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Dr. Gavin M. Gassen, an ear, nose and throat (ENT) physician based in Poughkeepsie, NY, practices with ENT and Allergy Associates LLP.
Tulane University School of Medicine is where Dr. Gassen went to medical school, graduating in 1992.
ENT and Allergy Associates LLP's Poughkeepsie location at 21 Reade Pl Suite 3200, Poughkeepsie, NY 12601 is where Dr. Gassen sees patients — appointments by phone at (845) 471-4086. For Medicare patients: Dr. Gassen accepts assignment.
On the hospital side, Dr. Gassen holds affiliations with Vassar Brothers Medical Center, Northern Dutchess Hospital and Westchester Medical Center.
Reviews here come only from patients. If you've seen Dr. Gassen, add yours.
Key facts
- Specialty
- Ear, nose and throat (ENT) physician
- Credentials
- MD
- Practice
- ENT and Allergy Associates LLP
- Address
- 21 Reade Pl Suite 3200, Poughkeepsie, NY 12601
- Phone
- (845) 471-4086
- Medical school
- Tulane University School of Medicine (1992)
- Hospital affiliations
- Vassar Brothers Medical Center, Northern Dutchess Hospital, Westchester Medical Center
- Medicare assignment
- Accepts
- NPI number
- 1508836636
- NY license no.
- 338537
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 257 people with traditional Medicare, average age 75
- Most common services billed to Medicare
- Exam of ear using a microscope
- Diagnostic exam of voice box using a flexible endoscope
- Removal of impacted ear wax
- 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
- Northern Dutchess Hospital · Vassar Brothers 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 ent doctors? See 2 in Poughkeepsie or 25 across Hudson Valley.
Other ent doctors in Hudson Valley
Dr. Peter D. Berman, MDENT Doctor · ENT and Allergy Associates LLPNo reviews yetWest Nyack, NY
Dr. Philip G. Liu, MDENT Doctor · Tri County Ear Nose and Throat PCNo reviews yetPort Jervis, NY
Dr. Ran Rubinstein, MDENT Doctor · Newburgh, NYNo reviews yetNewburgh, NY
Dr. Sam A. Spinowitz, MDENT Doctor · Crystal Run Healthcare Physicians LLPNo reviews yetMiddletown, NY
Dr. Samuel Helman, MDENT Doctor · White Plains Physician Services PCNo reviews yetNyack, NY
Dr. Sergey Koyfman, DOENT Doctor · ENT and Allergy Associates LLPNo reviews yetNew Windsor, NYWrite a review
Frequently Asked Questions
With ENT and Allergy Associates LLP, at 21 Reade Pl Suite 3200, Poughkeepsie, NY 12601.
Call the office at (845) 471-4086.
Yes — Dr. Gassen accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Vassar Brothers Medical Center, Northern Dutchess Hospital and Westchester Medical Center.
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