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Jeremy Jaffe, MD, is a pain management physician at SEPA Pain & Spine in Horsham, Langhorne, and Chalfont, Pennsylvania. Dr. Jaffe joined the team in 1996. 

Since then, he has gained a reputation as a patient listener and effective communicator while providing a thoughtful, considerate, compassionate and comprehensive approach toward chronic pain management. He enjoys the challenge of first establishing each patient's primary pain generator and then creating an individualized multimodal approach to reduce pain and improve quality of life.

Dr. Jaffe's areas of subspecialty interest include mechanical low back pain and opioid dependence counseling and treatment. Dr. Jaffe is also a registered provider of medical marijuana certification in Pennsylvania. He spent over 20 years helping to train medical students and anesthesia residents in his capacity as Director of Medical Education for United Anesthesia Services-Abington Division. Dr. Jaffe currently serves as Vice President and Director of Human Resources for SEPA Pain Management.

He is a graduate of Haverford College in Haverford, Pennsylvania. Dr. Jaffe received his medical school training at Lewis Katz School of Medicine at Temple University. After completing an internship at Abington Hospital, he completed his residency in anesthesiology at the Hospital of the University of Pennsylvania, where the majority of his subspecialty training was devoted to pain management.

When not helping patients, Dr. Jaffe devotes a great deal of time to charitable causes, including his annual participation as co-chair for Rockin’ Docs for Diabetes Cure. His other interests include drumming, bicycling, playing tennis, and traveling.

Sanjay Shah, MD, is a pain management physician at SEPA Pain & Spine in Horsham, Langhorne, and Chalfont, Pennsylvania. He joined the team in 2006.

Dr. Shah earned his undergraduate degree from Johns Hopkins University in Baltimore, Maryland, and his medical degree from Ponce Health Sciences University in Puerto Rico. He then completed his residency in anesthesiology and a fellowship in pain management, both at Thomas Jefferson University Hospital.

He is a pain management physician who specializes in treating debilitating and painful conditions through various interventional orthopedic therapies. His philosophy for treating patients is based on staying current with the latest pain management, minimally invasive spine surgery, and regenerative techniques so he can provide the best possible care for his patients.

Dr. Shah is dual board-certified in anesthesiology and pain medicine through the American Board of Anesthesiology with a subspecialty certification in pain medicine. In 2014, Dr. Shah founded Regenexx Philadelphia, where he began treating patients by utilizing their own platelets and stem cells to regenerate tissue. 

On a personal note, Dr. Shah is an avid do-it-yourselfer and makes every effort to stay current on technology. In his spare time, he enjoys cooking, traveling, and spending time with his family.

Chad Metzger, DO, is a pain management physician at SEPA Pain & Spine in Horsham, Langhorne, Chalfont, and Meadowbrook, Pennsylvania.

Dr. Metzger is a graduate of Penn State University where he received his Bachelor of Science degree in kinesiology, the study of human movement. His passion for the musculoskeletal system and biomechanics led him initially to pursue a doctoral degree in chiropractic medicine where he developed a passion for spine care. He then went on to receive his medical degree from the Philadelphia College of Osteopathic Medicine. Dr. Metzger completed his residency training in physical medicine and rehabilitation (physiatry) at Temple University Hospital where he served as chief resident, followed by additional fellowship training in pain medicine at Penn State Hershey Medical Center. 

Dr. Metzger takes a holistic patient-centered approach to his care with a focus on palliating pain and restoring function. His goal is to use his knowledge and interventional skill set to give his patients their best shot at returning to a normal functional life, using all of the multi-modal disciplines, medications, modern technologies, and state of the art procedures available. He strives to encourage his patients to take an active role in their healthcare for ultimate long-term success and improved quality of life. 

When not at work, Dr. Metzger lives an active lifestyle and enjoys exploring local hiking and running trails with his family. He is a proud father and husband. His wife Dana is a successful chiropractor who also shares a passion for spine care. His favorite days are college football Saturdays cheering on his Penn State Nittany Lions with friends. He also enjoys cooking and exploring all of the unique cuisines and exquisite foods that Philadelphia has to offer. 

About The Practice

Ajay Kumar MD, DABPM, DABPM, is an interventional spine and pain physician at New Jersey Advanced Pain Management, which has locations in Hackettstown, New Jersey, Matamoras, Pennsylvania, and Warwick New York

Dr. Kumar earned his Doctor of Medicine from the prestigious All India Institute of Medical Sciences in New Delhi, India. He completed his residency in physical medicine and rehabilitation at Temple University Hospital in Philadelphia. He is fellowship-trained in interventional pain medicine, board certified in physical medicine, and a diplomate of the American Board of Pain Medicine.

In India, Dr. Kumar was an orthopedic surgeon with specialized training in doing fluoroscopic and ultrasound-guided minimally invasive pain procedures. He is one of the few physicians who have extensive training in prolotherapy. At New Jersey Advanced Pain Management Center, Dr. Kumar works with the patient to offer them various solutions for their problem. He routinely treats patients affected by musculoskeletal injuries that cause back pain, neck pain, knee pain, and shoulder pain. Dr. Kumar has extensive experience in NCV/EMG studies to diagnose the cause of the pain. He offers minimally invasive spine procedures and spinal cord stimulation trials as well as spinal cord stimulation permanent implants for various medical diagnoses. 

Dr. Kumar's strengths include diagnosing difficult cases and offering sensible treatments that are logical and safe. He understands the ability of the body to naturally heal itself as a basis for his treatment protocols. Dr. Kumar also embraces multidisciplinary care, including physical therapy, acupuncture, and chiropractic, to get well and stay healthy.

To schedule an appointment with Dr. Kumar and the team at New Jersey Advanced Pain Management Center, call the office or book an appointment online today.

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Byrne L. Solberg, M.D. is a specialist in Physical Medicine and Rehabilitation. He was born in Philadelphia, Pennsylvania and spent his youth in Dearborn, Michigan. He attended Wayne State University in Detroit, Michigan for undergraduate studies in Biology. Thereafter, he completed his medical education at the Temple University School of Medicine in Philadelphia. He completed an internship in Internal Medicine at the Hahnemann University Hospital and Saint Agnes Hospital in Philadelphia. To specialize, he proudly completed his residency in Physical Medicine and Rehabilitation at Thomas Jefferson University.

Dr. Solberg has extensive experience in inpatient and outpatient Rehabilitation Medicine. He currently specializes in injury rehabilitation, electrodiagnosis, disability evaluations, and legal medicine. He enjoys meeting and serving new patients who have suddenly found themselves with musculoskeletal, neurological, or functional changes in order to help them move forward with their lives.

Dr. Rodriguez is the President of Dynamic Injury Solutions LLC. His focus is the diagnosis and improvement of physical and physiological conditions that affect form and function of the human body. His practice offers high-quality options in diagnostics, therapies, treatments, and counseling in conditions that mostly affect the musculoskeletal system. He is a board-certified physician in Physical Medicine and Rehabilitation, Pain Medicine, Quality Assurance and Utilization Review, and Independent Medical Examination. To date, he has treated over 14,000 patients using state-of-the-art medical science coupled with alternative and complementary techniques.

Dr. Rodriguez graduated from The University of Pennsylvania in 1981. He double-majored in Biophysics and Natural Sciences with a concentration in Biochemistry. Thereafter, he graduated from The University of Pennsylvania School of Medicine in 1985, where he assisted in many operations, particularly of the hands, large articulating joints, and the cardiovascular system. Through his residency at the Hospital of the University of Pennsylvania (HUP), which he completed in 1989, he focused on the recognition and treatment of acute and chronic disabling conditions.

Following his residency, Dr. Rodriguez started his private practice. He also served as Assistant Chief of Physical Medicine and Rehabilitation at the Philadelphia Veterans Affairs Medical Center, and Director of Physical Medicine Services for the Skilled Nursing Facility of the Presbyterian Medical Center for five years, while also serving as Associate Clinical Professor within the Department of Internal Medicine of the HUP system for five years.

In addition, Dr. Rodriguez served as Medical Director of the Acupuncture Drug Detoxification Research Program of Philadelphia for one year, founder and elected Chairman of the North Philadelphia Health System’s first Department of Physical Medicine and Rehabilitation for three years, and taught podiatry residents from the Podiatry College of Philadelphia. During that time he held admitting and consulting privileges at six Philadelphia area hospitals.

In 1997, Dr. Rodriguez began to devote his time to private office practice. He has kept his focus on patients, science, and technology by adding MRI, Ultrasound, Lasers, and autologous stem cell treatment services. At present, he heads a medical company of 80 employees and 15 health profession licensed healthcare providers with eleven locations in Philadelphia and four surrounding counties. He is a member of the American Medical Association, the Pennsylvania Medical Society, the American Academy of Physical Medicine and Rehabilitation, the American Academy of Pain Medicine, the Pennsylvania Pain Society, the American Academy of Medical Acupuncture, the American Board of Independent Medical Examiners, Physicians for Patients’ Rights, and Jurispro.

Dr. Rodriguez has continued to add to his base of knowledge, completing a Graduate Management Program through the Aresty Institute of Executive Education of the Wharton School in 2017. In addition to improving himself, he has enjoyed collaborating with and advising young students from his alma mater as an advisor for the PENN Biotech Group including Penn Health-Tech and Pennovation. His mission in these regards is to not only remain current but also to support improvements in modern healthcare spanning from digital health to helping more individuals gain access to healthcare who might not otherwise have access.

Dr. Rodriguez has over thirty-five years of experience in the treatment of joints, ligaments, tendons, muscles, and nerves. He approaches patients with compassion and understanding. Dr. Rodriguez, himself, has undergone 2 separate lower back surgeries and understands pain and disability not only from a scientific perspective but also from personal experience.

Frank Colarusso, DO, is board-certified in physical medicine and rehabilitation at Mercer-Bucks Orthopaedics in Hamilton, Lawrenceville, and Princeton, New Jersey, and Langhorne, Pennsylvania. 

Dr. Colarusso maintains double-board certification, having recently recertified with both the American Medical Association, the American Board of Physical Medicine & Rehabilitation, and the American Osteopathic Association. With an attention to detail and passion for continuing education, Dr. Colarusso is proud to provide comprehensive non-operative musculoskeletal, spine, and sports medicine. 

He specializes in MSK neck and back pain, EMG services, acute and chronic pain syndromes with medication management, dry needling, Osteopathic Manual Manipulation treatments as well as ultrasound-guided injections, nerve blocks, and biologics.

After receiving honors at Rider University in Lawrenceville, New Jersey, and Philadelphia College of Osteopathic Medicine in Pennsylvania, Dr. Colarusso remained in Pennsylvania to intern at St. Barnabas Health Care System. He later was the chief resident in Physical Medicine and Rehabilitation at Boston University Medical Center in Massachusetts. 

Previously serving as one of three attending physicians at the 15th largest rehabilitation hospitals in the United States, Dr. Colarusso is proud to serve new and returning patients from the Mercer-Bucks Orthopaedics offices. 

Jeremy Jaffe, MD, is a pain management physician at SEPA Pain & Spine in Horsham, Langhorne, and Chalfont, Pennsylvania. Dr. Jaffe joined the team in 1996. 

Since then, he has gained a reputation as a patient listener and effective communicator while providing a thoughtful, considerate, compassionate and comprehensive approach toward chronic pain management. He enjoys the challenge of first establishing each patient's primary pain generator and then creating an individualized multimodal approach to reduce pain and improve quality of life.

Dr. Jaffe's areas of subspecialty interest include mechanical low back pain and opioid dependence counseling and treatment. Dr. Jaffe is also a registered provider of medical marijuana certification in Pennsylvania. He spent over 20 years helping to train medical students and anesthesia residents in his capacity as Director of Medical Education for United Anesthesia Services-Abington Division. Dr. Jaffe currently serves as Vice President and Director of Human Resources for SEPA Pain Management.

He is a graduate of Haverford College in Haverford, Pennsylvania. Dr. Jaffe received his medical school training at Lewis Katz School of Medicine at Temple University. After completing an internship at Abington Hospital, he completed his residency in anesthesiology at the Hospital of the University of Pennsylvania, where the majority of his subspecialty training was devoted to pain management.

When not helping patients, Dr. Jaffe devotes a great deal of time to charitable causes, including his annual participation as co-chair for Rockin’ Docs for Diabetes Cure. His other interests include drumming, bicycling, playing tennis, and traveling.

Patrick Fall, DO, is a pain management physician at SEPA Pain & Spine in Horsham, Langhorne, and Chalfont, Pennsylvania. Dr. Fall joined the team in 2006. 

Dr. Fall grew up in central Pennsylvania and received his Bachelor of Science from Juniata College in Huntingdon, Pennsylvania. He received a Master of Science with an emphasis in biology from Fairleigh Dickinson University in Teaneck, New Jersey. 

Dr. Fall moved to the Philadelphia area in 1997 and received his Doctor of Osteopathic Medicine in 2001. He completed his residency in anesthesiology at Thomas Jefferson University Hospital in Philadelphia, followed by a fellowship in pain medicine at Thomas Jefferson University Hospital and The Jefferson Pain Center. 

He is a Diplomate of the American Board of Anesthesiology and is dual-certified in both anesthesiology and pain medicine. Dr. Fall obtained certification in Suboxone® therapy in 2014 and is certified by the state of Pennsylvania to register patients in the medical marijuana program.

Dr. Fall provides state-of-the-art pain management treatments with precision and compassion. His goal is to allow his patients to become active participants in their own treatment, which he believes leads to better outcomes and overall care. He strives to stay current with his treatment plans using evidence-based protocols in all aspects of the care he provides. 

He is committed to finding the right treatment for each patient, increasing quality of life, and restoring function. It is his intention to provide help and hope to patients who feel they have exhausted all other options.

Dr. Fall has been married for over twenty years and has three children. He enjoys spending time with his family and pets. He’s an enthusiastic skier, traveler, and movie buff.

Soon Jung, MD, is a pain management physician at SEPA Pain & Spine in Horsham, Langhorne, Chalfont, and Meadowbrook, Pennsylvania. He joined the team in 2021.

Dr. Jung is originally from the New York metro area. He graduated from the State University of New York Binghamton University before completing his medical education at SUNY Upstate Medical University in Syracuse, New York, in 2010.

He began his medical career as a neurosurgical resident at Rutgers New Jersey Medical School in Newark, New Jersey. After completing multiple years of training, Dr. Jung realized that, unfortunately, many patients continued to have chronic pain despite surgery, and during his time there, he became exposed to chronic pain management under the tutelage of Dr. Andrew Kaufman.  

After seeing the positive and life-changing impact of helping someone alleviate chronic pain, he decided to pursue a career in pain management. Therefore, he made a career move and began his anesthesia training at the Westchester Medical Center. Upon completing his residency, he began his pain management fellowship training at the University of Pittsburgh Medical Center. After completing his fellowship in 2016, he became an attending physician at the Lehigh Valley Medical Center in Allentown, Pennsylvania. While there, he was in charge of the neuromodulation program and the intrathecal pump program. With the use of intrathecal drug delivery, Dr. Jung was able to get patients off oral opioids while continuing to treat patients who required opioids in a safe, controlled manner that was physician-controlled.

He is double board-certified in anesthesia and pain management. Because of his neurosurgical background, he brings a unique skill set not found in most pain management physicians to SEPA Pain & Spine.  He believes that every patient’s pain is unique and that treatment plans should be catered to the patient’s needs. He brings with him experience and knowledge in all areas of pain management, including medication management as well as minimally invasive procedures designed to treat chronic pain.

Dr. Jung now resides in the Blue Bell area and is married with three young children. He spends his free time combing the country for the newest and latest ways he can treat his patients. He feels blessed that he can truly say that for him, his work is his hobby.

Sanjay Shah, MD, is a pain management physician at SEPA Pain & Spine in Horsham, Langhorne, and Chalfont, Pennsylvania. He joined the team in 2006.

Dr. Shah earned his undergraduate degree from Johns Hopkins University in Baltimore, Maryland, and his medical degree from Ponce Health Sciences University in Puerto Rico. He then completed his residency in anesthesiology and a fellowship in pain management, both at Thomas Jefferson University Hospital.

He is a pain management physician who specializes in treating debilitating and painful conditions through various interventional orthopedic therapies. His philosophy for treating patients is based on staying current with the latest pain management, minimally invasive spine surgery, and regenerative techniques so he can provide the best possible care for his patients.

Dr. Shah is dual board-certified in anesthesiology and pain medicine through the American Board of Anesthesiology with a subspecialty certification in pain medicine. In 2014, Dr. Shah founded Regenexx Philadelphia, where he began treating patients by utilizing their own platelets and stem cells to regenerate tissue. 

On a personal note, Dr. Shah is an avid do-it-yourselfer and makes every effort to stay current on technology. In his spare time, he enjoys cooking, traveling, and spending time with his family.

Professional Experience

Emergency Medicine
Karen launched her clinical career in the fast-paced Emergency Rooms of Christ Hospital and Hoboken University Medical Center, where she spent a decade refining her skills in acute and emergency care. This experience honed her ability to make critical, life-saving decisions and adapt swiftly to high-pressure situations.

Primary Care & Urgent Care
In 2020, Karen transitioned to urgent care settings in Central Jersey, broadening her expertise in Primary Care. This shift allowed her to cultivate meaningful patient relationships, manage chronic conditions, and address acute illnesses. Her adaptability and holistic approach became pivotal in delivering effective, compassionate care.

Specialization in Endocrinology
Currently, Karen’s focus is on Endocrinology, a field she finds deeply rewarding. She specializes in managing intricate conditions like diabetes, thyroid disorders, and metabolic challenges. Her patient-first approach ensures tailored, evidence-based solutions that empower individuals to achieve better health and well-being.

Commitment to Professional Growth
Karen actively engages in continuing education and professional development to remain at the forefront of advancements in medical science. She participates in seminars and workshops, ensuring her practice integrates the latest research and technologies.

Philosophy of Care

Karen’s approach to healthcare is rooted in empathy, respect, and collaboration. She believes that every patient deserves a customized care plan, clear communication, and a trusted partnership to navigate their health journey. Her philosophy combines medical expertise with genuine compassion to ensure positive outcomes.

Achievements

• Clinical Excellence: Recognized for her exceptional diagnostic skills and patient rapport in both emergency and primary care settings.
• Community Engagement: Participates in health awareness programs and local health fairs, promoting preventive care and wellness education.
• Mentorship: Serves as a mentor to aspiring healthcare professionals, sharing her insights and fostering a commitment to compassionate care.

Personal Life

Karen is a dedicated wife and mother of three young children who keep her energized and inspired. She is also the proud owner of a Yorkie who completes the family. In her downtime, she channels her creativity into crafting and baking and unwinds with her favorite Netflix series. She loves outdoor adventures with her family and is passionate about maintaining a balanced life, both personally and professionally.

Kevin Elaahi, MD, is a fellowship-trained pain management specialist and an integral team member at Interventional Pain Consultants. Through his work with patients from in and around Parsippany, New Jersey, Dr. Elaahi improves lives.

Education has always been a guiding force in Dr. Elaahi's life. He began his studies at Stony Brook University in New York, earning a Bachelor of Science in engineering. He remained at Stony Brook to complete his medical degree.

A residency in anesthesiology at Montefiore Medical Center/Albert Einstein College of Medicine in the Bronx, New York City, New York, followed. Dr. Elhaai then refined his skills and knowledge through a fellowship in pain medicine at Mount Sinai Hospital in New York City.

Patients enjoy working with Dr. Elaahi and especially appreciate his willingness to truly get to know their specific treatment needs and goals. His attention to detail allows those in his care to feel confident that they are in the best hands.

Dr. Elaahi is dedicated to keeping up to date with the newest and most innovative treatments for the benefit of his patients who may be suffering from pain anywhere from head to toe. He believes in utilizing a multidisciplinary approach to treating pain.