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Maggie Hartz PA C Lead Injector

Maggie Hartz

Lead Injector

Maggie is a Board-Certified Physician Assistant in New York, with a Bachelor’s in Biology from the University of San Diego and a Master’s in Physician Assistant Studies from Touro College in Manhattan. She began her career on the Lung Transplant team at Columbia University Medical Center, where she developed a strong medical foundation rooted in precision and attention to detail—skills that have translated seamlessly into aesthetic medicine.

Her journey into aesthetics began at a high-volume medical aesthetics practice, where she underwent extensive procedural training and quickly became a top provider, treating approximately 300 patients per month with aesthetic injectables and medical-grade skincare. Driven by a desire to grow professionally, Maggie joined the plastic surgery practice of Dr. Umbareen Mahmood, working in both surgical and non-surgical roles.

Maggie now serves as the Lead Injector at CONTŌR, specializing in facial balancing and customized treatment plans that deliver natural, confidence-boosting results. She prioritizes preventative care to help patients achieve long-term success.

Maggie is passionate about beauty and wellness and stays current with the latest industry trends. A New York City resident for nearly a decade, she enjoys exploring the city, trying new restaurants, traveling, and catching up on her favorite reality shows.