Meet Dr. Keith R. Marshall, DDS
Trusted NYC General Dentist with Over 40 Years of Clinical Excellence
Expert Dental Care by Dr. Keith R. Marshall
When it comes to your oral health, experience, compassion, and technology matter. At Teeth By Keith, Dr. Keith R. Marshall, DDS, brings all three together, combining over four decades of clinical experience with nearly 20 years in advanced laser dentistry to provide patients throughout Midtown Manhattan with dental care that is both highly advanced and deeply personal.
As a general dentist, Dr. Keith serves patients ages 14 and up, including adults and seniors, with a wide range of services spanning preventive care, restorative treatments, cosmetic dentistry, and laser-assisted procedures.
A Professional Legacy Built on Precision and Trust
Dr. Keith earned his Doctor of Dental Surgery degree to provide honest, patient-focused care to his local community. Since then, he has cultivated a reputation as a trusted provider for discerning patients seeking high-quality dental work without unnecessary procedures or gimmicks.
His clinical approach is built on:
- Over 40 years of hands-on general dentistry experience
- Nearly 20 years of success with LANAP® Laser Gum Therapy and Laser Endodontics
- A keen aesthetic eye for Smile Makeovers and Porcelain Veneers
- Advanced digital imaging for Dental Implant Planning
He remains committed to lifelong learning, always updating his skills to stay at the forefront of minimally invasive and regenerative care.
A Practice Philosophy Rooted in Health & Humanity
Dr. Keith believes dentistry is about more than procedures — it's about building trust and enhancing quality of life.
He strives to create a judgment-free environment where patients feel empowered to take control of their health. His practice balances clinical precision with a warm, grounded demeanor that keeps patients informed and at ease.
This approach is especially evident in his work with laser-based therapies, where he prioritizes tissue preservation, patient comfort, and long-term success.
A Manhattan Practice Designed for Comfort and Convenience
Located at 157 E 32nd St, Ground Floor, New York, NY 10016, Dr. Keith’s office offers comprehensive dental care in Midtown Manhattan, just minutes from Murray Hill, East Village, Union Square, and Gramercy.
With convenient hours Monday–Friday, 9 AM–5 PM, our office is equipped to handle everything from routine exams to full-mouth restorations — all under one roof.
Explore our full range of services:
Real Patient Experiences
Patients love our new location just as much as the care they’ve trusted for years:
Visit Us on E 32nd St
Located between Lexington Ave & 3rd Ave Serving patients from Murray Hill, Midtown East, and nearby neighborhoods.
Ready for a Healthier, Brighter Smile?
Join the many New Yorkers who trust Teeth By Keith for advanced laser dentistry and one-visit smile restorations.Call us today or click below to schedule your first visit.