We will be accepting new appointment requests starting 10/06/2025 at 8 am. Please call our office to make your appointment.

We are proud to be your trusted partner in endocrine health.

At Advanced Endocrinology, we are committed to providing compassionate, evidence-based care for all aspects of endocrine health. From diabetes and thyroid disorders to hormonal imbalances and complex metabolic conditions, we partner with our patients every step of the way-offering personalized treatment plans, expert guidance, and long-term support. 


As your trusted endocrine care team, we focus on empowering you with knowledge, listening to your concerns, and building a relationship founded on trust and collaboration. Our mission is to help you achieve better health, balance, and quality of life-today and into the future.
Dr. Luis Arzeno Tejada MD

Dr. Luis Arzeno Tejada MD

Dr. Luis E. Arzeno Tejada is a board-certified endocrinologist and internal medicine physician who provides comprehensive care for a broad range of endocrine disorders, with a special focus on diabetes management. He completed his medical degree at the Instituto Tecnológico de Santo Domingo, residency at Morristown Medical Center, and fellowship at Thomas Jefferson University Hospital. Fluent in both English and Spanish, Dr. Arzeno Tejada specializes in the use of advanced diabetes technologies—including insulin pumps, continuous glucose monitors (CGM), and automated insulin delivery systems—to optimize care for patients with Type 1 and Type 2 diabetes. He integrates personalized diet, exercise, and the latest medications into patient-centered care plans that promote long-term wellness. He is particularly passionate about the role of exercise in diabetes management, focusing on its benefits for insulin sensitivity, weight control, and cardiovascular health. His holistic approach aims to empower patients and support sustainable lifestyle changes for improved quality of life.

Dr. Brian Beluch DO

Dr. Beluch is a board-certified specialist in Endocrinology, Diabetes, and Metabolism, as well as Internal Medicine. He completed his medical training at the Philadelphia College of Osteopathic Medicine, followed by an internship and residency in Osteopathic Medicine at UMDNJ - SOM, and a fellowship at Rowan University School of Osteopathic Medicine. He speaks English and focuses on caring for patients with Type 1 and Type 2 Diabetes, Thyroid Disorders, Osteoporosis, and Metabolic Bone Diseases. Dr. Beluch has a personal connection to diabetes, which fuels his dedication to helping patients manage the condition effectively. He emphasizes individualized care plans, incorporating a range of tools such as medications, insulin therapies (including pumps), continuous glucose monitors, and nutrition strategies. Dr. Beluch believes in a collaborative, patient-centered approach to care, aiming to empower individuals to take charge of their health and live well while preventing future complications.

Dr. Jonathan Slusser DO

Dr. Slusser is a board-certified specialist in Endocrinology, Diabetes and Metabolism, as well as Internal Medicine. He completed his medical degree at the Philadelphia College of Osteopathic Medicine, followed by an internship at UMDNJ - SOM. He went on to complete both his residency and fellowship at Rowan University School of Osteopathic Medicine. He is fluent in English and has clinical expertise in Type 1 and Type 2 Diabetes, Thyroid Diseases, Osteoporosis, and Metabolic Bone Disease. Dr. Slusser has a strong focus on osteoporosis treatment and fracture prevention, utilizing both antiresorptive and osteoanabolic therapies to reduce patients' risk of future fractures.

Dr. Peter Ucciferro DO

Dr. Ucciferro is a board-certified specialist in Endocrinology, Diabetes, and Metabolism, as well as Internal Medicine. He completed his medical education at the Philadelphia College of Osteopathic Medicine, followed by a residency at AtlantiCare Regional Medical Center and a fellowship at Einstein Medical Center in Philadelphia. He provides care in general endocrinology, with expertise in managing Type 1 and Type 2 Diabetes, thyroid disorders, osteoporosis, and metabolic bone diseases. His particular clinical interests include hyperthyroidism, and pituitary and adrenal conditions. He collaborates closely with surgeons, ophthalmologists, and other specialists to deliver comprehensive care for patients with Graves’ Disease. Dr. Ucciferro is fluent in English and is committed to a holistic, patient-centered approach to care, emphasizing strong doctor-patient relationships.

Meet Our Providers

Dr. Peter Ucciferro DO

Dr. Ucciferro is a board-certified specialist in Endocrinology, Diabetes, and Metabolism, as well as Internal Medicine. He completed his medical education at the Philadelphia College of Osteopathic Medicine, followed by a residency at AtlantiCare Regional Medical Center and a fellowship at Einstein Medical Center in Philadelphia. He provides care in general endocrinology, with expertise in managing Type 1 and Type 2 Diabetes, thyroid disorders, osteoporosis, and metabolic bone diseases. His particular clinical interests include hyperthyroidism, and pituitary and adrenal conditions. He collaborates closely with surgeons, ophthalmologists, and other specialists to deliver comprehensive care for patients with Graves’ Disease. Dr. Ucciferro is fluent in English and is committed to a holistic, patient-centered approach to care, emphasizing strong doctor-patient relationships.
Dr. Luis Arzeno Tejada MD

Dr. Luis Arzeno Tejada MD

Dr. Luis E. Arzeno Tejada is a board-certified endocrinologist and internal medicine physician who provides comprehensive care for a broad range of endocrine disorders, with a special focus on diabetes management. He completed his medical degree at the Instituto Tecnológico de Santo Domingo, residency at Morristown Medical Center, and fellowship at Thomas Jefferson University Hospital. Fluent in both English and Spanish, Dr. Arzeno Tejada specializes in the use of advanced diabetes technologies—including insulin pumps, continuous glucose monitors (CGM), and automated insulin delivery systems—to optimize care for patients with Type 1 and Type 2 diabetes. He integrates personalized diet, exercise, and the latest medications into patient-centered care plans that promote long-term wellness. He is particularly passionate about the role of exercise in diabetes management, focusing on its benefits for insulin sensitivity, weight control, and cardiovascular health. His holistic approach aims to empower patients and support sustainable lifestyle changes for improved quality of life.

Dr. Brian Beluch DO

Dr. Beluch is a board-certified specialist in Endocrinology, Diabetes, and Metabolism, as well as Internal Medicine. He completed his medical training at the Philadelphia College of Osteopathic Medicine, followed by an internship and residency in Osteopathic Medicine at UMDNJ - SOM, and a fellowship at Rowan University School of Osteopathic Medicine. He speaks English and focuses on caring for patients with Type 1 and Type 2 Diabetes, Thyroid Disorders, Osteoporosis, and Metabolic Bone Diseases. Dr. Beluch has a personal connection to diabetes, which fuels his dedication to helping patients manage the condition effectively. He emphasizes individualized care plans, incorporating a range of tools such as medications, insulin therapies (including pumps), continuous glucose monitors, and nutrition strategies. Dr. Beluch believes in a collaborative, patient-centered approach to care, aiming to empower individuals to take charge of their health and live well while preventing future complications.

Dr. Jonathan Slusser DO

Dr. Slusser is a board-certified specialist in Endocrinology, Diabetes and Metabolism, as well as Internal Medicine. He completed his medical degree at the Philadelphia College of Osteopathic Medicine, followed by an internship at UMDNJ - SOM. He went on to complete both his residency and fellowship at Rowan University School of Osteopathic Medicine. He is fluent in English and has clinical expertise in Type 1 and Type 2 Diabetes, Thyroid Diseases, Osteoporosis, and Metabolic Bone Disease. Dr. Slusser has a strong focus on osteoporosis treatment and fracture prevention, utilizing both antiresorptive and osteoanabolic therapies to reduce patients' risk of future fractures.

Dr. Peter Ucciferro DO

Dr. Ucciferro is a board-certified specialist in Endocrinology, Diabetes, and Metabolism, as well as Internal Medicine. He completed his medical education at the Philadelphia College of Osteopathic Medicine, followed by a residency at AtlantiCare Regional Medical Center and a fellowship at Einstein Medical Center in Philadelphia. He provides care in general endocrinology, with expertise in managing Type 1 and Type 2 Diabetes, thyroid disorders, osteoporosis, and metabolic bone diseases. His particular clinical interests include hyperthyroidism, and pituitary and adrenal conditions. He collaborates closely with surgeons, ophthalmologists, and other specialists to deliver comprehensive care for patients with Graves’ Disease. Dr. Ucciferro is fluent in English and is committed to a holistic, patient-centered approach to care, emphasizing strong doctor-patient relationships.

Dr. Luis Arzeno Tejada MD

Dr. Luis E. Arzeno Tejada is a board-certified endocrinologist and internal medicine physician who provides comprehensive care for a broad range of endocrine disorders, with a special focus on diabetes management. He completed his medical degree at the Instituto Tecnológico de Santo Domingo, residency at Morristown Medical Center, and fellowship at Thomas Jefferson University Hospital. Fluent in both English and Spanish, Dr. Arzeno Tejada specializes in the use of advanced diabetes technologies—including insulin pumps, continuous glucose monitors (CGM), and automated insulin delivery systems—to optimize care for patients with Type 1 and Type 2 diabetes. He integrates personalized diet, exercise, and the latest medications into patient-centered care plans that promote long-term wellness. He is particularly passionate about the role of exercise in diabetes management, focusing on its benefits for insulin sensitivity, weight control, and cardiovascular health. His holistic approach aims to empower patients and support sustainable lifestyle changes for improved quality of life.