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Ramin AmirNovin, MD, FAANS, FCNS (“Dr. A”) is an accomplished neurosurgeon and spinal surgeon at Inland Neurosurgery Institute (INI) in Pomona, California. Dr. AmirNovin has wanted to be a neurological surgeon since the age of thirteen. While volunteering at the Scripps Memorial Hospital in La Jolla, California, he witnessed a life-saving craniotomy (brain surgery) on a trauma patient, and this inspired him immensely. He double-majored in chemistry and biochemistry and graduated with the highest distinction of summa cum laude from the University of California, San Diego, where he was part of the Phi Beta Kappa Honor Society.

He continued his education in New York City, where he obtained his medical degree with the highest honors (Alpha Omega Alpha Honor Society and Lucien Rubinstein Award) from New York University Medical School. He completed his general surgery and neurological surgery training at the prestigious Massachusetts General Hospital (MGH). He also completed a two-year fellowship program for specialty training in functional/stereotactic neurosurgery at MGH.

Dr. AmirNovin has written several book chapters, numerous articles for peer-reviewed publications, and performed cutting-edge research on brain tumors, movement disorders, pain syndromes, and epilepsy.

Dr. AmirNovin practiced complex general neurosurgery at MGH before moving back to the West Coast to be near his family in 2007. As a board-certified, fellowship-trained neurosurgeon, he has extensive experience in the treatment of complex spine problems and tumors, brain tumors, cranial-spinal trauma, stroke, movement disorders, complex pain syndromes, Parkinson’s, and peripheral nerve diseases.

Dr. AmirNovin believes that the most important service he provides his patients is a “no-hype, no-gimmick, no-pressure approach to neurosurgery.”   He is highly regarded by his patients and the local physicians for doing the least invasive surgery necessary to restore the patient’s health and functional status. He takes the time to explain the disease process to the patient and explains all of the risks and benefits of their various options for treating them.  Dr. AmirNovin is the Senior Partner at INI.

His patient-centered approach to neurological surgery has gained him numerous clinical recognitions based on patient and colleague reviews. He is rated as a Castle Connolly top doctor for multiple years and is routinely a '5-star' medicare participant.  

In his free time, Dr. AmirNovin enjoys spending time with his family, computer programming, skiing, and dabbling in digital photography.

EDUCATION

• 1996: Bachelor of Science in Chemistry / Biochemistry (Summa Cum Laude, Phi Beta Kappa, Highest Honors)
• 2000: Medical Doctorate (MD) from New york University (NYU) Medical School (Alpha Omega Alpha Honors Society)
• 2000: General Surgery Internship – Massachusetts General Hospital (MGH), Boston, MA
• 2001-2006: Neurosurgery Residency at Harvard’s Massachusetts General Hospital (MGH)
• 2005-2006: Fellowship training in Functional Neurosurgery at Harvard Medical School Center for CNS Regeneration (includes Surgery for Parkinsons, Complex pain, Image-Guided Surgery,
• Movement Disorders, and Seizure disorders)
• GAMMA Knife trained and certified 2008.
• Board Certified by the American Board of Neurological Surgeons, 2010

ASSOCIATIONS & MEMBERSHIPS

• American Association of Neurological Surgeons (AANS)
• Congress of Neurological Surgeons (CNS)
• American Society for Stereotactic and Functional Neurosurgery (ASSFN)

ARTICLES & JOURNALS

• Article: Trigeminal Neuralgia (TN)
• Article: Deep Brain Stimulation Surgery for Parkinson’s Disease
• Article: PubMed.gov Articles

Medical School:  University of Cincinnati College of Medicine – Cincinnati, OH

Internal Medicine: Rush-Presbyterian-St. Luke’s Medical Center – Chicago, IL

Diagnostic Radiology: Tulane University Medical Center – New Orleans, LA

Neuroradiology/Endovascular Surgical Neuroradiology: Mallinckrodt Institute of Radiology,

Washington University – St. Louis, MO

American Board of Radiology 1994

Certificate of Added Qualifications in Neuroradiology 1996

Donald Frei, MD, is one of the board-certified neurointerventional surgeons at RIA Neurovascular in Englewood, Colorado. 

Dr. Frei earned his Doctor of Medicine at the University of Cincinnati College of Medicine, in Cincinnati, Ohio. He served his internship at Rush-Presbyterian-St. Luke's Medical Center in Chicago, before continuing his training with a diagnostic radiology residency at Tulane University Medical Center in New Orleans. 

Dr. Frei went on to complete rigorous fellowship training in neuroradiology / endovascular surgical neuroradiology at Washington University's Mallinckrodt Institute of Radiology in St. Louis. Dr. Frei has also contributed to several articles in peer-reviewed journals. In addition to his certification through the American Board of Radiology, he also has a certificate of added qualifications in neuroradiology.

He provides a wide range of neurointerventional services and has specific interest in the endovascular treatment of acute stroke, intracranial aneurysms, and extracranial revascularization techniques. He also offers minimally invasive procedures, including catheter-directed stroke intervention, angioplasty, stent revascularization, and treatments for cerebral aneurysms and arteriovenous malformations (AVMs).

About The Practice

David Chang, MD-PhD, DABNS, is a board-certified neurosurgeon specializing in treating Minnesotans with complex brain and spine conditions in Roseville, Minnesota.

After earning both his MD and PhD from Johns Hopkins University School of Medicine, Dr. Chang completed his neurosurgical residency at Mount Sinai Hospital. He then completed his neurosurgical fellowship at the National Institute of Neurological Disorders and Stroke.

Dr. Chang has been in practice for over twenty years joined Midwest Spine and Brain institute in 2015, where he continues to provide exceptional neurosurgical care.

Dr. Chang treats a range of conditions that affect the brain and spine. He routinely sees patients who are living with conditions such as spinal stenosis, herniated discs, spine tumors, and adult spine deformity. He also performs spinal fusion, artificial disc replacement, revision spine surgery, and complex spine surgery.

To stay current with the latest advances in his field, Dr. Chang maintains his certification with the American Board of Neurological Surgery.

Dr. Chang is currently accepting new patients and looks forward to partnering with them.

Benjamin Atchie, DO, one of the gifted neurointerventional surgeons at RIA Neurovascular in Englewood, Colorado. He is board-certified in diagnostic radiology with a certificate of added qualification in neuroradiology. 

Dr. Atchie completed his Doctor of Osteopathic Medicine from the New York College of Osteopathic Medicine, in Westbury, New York. He went on to serve his internship at New York University Langone Hospital, in Brooklyn, New York, and a residency in diagnostic radiology at the Robert Wood Johnson Barnabas Health, Saint Barnabas Medical Center in Livingston, New Jersey. 

Dr. Atchie has also participated in several prestigious fellowship programs, including interventional radiology, interventional neuroradiology, and diagnostic neuroradiology at the University of Texas Southwestern Medical Center in Dallas. He has contributed to several publications in peer-reviewed journals. 

Dr. Atchie is committed to helping his patients improve their overall health. He provides highly specialized neurointerventional procedures to address issues, including stroke, aneurysm, and carotid stenosis. His compassionate, patient-focused approach helps him to educate and empower patients to understand their health and treatment options. 

Richard Bellon, MD, is one of the board-certified neurointerventional surgeons practicing at RIA Neurovascular, in Englewood, Colorado. In addition to his board certification by the American Board of Radiology, he also has a certificate of added qualifications in neuroradiology. 

Dr. Bellon earned his Doctor of Medicine at the renowned Case Western Reserve School of Medicine, in Cleveland. He served his internship at MetroHealth Medical Center in Cleveland before completing his diagnostic radiology residency at the University of Arizona, in Tucson. Dr. Bellon also completed prestigious fellowship programs in diagnostic neuroradiology at Stanford University in Palo Alto, California, and interventional neuroradiology at Massachusetts General Hospital, in Boston. 

Dr. Bellon has also contributed to many articles in peer-reviewed journals and publications. He is a senior member of the Society of Neurointerventional Surgery and the American Society of Neuroradiology. 

Dr. Bellon focuses on minimally invasive endovascular treatments for cerebral aneurysms, arteriovenous malformations (AVMs), dural fistula, and stroke. He offers a patient-focused approach and takes time to answer questions and ensure his patients understand their conditions and treatment options. 

A native of the Tri-Cities, David Wiles, MD, received his bachelor of science from Auburn University, Al., and his doctorate of medicine from Tulane University School of Medicine, New Orleans, La. Following, Dr. Wiles completed his general surgery internship and a neurosurgery residency at the University of Tennessee, Memphis.

Board certified in neurosurgery, Dr. Wiles has trained under internationally-known spine surgeons, including Kevin Foley, MD, Maurice Smith, MD, and Peter Klara MD. Following his training, Dr. Wiles returned to the Tri-Cities where he established the East Tennessee Brain and Spine Center. This brought leading-edge neurosurgical care to those he knew and loved. Dr. Wiles has also been actively involved in the development of numerous spinal surgical techniques and devices.

Trained and experienced in Mazor Robotics, Dr. Wiles was the Director of the Neuroscience Department for a system that included 20 hospitals. Most notably, he has participated in several investigational studies with the Food & Drug Administration. Such experience has allowed him the honor of speaking at international meetings and serving on the Evaluation Committee for ARGOS, the European Association of Research Groups for Spinal Osteosynthesis.

Today, he is privileged to serve as a faculty member at teaching conferences held across the United States for the purpose of training spine surgeons and orthopedic and neurosurgical residents. A member of the American Association of Neurological Surgeons, the Congress of Neurosurgeons, the Joint Section on Spine and Peripheral Nerves, the North American Spine Society, the International Society for Advancement of Spinal Surgery, the Joint Section on Neurotrauma and Critical Care andthe International Meetings for Advanced Spinal Technologies.

Practicing since 1997, Dr. Wiles and his wife now make their home in Chattanooga.

RIA Neurovascular is the leading neurointerventional surgery center in the Denver area, with locations in Englewood, Aurora, Lone Tree, Littleton and Golden, Colorado. The highly experienced team of neurovascular specialists offer state-of-the-art, minimally invasive treatments for a wide range of conditions, including arteriovenous malformations (AVMs), brain aneurysms, subdural hemorrhage, carotid stenosis, and stroke.

The team at RIA Neurovascular only uses evidence-based, cutting-edge therapies to diagnose and treat neurovascular health problems. All surgeons are fellowship-trained, board-certified leaders in the field. They’re supported by equally well-trained nurse practitioners and clinical staff. 

The team is responsive and patient-focused. They take time to explain patients’ health issues and treatment options. The team wants to educate patients, so they feel empowered to make the best decisions about their health care. 

RIA Neurovascular actively participates in clinical research. They investigate and support emerging best practices and technologies to ensure they offer the best possible procedures. 

RIA accepts most insurance plans. The practice welcomes new patients and offers appointments via the phone or the online scheduling tool. 

Board-certified in both diagnostic radiology and neuroradiology, Ian Kaminsky, MD, MS, is one of the leading neurointerventional surgeons practicing at RIA Neurovascular, in Englewood, Colorado. He offers state-of-the-art procedures to address a wide range of health conditions ranging from ischemic stroke to cerebral aneurysms.

Dr. Kaminsky earned his Doctor of Medicine and Master of Science with honors at the American University of the Caribbean School of Medicine, in St. Maarten, Netherland Antilles. He served his internship and his radiology residency at William Beaumont Hospital in Royal Oak, Michigan.

Dr. Kaminsky went on to complete rigorous fellowship training in diagnostic neuroradiology at Weill Cornell Medical Center, New York-Presbyterian Hospital and Memorial Sloan Kettering Cancer Center, in New York. He participated in an additional prestigious fellowship program in endovascular surgical neuroradiology at Johns Hopkins Hospital in Baltimore.

Dr. Kaminsky shares his knowledge and expertise by presenting at seminars and conferences around the country. He has also contributed to publications in peer-reviewed medical journals.  

Eric Arias, MD, is one of the gifted neurointerventional surgeons practicing at RIA Neurovascular in Englewood, Colorado. Dr. Arias has a combined background as a neurosurgeon and endovascular neuroradiologist, which allows him to provide a comprehensive and unbiased perspective to his patients. 

Dr. Arias earned his Doctor of Medicine at the prestigious Columbia University in New York City. He went on to serve his neurological surgery residency at Washington University / Barnes Jewish Hospital in St. Louis. 

He also completed rigorous fellowship training in endovascular surgical neuroradiology at Washington University's Mallinckrodt Institute of Radiology in St. Louis. Dr. Arias has also contributed to dozens of articles published in peer-reviewed journals. 

Dr. Arias provides both surgical and minimally invasive endovascular procedures to address health issues, including aneurysms, stroke, and carotid stenosis. His other areas of particular interest include meningiomas, cervical spine disease, and minimally invasive spinal surgeries. He offers a compassionate, customized approach to patient care, combined with a meticulous surgical ability. 

Aqib Zehri, MD, is a fellowship-trained neurosurgeon in Portland, Oregon, specializing in complex spine surgery. He treats a wide range of spinal conditions, from common degenerative disorders to advanced deformity and revision cases, with a focus on identifying the underlying cause of symptoms and selecting the most appropriate treatment.

Dr. Zehri’s approach emphasizes careful evaluation and individualized care. He offers both non-surgical management and advanced surgical options, including minimally invasive and endoscopic techniques, when appropriate. His goal is to relieve nerve compression, restore spinal function, and maintain as much normal anatomy as possible.

In addition to treating routine spine conditions, Dr. Zehri has experience in complex cases, including spinal deformity, revision spine surgery, and conditions involving spinal alignment and neurologic compromise.

Dr. Zehri completed his undergraduate and medical training at The University of Arizona. He then completed his neurosurgery residency at Wake Forest University School of Medicine, followed by advanced fellowship training in complex spine surgery at the Barrow Neurological Institute in Phoenix, Arizona.

He is committed to providing thoughtful, patient-centered spine care with an emphasis on clear diagnosis, appropriate treatment selection, and long-term outcomes.

As a leading neurosurgeon in Orange County, California, Christopher Duma, MD, FACS, offers the most comprehensive care for brain tumors, brain diseases, and movement disorders. At his Newport Beach neurosurgical practice, he specializes in minimally invasive surgeries using state-of-the-art technology.

Dr. Duma is board-certified by the American Board of Neurological Surgery and a fellow of the American College of Surgeons. Dr. Duma also serves as the medical director of the brain tumor program at Hoag Memorial Hospital Presbyterian, a highly ranked academic hospital in Newport Beach, California.

Dr. Duma stays up to date on the latest neurosurgical treatments and technologies. He has even patented an immunotherapy treatment for glioblastomas, and his gene therapy and other research are an integral part of the fight against malignant brain tumors. His Newport Beach office is fully equipped with the latest computer-assisted neurosurgical technologies, radiosurgery tools, like Gamma Knife® and CyberKnife®, and the world-renowned StealthStation™ navigational surgical system.

After earning his medical degree from Stony Brook University School of Medicine in Stony Brook, New York, Dr. Duma completed his residency in neurological surgery at MedStar Georgetown University Hospital in Washington, DC. He went on to complete a one-year fellowship at the University of Pittsburgh, Presbyterian Hospital in Gamma Knife radiosurgery and stereotactic neurosurgery. This hospital was the first in the nation to install Gamma Knife technology, and since 1990, Dr. Duma has been performing Gamma Knife radiosurgery, making him an expert in this field.

At his Newport Beach neurosurgical practice, Dr. Duma offers a variety of surgical services to address brain disease and tumors, as well as neurological conditions like Parkinson’s disease. He is also skilled in regenerative treatments, like stem cell therapy, to restore patient function and improve overall health.

For a personal consultation with Dr. Duma, call the office or request a consultation online today.

Brian Kelley, DO, is a Kansas native and has practiced at the Center for Orthopaedics in Lake Charles since 2016.

He earned his undergraduate degree in genetics and biochemistry at the University of Kansas in Lawrence and his doctor of osteopathic medicine at Oklahoma State University in Stillwater. He then served his internship in general surgery and his residency in neurosurgery at the University of Kansas Medical Center in Kansas City, Kansas.

Dr. Kelley is certified by the American Board of Neurological Surgery and is active in the Congress of Neurological Surgeons, the American Association of Neurological Surgeons, and the Louisiana Association of Neurological Surgeons.

Dr. Kelley is passionate about research and education, always staying on the cutting-edge of his field. He enjoys connecting with his patients and watching them improve through treatment and arrive at a successful outcome.

About Dr. Akshay Gupte

Dr. Akshay Gupte is a distinguished, ABNS board-certified neurosurgeon with over 18 years of clinical excellence. As a Fellow of the American College of Surgeons, Dr. Gupte has dedicated his career to mastering minimally invasive and advanced hybrid surgical techniques. His practice is defined by a commitment to precision and safety, consistently delivering superior clinical outcomes.   

Specializing in the surgical management of complex brain and spine tumors, Dr. Gupte utilizes state-of-the-art international techniques and globally recognized guidelines. He is a pioneer in advanced spine care, offering innovative hybrid solutions for neck and back pain that successfully balance stability with mobility to ensure long-term relief and world-class recovery.  

About Brittni

Brittni Mack, PA-C, is a neurosurgery and neurointerventional surgery physician assistant who joined Link Integrated Healthcare in 2023. She started her career in trauma and emergency general surgery, where she cultivated a fascination and appreciation for neurosurgical care.

Brittni was born and raised near Pittsburgh, PA, and completed both of her undergraduate and graduate physician assistant studies at Saint Francis University in Loretto, PA. There, she earned minors in neuroscience and biology. Shortly after graduation, she moved to Southern California to chase the sunshine and launch her career. In her free time, she enjoys the beach, adventures with her dogs and cat, plant-based cooking, snowboarding, live music, and Pittsburgh Penguins hockey.

Anthony W. Lee, MD, FAANS, FACS, is an experienced Neurosurgeon at Fort Worth Brain & Spine Institute, where patients are treated like family. The practice has two offices in Fort Worth and additional offices in Cleburne, Texas, so that patients can choose the nearest location.

Dr. Lee received his undergraduate degree and his doctorate of medicine and completed his internship at the University of the Philippines. He then attended Wayne State University in Michigan to complete his residency and spine and neuro-endovascular fellowship. Dr. Lee has special advanced training in neurovascular, endoscopic, and keyhole approaches.

His practice focuses on conditions in the brain and spine, specifically: brain tumors, pituitary tumors, brain aneurysms, brain arteriovenous malformation, Chiari malformation, trigeminal neuralgia, hemifacial spasms, spine tumors, cervical, lumbar and thoracic stenosis, lumbar spondylolisthesis and lumbar disc herniations.

Dr. Lee believes in providing compassionate care, understanding each patient’s story, and treating every patient as if they were a member of his own family. Dr. Lee also believes in being actively involved in the education of students and fellow physicians in the community concerning neurosurgical conditions.

Voted on by his medical peers, Dr. Lee has consistently been selected as a “Top Doc” in Neurosurgery by Fort Worth Magazine since its inception.

Dr. Lee was born in Manila, Philippines, and came to the United States in 2002. He enjoys spending time with his wife and their five children in his spare time.

Brent T. Alford, MD, FAANS, FACS, is a highly skilled and accomplished Neurosurgeon at Fort Worth Brain & Spine Institute, where patients are treated like family. 

Dr. Alford received his undergraduate degree in Finance from the University of Texas at Austin. He received his medical degree from the University of Texas Southwestern Medical Center. He completed his residency at the Division of Neurosurgery in the Department of Surgery at the University of Texas Medical Branch in Galveston.

His residency focused on neuro-oncology, complex spine surgery, and epilepsy surgery. Dr. Alford specializes in the nonoperative and surgical treatment of disorders of the brain, spine, and peripheral nerves. He provides comprehensive care for spinal disorders, from minimally invasive decompressions to extensive spinal reconstructions for deformity.

He also treats patients with neuro-oncology, epilepsy disorders, neuromodulation, and various other brain and spine disorders.

Dr. Alford believes in individualized care for each of his patients, and by taking adequate time to learn each person’s story, he can provide the very best care possible. Voted on by his medical peers, Dr. Alford has consistently been selected as a “Top Doc” in Neurosurgery by Fort Worth Magazine since its inception.

He was born and raised in Austin. He and his wife have three children. When he is not working, Dr. Alford enjoys hunting, fishing, sailing, and, most importantly, spending time with his family and attending his children’s extracurricular activities.