Advocare Welcomes Advanced Endocrinology
Marlton, NJ – October 1, 2025. Advocare, a physician-owned, multispecialty medical group with a network of over 800 providers, is proud to announce the opening of Advocare Advanced Endocrinology. This new practice in Doylestown, Pennsylvania, is led by four accomplished physicians: Brian Beluch, DO; Jonathan Slusser, DO; Luis Arzeno Tejada, MD; and Peter Ucciferro, DO.
Advocare Advanced Endocrinology will provide comprehensive services for patients managing diabetes, thyroid disease, osteoporosis, adrenal and pituitary conditions, as well as other complex hormonal and metabolic disorders. The physicians share a strong commitment to patient-centered, long-term care that emphasizes prevention, management, and improving overall quality of life.
The team brings training from some of the region’s leading medical schools and hospitals. Drs. Ucciferro, Beluch, and Slusser earned their medical degrees from the Philadelphia College of Osteopathic Medicine. Dr. Ucciferro completed his residency at AtlantiCare Regional Medical Center – City Campus, followed by a fellowship in Endocrinology at Einstein Medical Center. Dr. Beluch trained in residency at UMDNJ–School of Osteopathic Medicine and went on to complete his Endocrinology fellowship at Rowan University School of Osteopathic Medicine. Dr. Slusser also completed his residency at Rowan University, where he continued his training with a fellowship in Endocrinology. Dr. Tejada earned his medical degree in the Dominican Republic, trained at Morristown Medical Center/Atlantic Health System, and completed his endocrinology fellowship at Thomas Jefferson University Hospital. Together, their diverse backgrounds and shared dedication ensure our patients receive expert, compassionate care.
“Endocrinology plays a vital role in managing some of the most common and complex chronic health conditions,” said Howard Orel, MD, President and CEO of Advocare. “We are excited to welcome Drs. Beluch, Slusser, Tejada, and Ucciferro to Advocare and to expand access to high-quality endocrine care for patients in the Doylestown community.”
For more information or to schedule an appointment with Advocare Advanced Endocrinology, please visit www.advocareadvancedendocrinology.com.
ABOUT ADVOCARE
Advocare, LLC ("Advocare") is a physician-owned and governed multi-specialty medical group operating in New Jersey and the greater Philadelphia metropolitan region.
Founded in 1998 as an alliance of 26 physicians, Advocare has grown to become widely recognized and highly respected as one of the region's largest multi-specialty groups providing the highest-quality healthcare.
With over 800 providers and 250+ Care Center offices, Advocare serves approximately 800,000 unique patients throughout New Jersey and Pennsylvania. Advocare physicians are regularly recognized among the region's top doctors by both patients and consumer publications.
PROVIDER CONTACT
Mahbod Mohazzebi, MD
Chairperson, Market Development
Committee and Member, Executive Council
mmohazzebi@advocaredoctors.com
MARKETING/MEDIA CONTACT
Diane Kidawa
Director of Marketing
856-446-6529 x124
dkidawa1@advocaredoctors.com
