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Dr. Thoi H. Ngo, a general surgeon based in Valhalla, NY, practices with Westchester Medical Center Advanced Physician Services PC.
He graduated from New York Medical College in 2014, which means 12 years have passed since medical school.
The office is at 95 Grasslands Rd, Valhalla, NY 10595; the phone number on record is (914) 493-6940. Dr. Ngo is also listed at 100 Woods Rd, Valhalla, NY 10595. 897 clinicians bill Medicare through Westchester Medical Center Advanced Physician Services PC, so it is a large group practice rather than a solo office. He accepts Medicare assignment — useful to know if you are on traditional Medicare. He is listed as offering telehealth.
Dr. Ngo is affiliated with Westchester Medical Center, Hudson Valley Hospital Center and Bon Secours Community Hospital.
About Dr. Ngo's practice
- Specialty
- General surgeon
- Credentials
- MD
- Practice
- Westchester Medical Center Advanced Physician Services PC
- Address
- 95 Grasslands Rd, Valhalla, NY 10595
- Phone
- (914) 493-6940
- Other locations
- 100 Woods Rd, Valhalla, NY 10595
- Medical school
- New York Medical College (2014)
- Hospital affiliations
- Westchester Medical Center, Hudson Valley Hospital Center, Bon Secours Community Hospital
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1194139923
- NY license no.
- 341330
Seen Dr. Ngo recently? Share how your visit went.
Medicare, Medicaid and hospitals
- Procedures on Medicare Care Compare
- Upper gastrointestinal (GI) endoscopy for acid reflux 1–10 procedures
- Removal of tissue 1–10 procedures
- Medicare quality score (MIPS 2024)
- 84 out of 100 — reported through the group practice
- New York Medicaid
- Enrolled fee-for-service provider since 2025. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Bon Secours Community Hospital · Hudson Valley Hospital Center · Westchester Medical Center
Comparing general surgeons? See 27 in Valhalla or 109 across Westchester County.
Other general surgeons in Valhalla
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Frequently Asked Questions
With Westchester Medical Center Advanced Physician Services PC, at 95 Grasslands Rd, Valhalla, NY 10595.
Call the office at (914) 493-6940.
Yes — Dr. Ngo accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Westchester Medical Center, Hudson Valley Hospital Center and Bon Secours Community Hospital.
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