employees) offers gastroenterology services with a partner-led structure (Zachary Marwil). Key details: - Industry: Medical Practices - Type: Partnership - Contact: 516-785-8075 / 516-785-8139 - Website: gislimd.com - Web presence: low traffic (~124 monthly visits) with typical engagement (3.4 pages per visit) - LinkedIn: company page available If you’re specifically looking for Gastrointestinal Specialists of Long Island in or around Hempstead, note their listed locations are Wantagh and Malverne, NY. No Hempstead office is mentioned in the provided profile.
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