Accepting new patients — same-day emergency appointments available
Pieroni & Fiorello DDS · Staten Island · Est. 1982
HomeDoctors & Team

Two doctors. One standard.

Different chapters of dentistry, the same belief about how it should be practiced — carefully, personally, and without compromise.

Dr. Bryan Pieroni, hygienist Marin Pugliesi, and Dr. Mark Fiorello at the Clove Road office
Dr. Bryan D. Pieroni, D.D.S.

Dr. Bryan D. Pieroni, D.D.S.

A native Staten Islander, trained at Creighton, and rooted in this neighborhood since the day he came home to practice.

Dr. Bryan Pieroni is a native Staten Islander who received a B.S. degree from Creighton University in Omaha, Nebraska. Upon receiving his bachelor's degree in 1988, he continued at Creighton to receive his D.D.S. degree in 1992. After graduation, Dr. Pieroni returned to Staten Island for a one-year general residency at Staten Island University Hospital. In 1993 he became Chief Resident at the hospital and continued on the attending staff until 1996.

In 1993, Dr. Pieroni began working as an associate for Dr. Joshua Kanner, and in 1996 they formed their partnership. Throughout the years he has continued advancing with new dental technology and received specialized training in prosthetics, implantology, Invisalign, and laser dentistry.

Dr. Pieroni is certified in CPR, Advanced Cardiac Life Support, and infection control. He maintains memberships in the American Dental Association, the Academy of Osseointegration, the 2nd District Dental Society, and the New York Dental Forum. He is also a co-founder of the Greater Staten Island Study Club.

Dr. Mark Fiorello, D.D.S.

Dr. Mark Fiorello, D.D.S.

Born and raised on Staten Island, with a career built around serving the community he calls home.

Dr. Mark Fiorello was born and raised on Staten Island and has built his career around serving the community he calls home.

He earned his Doctor of Dental Surgery from the University of Colorado School of Dental Medicine and completed his residency at Staten Island University Hospital, part of the Northwell Health system. He returned for a second year as Chief Resident, leading and mentoring incoming residents while advancing his clinical work.

Dr. Fiorello continues to pursue advanced training across general, cosmetic, and surgical dentistry. He is committed to staying current with modern techniques, materials, and technology, ensuring every patient receives care at the highest standard of the profession.

Marin Pugliesi, Hygienist

Marin Pugliesi · Hygienist

A familiar, friendly face at every visit — gentle, thorough, and known by name to the families she cares for.

A Staten Island native and a Registered Dental Hygienist, Marin earned her degree at the New York City College of Technology and has been a steady part of the Pieroni & Fiorello team for over thirteen years. In that time she's become a trusted constant for the families who come through our doors — the same welcoming face, visit after visit.

Her care hasn't gone unnoticed: Marin was honored with the Professional Excellence in Dental Hygiene Award from Johnson & Johnson, a recognition of the gentle, meticulous standard she brings to every cleaning and every patient she sees.