Primary Care & Urgent Care Walk-in Clinic near Mastic Beach, NY


Monday - Friday: 8:00AM - 8:00PM

Saturday - Sunday: 9:00AM - 5:00PM

Holiday Hours: 9:00 AM - 3:00 PM

Thanksgiving Christmas Day
New Year’s Day Memorial Day
Labor Day July 4th

Our Providers

Gianhna Gil Sanchez

Gianhna Gil Sanchez


Dr. Gianhna Gil Sanchez earned her medical degree at the Universidad Iberoamericana (UNIBE) Dominican Republic. She completed her residency in Family Medicine at Hofstra Northwell Health Southside Hospital New York,  where she also served as Chief Medical Resident. She is certified by the American Board of Family Medicine and is a member of the American Academy of Family Physicians.  Dr Gil Sanchez is a knowledgable, dedicated and caring physician, committed to deliver quality primary care to her patients
Michelle Maurina

Michelle Maurina


Michelle is a nationally certified nurse practitioner in adult and gerontological health in the primary care setting.  She completed her Bachelor's degree at St. Joseph's College and Master's degree at Stony Brook University.  Michelle is a member of the American Academy of Nurse Practitioners and the Nurse Practitioner Association of Long Island.  She worked at Mather Hospital as a nurse for 15 years specializing in critical care and is also a certified CPR instructor.
Natalie Radino

Natalie Radino


Healthy living has always been a priority for Natalie. She and her husband enjoy cooking tasty and nutritious meals together. Natalie loves running, cycling, swimming and practicing yoga. The accomplishments Natalie is most proud of include becoming a mother, finishing the Marine Corps, Suffolk County, Chicago and NYC Marathons, graduating Summa Cum Laude from Stony Brook University and becoming a Board-Certified Nurse Practitioner.
Zena Joseph

Zena Joseph


Dr. Joseph has been serving the community as a family physician for over 7 years. Born and raised in Toronto before attending medical school at St. George’s University in Grenada and residency at the University of Pittsburgh Medical Center, she has lived in New York for over 10 years with her husband and three children. She received the Community Physician Teacher of the Year award from the Stony Brook University Medical Center Family Medicine Program in 2016. She was also the consulting physician for the Longwood School district. Dr. Joseph’s hobbies include traveling, discovering new cuisines, fitness, and chauffeuring her children.

MD365 - Primary Care + Urgent Care

MD 365 is committed to providing the top health care services in Mastic Beach, NY. Since opening our doors for the first time, we knew families and individuals in the area required something more. Here at MD 365, we aim to provide health care of the highest quality.

Specialized Health Care Providers in Your Area

Many health care service providers in the area typically choose to specialize in one field. As such, you’re forced to visit three or four offices for the care you require throughout the year. MD 365 hopes to become your one and only spot for health care solutions. Our exceptional team of doctors, nurse practitioners, and support staff are experienced in primary care, urgent care, family practice, internal medicine, and more.

Quality Care for Every Patient

In today’s busy world, health care must be for the patient. Here at MD 365, we aim to please. As such, all of our health care solutions are geared toward providing relief, not overcharging you for services you desperately require.

You can stop in any day this week and speak with a highly trained doctor or nurse practitioner in person. It’s that simple. There is no need to schedule an appointment.

The MD 365 Difference

At MD 365, we opened our health care clinic as a way to help the community. Our staff live and work right here in the neighborhood. We know what the people want from a health care service. As such, we aim to provide the results you seek for the right price!

Feel free to stop in to MD 365 for urgent care in Mastic Beach, NY. We also offer appointments for those with busy schedules.

Patient Reviews