Dr. Marc Funderlich Jr.
DC — Chief Medical Officer
Dr. Funderlich is a physician innovator currently studying Regenerative and Stem Cell Technologies at Johns Hopkins University. He integrates functional medicine and advanced rehabilitation with cutting-edge research in cell therapy, exosome science, and biologics. His mission is to translate the latest regenerative medicine into safe, effective treatments for patients of all ages.
With over 9 years of clinical practice and licenses across 6 states, Dr. Funderlich brings a depth of experience that spans chiropractic foundations to advanced biologic therapies. At City Medicine, he oversees all clinical operations across three locations, ensuring every patient receives research-driven, personalized care.
Johns Hopkins University
Regenerative & Stem Cell Technologies
New York Chiropractic College
Doctor of Chiropractic
Marc Funderlich Jr.
Chief Medical Officer
Michael Purificati
Chief Operating Officer
Chris Murphy
Chief Marketing Officer
Meet Your Care Team
Marc Funderlich Jr., DC
Chief Medical Officer
Dr. Funderlich is a physician innovator currently studying Regenerative and Stem Cell Technologies at Johns Hopkins University. He integrates functional medicine and advanced rehabilitation with cutting-edge research in cell therapy, exosome science, and biologics. His mission is to translate the latest regenerative medicine into safe, effective treatments for patients of all ages.
Michael Purificati
Chief Operating Officer
Michael oversees all clinical operations at City Medicine, ensuring every location delivers the same exceptional standard of care. His focus on operational excellence and patient experience drives the organization forward.
John Beelitz, MD
Pain Medicine & Anesthesiology
Dr. John Darren Beelitz is a board-certified physician specializing in Pain Medicine and Anesthesiology. He earned his MD from Rutgers Robert Wood Johnson Medical School, completed his Anesthesiology residency in 2013 and Pain Management fellowship in 2014 at Cooper University Hospital. With over 15 years of experience, he focuses on helping patients find relief through interventional procedures and non-interventional medication management.
Jason Comerford, DC
Chiropractic Physician
Dr. Jason Comerford has over 25 years of chiropractic experience and serves as Chair of the Florida Board of Chiropractic Medicine. A retired U.S. Army Captain with 25 years of military service, he is a contracted VA healthcare provider and Florida Veteran Health Hero. He holds a DC from Palmer College of Chiropractic and a psychology degree from UCF.
Samantha Chui
Chief Executive Officer
Samantha Chui serves as CEO of our Atlanta operations. A Georgia State University alum with a background in health, wellness, and entrepreneurial ventures, she brings executive leadership and operational strategy to City Medicine's Atlanta growth.
Oana Ciurea
Injections & Aesthetics Specialist
Oana specializes in joint and trigger point injections, minor procedures, and aesthetic treatments like Botox and fillers. With over 10 years of medical experience, she helps patients reduce pain, move more freely, and feel refreshed. Her warm approach focuses on restoring comfort and confidence.
Linda Johnson, NP
Aesthetic Nurse Practitioner
Linda is an experienced aesthetic nurse practitioner specializing in facial rejuvenation. She focuses on safe, natural results through expert injecting and balancing techniques. Her goal is to enhance beauty while preserving individuality.
How We Practice
Research-First
Every protocol grounded in the latest peer-reviewed research from Johns Hopkins and leading institutions worldwide.
Patient-Centered
We treat people, not symptoms. Comprehensive diagnostics ensure every plan is built around your unique biology.
Safety & Transparency
Full informed consent, clear expectations, and science-driven treatments. No hype — just honest medicine.
Integrative Approach
Combining chiropractic foundations with cutting-edge regenerative science for holistic, lasting results.