WMCHealth Physicians Advanced Gastroenterology, Valhalla
Gastroenterology • Valhalla, NY • Since 1917
About
WMCHealth (Westchester Medical Center Health Network) is a nonprofit, multi-hospital health system based in Valhalla, NY, founded in 1917. It operates 9 hospitals on 7 campuses with about 1,700–13,000+ staff across the network and 60 ambulatory sites. The system provides comprehensive care, including cancer, cardiovascular, emergency, neurology, orthopedics, primary care, transplant, urology, women’s health, and mental health, plus a dedicated pediatric hospital and NICU. It features Level I trauma (adult and pediatric) and is the region’s largest Medicaid provider north of NYC. For gastroenterology-specific needs, WMCHealth houses advanced gastroenterology services within its network, including access through Valhalla locations and affiliated outpatient clinics. For appointments or specialists, visit wmchealth.org or contact 914-493-7000.
Clinic Type
Gastroenterology
Address
Valhalla, NY
Phone
914.493.7000
Irene.Tsetsekos@WMCHealth.org
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Insurance & Payment
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Languages Spoken
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Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- WMCHealth (provider locator page for the location): 4.8 (shown on page snippet) (Not stated in snippet)
- WMCHealth (Dana R. Berg, MD): 4.7 (43 Ratings)
- WMCHealth (Maya V. Menon, FNP): 4.9 (61 Ratings)
- Healthgrades (group practice listing: Advanced Gastroenterology, Valhalla): No group rating shown in snippet
- Healthgrades (Dr. Steven Silverman): Not stated in snippet (Not stated in snippet)
Patients praise
- High patient satisfaction scores shown for several clinicians associated with the practice/location
- Provider-specific high ratings such as 4.7–4.9 are displayed on the WMCHealth site
Common complaints
- Billing/insurance or coding-related complaints (e.g., 'Terrible billing' / frustrating billing department)
- Poor office experience elements reported such as difficulty getting in touch, inadequate follow-up, long waits, unprofessional staff/communication, and procedure/anesthesia frustrations
"“Terrible billing”"
— Healthgrades review snippet for Dr. Steven Silverman (Valhalla)"“Never received proper follow ups, could never get through to speak to a live person and mailbox would be full.”"
— Vitals review snippet for Dr. Stephen K. Heier (Valhalla)"“After a year of having a Colonoscopy with Dr. Heier I am still waiting for Dr. Heier to call me back with the results of it.”"
— Vitals review snippet for Dr. Stephen K. Heier (Valhalla)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Meet Westchester's Top Doctors in 2025 — Oct 19, 2025
- Lauren Washco — Jun 27, 2026
- Elena L Tsai, MD, Gastroenterology, White Plains, NY | ColumbiaDoctors at NewYork-Presbyterian The One — May 21, 2026
- WMCHealth Expands Cancer-Fighting Technology with Acquisition of Ion Robotic-Assisted Bronchoscopy System – Westchester Medical Center Health Network — Sep 23, 2025
- Westchester Medical Center Foundation Names David DeMilia as Chairman of the Board of Trustees – Westchester Medical Center Health Network — Feb 5, 2026
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Valhalla
Stoneleigh Medical Group operates under Westchester Putnam Gastroenterology. Key details: - Location coverage: Carmel, Brewster, Pawling, Jefferson Valley in NY; serves Valhalla area via Stoneleigh Medical Group. - Services: Gastroenterology and primary care with 24-hour on-call coverage, same-day and virtual appointments. - Resources: Patient forms, preparation sheets, education, insurance guidance; blog. - Staff/scale: About 10 employees; clinicians primarily in medical/gastroenterology roles. - Web presence: Website westchesterputnamgastro.com; monthly site visits ~3.8k with strong US reach and low bounce. If you need specifics—like exact address, appointment options, or who to contact for Valhalla—let me know and I’ll pull those details.
Summary: Westchester Medical Center Health Network (WMCHealth) in Valhalla, NY, is a nonprofit, integrated health system serving the Hudson Valley with about 1,700+ beds, 9 hospitals, 60+ ambulatory sites, and a large academic medical presence. It offers comprehensive gastroenterology services as part of its broad medical care spectrum, alongside trauma, transplant, cardiology, cancer, neurology, women’s health, and mental health. WMCHealth operates the region’s only Level I trauma center and is the state’s largest Medicaid provider north of NYC. The HQ is at 100 Woods Road, Valhalla, NY 10595. For gastroenterology, consult WMCHealth’s network of hospitals and affiliated specialists for evaluation, endoscopy, and GI-related treatments. Contact: 914.493.7000.
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