

NYOMIS Oral Surgery
The Hudson Valley's Trusted Oral Surgeons
At NYOMIS Oral Surgery, we combine cutting-edge surgical care with warmth, compassion, and over 45 years of expertise serving the communities of Scarsdale, Mount Kisco, and Briarcliff Manor. Our board-certified oral and maxillofacial surgeons specialize in life-changing dental implant treatments including All-on-X solutions, wisdom tooth removal, facial trauma care, and more. Whether you're coming in for a straightforward extraction or a full-arch restoration, you'll be welcomed into a calming, patient-centered experience you can trust.
Board-Certified Oral Surgeon
Andrew Horowitz, DMD, MD, FACS
Dr. Andrew Horowitz brings nearly two decades of expertise to NYOMIS Oral Surgery and currently serves as the Section Chief of Oral and Maxillofacial Surgery at White Plains Hospital. Dr. Horowitz is widely respected for his precision in complex oral procedures, including dental implants, jaw reconstruction, and impacted wisdom tooth removal. As a leader in hospital-based oral surgery and mentor to upcoming professionals, his approach unites clinical excellence with a calming bedside manner that patients — and referring doctors — trust. Under his care, patients receive the full benefit of modern, evidence-based treatment in a supportive and accessible environment.

Board-Certified Oral Surgeon
Andrew Greenberg, DDS
With decades of experience and a deep commitment to patient-centered care, Dr. Andrew Greenberg is proud to serve the Briarcliff Manor community and beyond. A graduate of NYU College of Dentistry with advanced surgical training from Lincoln Hospital/New York Medical College, Dr. Greenberg is known for his precision, empathy, and dedication to excellence. Recognized as one of Westchester’s Top Dentists every year since 2009 and a recipient of the Westchester Magazine Healthcare Heroes Award, Dr. Greenberg brings trusted expertise to every case—from wisdom tooth extractions and dental implants to biopsies and complex jaw surgeries. Whether in the office or on humanitarian missions abroad, he’s committed to improving lives through compassionate oral surgery.

Trusted Surgical Solutions
Dental Implants
Whether you need to replace a single missing tooth or explore All-on-X full-arch restorations, our implant dentistry expertise helps patients regain a confident smile with long-term stability.
Wisdom Teeth Removal
From teen extractions to impacted adult cases, our board-certified surgeons provide stress-free wisdom tooth removals backed by anesthesia and sedation expertise.
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Emergency Oral Surgery & Trauma Care
When accidents or urgent dental conditions arise, we offer 24/7 emergency oral surgery coverage to relieve pain and restore health quickly and safely.
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What other people are saying
Why Patients and Referring Dentists Choose Us
The NYOMIS Difference
At NYOMIS, we don’t just perform advanced oral surgeries — we provide a trusted resource for patients and dental professionals throughout the Hudson Valley. With leadership roles at local hospitals, streamlined digital referrals, and deep community ties, our practice delivers clinical excellence with personal integrity.
Board-Certified Surgeons
Patients benefit from advanced training, hospital experience, and clinical leadership you won’t find in most outpatient practices.
Full-Spectrum Oral Surgery
We offer everything from routine extractions to All-on-X dental implant cases, bone grafting, and facial trauma care — all under one roof.
24/7 Emergency Availability
Our patients never face urgent care alone; we provide around-the-clock emergency surgical access, including weekend and holiday coverage.
Seamless Digital Referrals
Local dentists trust us as an extension of their care, thanks to secure, fast, and easy online referral partnerships that put patients first.




