Primary Care – Port Orange, Dunlawton


1165 Dunlawton Ave. Suite 105 Port Orange, FL 32129


When you need first-class medical care, it’s not always convenient to drive to Halifax Health in Daytona Beach. At Halifax Health – Primary Care Port Orange you will receive the same medical expertise you and your family have come to expect from Halifax Health at a facility conveniently located in your neighborhood.

For all your family’s healthcare needs, you can make an appointment and be seen by a primary care physician. Take advantage of timely and convenient family care without compromising your standards.

Our team of specialized physicians can treat a wide variety of common conditions and illnesses, as well as provide routine vaccinations. Schedule an appointment today!

Providers at the Port Orange, Dunlawton location

Naomi Flock, MD, MPH is a sunshine state native originally from Miami, FL. She earned her bachelor’s degree in biology from Florida State University and continued her studies at Florida State University College of Medicine. Dr. Flock earned her master’s degree in Public Health from the University of West Florida with a focus on adolescent health and prevention. In 2017, Dr. Flock completed her Family Medicine residency as chief resident at New Hanover Regional Medical Center in Wilmington, North Carolina, and is a board-certified family physician.

Dr. Flock loves building relationships with families and taking care of her community in all stages of life. She has a passion for maternal and child care, and provides all age pediatric care. Dr. Flock also provides prenatal care, in addition to obstetric deliveries and new born care at Halifax Health Medical Center of Daytona Beach. She has additional experience in adolescent medicine, risk reduction and prevention, reproductive health and LGBTQ+ care.

Dr. Flock returned to Florida in 2020 and lives with her husband Jens, who is also a physician. She enjoys cooking, stand-up paddle boarding, the beach, painting, making jewelry and spending time with her husband and their cat Wilmy.

Joshua Grube, MD, is a board-certified family medicine physician, who obtained his medical degree from the University of Oklahoma College of Medicine and completed residency at Halifax Health Medical Center in Daytona Beach, Florida in 2018. Dr. Grube enjoys all facets of wellness with an emphasis in caring for patients with chronic pain, musculoskeletal problems as well as women’s health.

Natalie Negròn, DO, is a board-certified Family Medicine physician who earned her Doctor of Osteopathic Medicine at Nova Southeastern University in Fort Lauderdale, Florida. In 2019, she completed her residency at HCA Healthcare/University of South Florida Morsani College of Medicine GME at Oak Hill Hospital in Brooksville, Florida where she served as Chief Resident.

During her residency, Dr. Negròn completed an Area of Concentration track in Children & Adolescent Medicine.  She currently serves as a Clinical Instructor and Founding Faculty Member for the Orlando College of Osteopathic Medicine.  As a physician, she enjoys all facets of wellness with an emphasis on women’s health, all-age pediatric care, mental health and preventative care.

In her spare time, she enjoys gardening, traveling and exploring new cities, learning new recipes, and spending quality time with her husband, Joshua.

Kari Stausmire, MD graduated from the University of Toledo College of Medicine in Toledo, Ohio. She completed her residency at Halifax Health’s distinguished Family Medicine Residency Program in Daytona Beach, Fla.

Dr. Stausmire provides primary care, comprehensive OB services and non-surgical gynecologic services for women ages 12 through 65, including preventative care, family planning, management of chronic conditions, annual exams, pap smears, long-acting contraception, neonatal circumcisions and more. Her special interests include women’s and adolescent health, obstetrics and breastfeeding medicine. She has a passion for patient education, counseling and working with underserved communities.

In her free time, Dr. Stausmire enjoys spending time with her children, traveling, yoga, listening to live music and eating sushi.




Working & visiting hours

Monday-Friday 8:00 am - 12:00 pm 1:00 pm - 5:00 pm

Medical Staff at this location

Naomi Flock

Naomi Flock, MD, MPH

Primary location1165 Dunlawton Ave. Suite 105, Port Orange, FL 32127

Joshua D. Grube

Headshot of Dr. Joshua Grube Primary Care Ormond Beach

Primary location1165 Dunlawton Avenue, Suite 105, Port Orange, FL 32127

Natalie Negròn

Primary location1165 Dunlawton Ave., Suite 105 Port Orange 32327

Kari Stausmire

Primary location1165 Dunlawton Ave. Suite 105 Port Orange, FL 32129