image
–/5No reviews

No reviews yet. Be the first patient to rate Dr. Mermelstein — your review helps the next person decide.

Rate Dr. MermelsteinTap to rateWrite a review

Takes about two minutes. Only your first name or chosen display name is shown — your email stays private.

Your review of Dr. Mermelstein
No reviews yet

Dr. Joseph N. Mermelstein sees patients in Harrison as a gastroenterologist with White Plains Physician Services PC.

Dr. Mermelstein at a glance

Specialty
Gastroenterologist
Credentials
MD
Practice
White Plains Physician Services PC
Address
600 Mamaroneck Ave, Harrison, NY 10528
Phone
(914) 723-8100
Medical school
Icahn School of Medicine at Mount Sinai (2011)
Hospital affiliations
White Plains Hospital Center
Medicare assignment
Accepts
Telehealth
Available
NPI number
1689963662
NY license no.
273034

Medical school: Icahn School of Medicine at Mount Sinai, class of 2011.

You'll find Dr. Mermelstein at 600 Mamaroneck Ave, Harrison, NY 10528. Call (914) 723-8100 to schedule. He accepts Medicare assignment — useful to know if you are on traditional Medicare. He is listed as offering telehealth.

On the hospital side, Dr. Mermelstein holds an affiliation with White Plains Hospital Center.

Seen Dr. Mermelstein recently? Share how your visit went.

Medicare, Medicaid and hospitals

Medicare patients (2024)
478 people with traditional Medicare, average age 76
Most common services billed to Medicare
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
  • Biopsy of large bowel using a flexible endoscope
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare
Procedures on Medicare Care Compare
  • Colonoscopy 209 procedures
  • Upper gastrointestinal (GI) endoscopy for acid reflux 103 procedures
Medicare quality score (MIPS 2024)
99 out of 100 — reported through the group practice
New York Medicaid
Enrolled fee-for-service provider since 2021. Medicaid managed-care plans keep their own networks, so check with your plan.
Hospital pages
White Plains Hospital 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 3 in Harrison or 97 across Westchester County.

Other gastroenterologists in Westchester County

Write a review

Expertise

Communication

Responsiveness

Value

Browse

Your review is recommended to be at least 140 characters long

image

Frequently Asked Questions

With White Plains Physician Services PC, at 600 Mamaroneck Ave, Harrison, NY 10528.

Call the office at (914) 723-8100.

Yes — Dr. Mermelstein accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.

White Plains Hospital Center.

building Is this your profile? Claim it Claim it
image