Board of Directors


Chairman of the Board and Chief Executive Officer


Karan Johar, M.D.

Dr. Johar is a dual boarded physician certified by the American Board of Physical Medicine and Rehabilitation, as well as, subspecialized in Pain Medicine (American Board of Medical Specialties) with advanced expertise in spine care and fellowship training in interventional pain medicine.

As a member of both the Rehabilitation Medicine and the Pain Service, his clinical work specializes in restoring function awhile a wide array of pain.




Douglas Beall, M.D.

Dr, Douglas P. Beall, is board-certified in Diagnostic Radiology, has an added fellowship in Musculoskeletal Radiology, and is in private practice focused on interventional musculoskeletal radiology. In addition to his expertise in musculoskeletal imaging and interventional spine care, Dr. Beall is a Diplomate of the American Academy of Pain Management and is actively involved in teaching and research. He has published more than 200 articles in peer-reviewed journals, authored three textbooks and 11 textbook chapters, and given more than 200 invited lectures and scientific presentations. He is currently the Chief of Radiology Services for Clinical Radiology of Oklahoma as well as the Division Head of Interventional Spine Care and Director of Pain Management Fellowship Programs at the Spine Fracture Institute and Summit Medical Center.


Resident/Fellow Director-at-large


Yu Chiu, D.O.

Dr. Yu Chiu is a physiatrist in New York, New York and is affiliated with multiple hospitals in the area, including NYC Health and Hospitals, Bellvue, NYU Langone Hospitals, NYU Langone Orthopedic Health, Veterans Affairs Hospital of Manhattan and Brooklyn. He received his medical degree from Erie, Pennsylvania. He was presented with a Cancer Research Training award during his Fellowship at the National Cancer Institute in Bethesda, MD. Dr. Yu CHiu is recognized for multiple research publications, awards, recognition and has presented to experts in the field of PM&R and Pain Medicine at numerous national conferences including NANS, AAP, AAPMR, NYSPS, ASIPP, and others. He will be completing his Residentcy in Physical Medicine and Rehabiltiation at NYU Langone School of Medicine, Ranked #7 on US News and Health, and #1 in Research on Doximity and will be training at the Medical College of Wisconsin for his Anesthesia-based Comprehensive Pain Fellowship, a 2016 AAPM Pain Medicine Fellowship Excellence Award recipient.


National BoarD


Northeastern Regional Director

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Bhupinder Saini, M.D.

“With all of the advancements in pain management in recent years, no one should have to suffer from physical pain. Patients today have many options. It’s a matter of finding the one that works best for their situation.”

Dr. Saini earned his degree in medicine from Government Medical College – India. He completed his residency at Advocate Ravenswood Medical Center, Chicago, and is board certified in anesthesiology and pain management.

Mid-Atlantic Regional Director

Jaspal Ricky Singh, M.D

Dr. Singh is the Director of Interventional Spine at the Weill Cornell Center for Comprehensive Spine Care (New York, NY).  He is a triple-board certified physician in Physical Medicine and Rehabilitation, with subspecialization in Pain Medicine and Sports Medicine.   

Dr. Singh employs a multidisciplinary approach to treat pain by integrating minimally invasive interventional techniques along with rehabilitation to focus on functional restoration.

Southeastern Region Director


Navdeep Jassal, M.D.

Dr. Jassal is board certified in both Pain Medicine and Physical Medicine and Rehabilitation by the American Board of Physical Medicine and Rehabilitation. He completed his Physical Medicine and Rehabilitation residency training at NSLIJHS/Hofstra North Shore-LIJ School of Medicine Program in Great Neck, New York. He was elected by his fellow residents and the Departmental Faculty as Chief Resident for the 2013-2014 academic year. Dr. Jassal then completed a prestigious ACGME approved Interventional Pain Medicine fellowship at the University of South Florida.

His pain medicine subspecialty training extends his physiatric skill-set to offer a multidisciplinary approach to complex pain management. This includes treatment of cancer, neurological and musculoskeletal pain using medications, tailored physical therapy prescriptions, fluoroscopically/ultrasound/CT guided interventional pain and spine procedures. His procedures include implantable spinal cord stimulators, radiofrequency ablation, intrathecal drug delivery systems, kyphoplasty, and complex headache/facial pain management.

Southern Regional Director


Dane Pohlman, D.O.

Dr. Dane C. Pohlman is double board certified, having completed an ACGME accredited pain fellowship at Montefiore Hospital/Albert Einstein in New York City. He completed his residency in Physical Medicine and Rehabilitation at MedStar Georgetown University Hospital in Washington, D.C.

Dr. Pohlman’s interests include a comprehensive approach to pain management, staying true to the founding philosophy of physiatry - that of restoring and maximizing both function and quality of life. His training has prepared him to accomplish this through making use of innovative interventional techniques for spine care, peripheral joint disease, and chronic pain. 

Southwestern Regional Director


Alexander Timchenko, M.D.

Dr. Timchenko is the Assistant Professor of Anesthesiology, Uniformed Services University, Department of Pain management of the Brooke Army Medical Center in San Antonio, TX. Dr. Alexander Timchenko is Board Certified in Pain Medicine and Anesthesiology.

Dr. Timchenko earned his medical degree from Rostov State Medical University in Russia and completed fellowships at the University of Washington School of Medicine and St. Louis University Health and Sciences Center. After pursuing an anesthesiology residency through Yale School of Medicine at New Haven Medical Center, Dr. Timchenko completed a fellowship in pain medicine at the Medical College of Wisconsin in Milwaukee.  

Dr. Timchenko utilizes an all-encompassing approach to treatment, which includes development of a custom plan for each patient with supplementation of the appropriate remedies, interventional procedures and physical therapy.

Midwestern Regional Director

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Christopher Faubel, M.D.

“My mission with treating patients is to get them back to living a functional, productive, and happy life. I know that to effectively treat Spine conditions, you have to find the exact source of the pain, and that’s where my Physical Medicine diagnostic knowledge and skills come into play. Caring “bedside” manners, referrals for appropriate physical therapy, safe medication management, and precision x-ray guided pain injections make for a combination that has yielded tremendous results and happy patients.”

Western Regional Director

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John Villanueva, M.D.

Dr. John Villanueva is a Board-Certified Physician in Pain Medicine and Physical Medicine & Rehabilitation (PM&R) practicing in Burbank, CA. He is the co-founder of Innovative Pain and Spine Physicians, which focuses on the multi-disciplinary approach of treating pain from a variety of disease processes including neck and back spinal conditions, complex regional pain syndrome, joint disease, and chronic pain from spinal cord injuries, neurological disorders, cancer, and other medical conditions. His comprehensive treatment of pain includes an in-depth investigation of the root causes that could be contributing to their pain and associated symptoms and neuro deficits.

Northwestern Regional Director

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Ashish Patel, M.D.

Dr. Ashish S. Patel has a strong clinical and research interest in pediatric inflammatory bowel disease (IBD). In addition to a pediatric gastroenterology fellowship, Dr. Patel completed a specialty fellowship (awarded and funded by the Crohn's & Colitis Foundation of America) in pediatric IBD with Dr. Marla Dubinsky (Cedars-Sinai Los Angeles). Dr. Patel founded and continues to develop the multidisciplinary clinic as the foundation for a center of excellence in pediatric IBD (The Southwestern Pediatric Inflammatory Bowel Disease Center at Children's Medical Center Dallas). Currently, the outpatient clinic is supported by pediatric gastroenterologists, nurses, a registered dietitian and a child psychologist. The current patient coverage area extends from El Paso to Louisiana and Oklahoma to San Antonio. Consultation has been provided to physicians and families across the nation and internationally. The center's goal is to provide cutting edge clinical care with an emphasis on clinical research.


Executive Committee

Sonali Lal, M.D.

Julia Ioffe, M.D.

Todd Schilfstein, D.O

Larisa Likver, M.D.

Tim Canty, M.D.

Aaron Miranda, M.D.

Jessica Au, M.D.

William Gibbs, M.D.

Daniel Tsukanov, D.O.

Fabien Bitan, M.D.

Haydee Brown, M.D.

Randa Jaafar, M.D.

Kevin Wright, M.D.

Parul Jajoo, D.O.

Gbolahan Okubadejo, M.D.

Richard Apple, M.D.

Roman Isaac, M.D.

Risa Ravitz, M.D.

Alexander Rances, D.O.

Deepan Patel, M.D.

Bhupinder Saini, M.D.

Nickhil Gupta, D.O.

Lillie Rosenthal, D.O.

Matthew Grimm, M.D.

Aron Rovner, M.D.

Dane Pohlman, D.O.

Tayyaba Ahmed, D.O.

Ariz Mehta, M.D.

Steven Sheskier, M.D.

Kavita Sharma, M.D.

Imran Ashraf, M.D.

Steven Glickel, M.D.

Gary Gonya, M.D.

Raj Shrivastava, M.D.

Sudhir Diwan, M.D.

Marco Pappagallo, M.D.

Vikas Varma, M.D.

Omar F. Ahmed, M.D.

Keith Raskin, M.D.

Seth Grossman, M.D.