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Dr. Nicholas J. Costable sees patients in Valhalla as a gastroenterologist with Westchester Medical Center Advanced Physician Services PC.
The office is at 95 Grasslands Rd, Valhalla, NY 10595; the phone number on record is (914) 493-6940. Other listed locations: 100 Woods Rd, Valhalla, NY 10595; 19 Bradhurst Ave, Hawthorne, NY 10532. He accepts Medicare assignment — useful to know if you are on traditional Medicare.
On the hospital side, Dr. Costable holds affiliations with Westchester Medical Center and Garnet Health Medical Center.
Dr. Costable at a glance
- Specialty
- Gastroenterologist
- 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; 19 Bradhurst Ave, Hawthorne, NY 10532
- Hospital affiliations
- Westchester Medical Center, Garnet Health Medical Center
- Medicare assignment
- Accepts
- NPI number
- 1790289197
- NY license no.
- 303919
Have you been a patient of Dr. Costable? A short, fair review — what went well, what didn't — helps the next person choosing a gastroenterologist in Valhalla.
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 14 people with traditional Medicare, average age 73
- Procedures on Medicare Care Compare
- Upper gastrointestinal (GI) endoscopy for acid reflux 288 procedures
- Colonoscopy 75 procedures
- Medicare quality score (MIPS 2024)
- 100 out of 100 — reported through the group practice
- New York Medicaid
- Enrolled fee-for-service provider since 2024. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Garnet Health Medical Center · Westchester Medical Center
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing gastroenterologists? See 8 in Valhalla or 97 across Westchester County.
Other gastroenterologists in Valhalla
Dr. Cynthia Cohen, MDGastroenterologist · Westchester Medical Center Advanced Physician Services PCNo reviews yetValhalla, NY
Dr. David C. Wolf, MDGastroenterologist · Westchester Medical Center Advanced Physician Services PCNo reviews yetValhalla, NY
Dr. Edward Lebovics, MDGastroenterologist · Westchester Medical Center Advanced Physician Services PCNo reviews yetValhalla, NY
Dr. Jonathan Potack, MDGastroenterologist · Westchester Medical Center Advanced Physician Services PCNo reviews yetValhalla, NY
Dr. Samuel H. Sigal, MDGastroenterologist · Westchester Medical Center Advanced Physician Services PCNo reviews yetValhalla, NY
Dr. Shireen Pais, MDGastroenterologist · Westchester Medical Center Advanced Physician Services PCNo reviews yetValhalla, NYWrite a review
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. Costable accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Westchester Medical Center and Garnet Health Medical Center.
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