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Providers

Leslie Chan, MD

Leslie Chan, MD

Dr. Leslie Chan joins the Oklahoma Pain and Wellness Center from SW Missouri. He brings considerable skills and eight years of experience in the field of Pain Management and Anesthesiology.

Dr. Chan graduated from the National University of Singapore Medical School and completed his anesthesia training in Singapore before coming to the United States. Dr. Chan served Internship at St. Vincent Medical Center in Worcester, MA, and went on to complete his anesthesiology residency at University of California, San Francisco. He then stayed an additional year in San Francisco and trained at the UCSF Mount Zion Pain Management fellowship program. Dr. Chan is American Board of Anesthesiology certified in both Anesthesiology and Pain Management. Dr. Chan’s training in pain management encompass a multidisciplinary approach to chronic pain and he is a firm believer in treating a pain patient using physical therapy services, behavioral medicine counseling, judicious use of medication and interventional pain procedures.

Dr. Chan is proficient in the following procedures:

  • Epidural injections (cervical, thoracic, lumbar)
  • Lumbar transforaminal epidural injections
  • Facet joint injection, medial branch nerve block and radio-frequency ablation (cervical, thoracic and lumbar)
  • Sacroiliac joint injection and ablation of the sacral lateral branch nerves
  • Peripheral nerves injections – lateral femoral cutaneous nerve, intercostal nerve, ilioinguinal nerve
  • Stellate ganglion and lumbar sympathetic block
  • Celiac plexus block and splanchnic nerves block
  • Spinal cord stimulator lead placement and pulse generator implantation
  • Peripheral neurostimulator implantation for occipital headaches
  • Intrathecal drug delivery pump implantation (baclofen, morphine & ziconitide) and management
  • Kyphoplasty for vertebral body osteoporotic fractures
  • Joint injections – shoulder, hip, knee
  • Bursa injections – sub-acromial, trochanter
  • Superior hypogastric block for chronic pelvic pain
Emad Wasif, MD

Emad Wasif, MD

Dr. Wasif joins Oklahoma Pain and Wellness Center from Harvard Medical School, Boston, MA. He was also appointed as Assistant Professor at Tufts University School of Medicine. He practiced interventional pain medicine and anesthesiology at the Brigham & Women Faulkner Hospital and Brigham & Women Hospital. He completed his interventional pain medicine fellowship at the combined Harvard pain program (Brigham & Women Hospital, Beth Israel Deaconess Hospital, and Boston Children’s Hospital). He finished his anesthesiology training at Rush University Medical Center, Chicago, IL. He completed two years of surgical training at Vanderbilt University Medical Center, Nashville, TN and Yale University Medical Center, New Haven, CT. He also had primary care training at Akron General Medical Center, Akron, OH. Dr. Wasif has two board certifications in Anesthesiology and in Pain Medicine by the American Board of Anesthesiology.

He graduated summa cum laude from Faculty of Medicine at Ain Shams University, Cairo, Egypt. After his internship year, he was granted a post-doctoral research fellowship at Emory Spine Center, Atlanta, GA. His extensive research on degenerative disc disease is internationally recognized through winning the distinguished award from International Society of Study of Lumbar Spine, Porto, Portugal.

Dr. Wasif has unique expertise in pediatric and cancer pain management. His interests include Interventional spine procedures, neuromodulation, kyphoplasty, ultrasound guided nerve blocks, Botox injection and headache. Dr. Wasif is bringing all these skills to serve patients at Oklahoma Pain and Wellness Center.

Dr. Wasif is married and has three children. He enjoys outdoors activities with his family in addition to international travel.

Sudhir Daftary, MD

Sudhir Daftary, MD

Dr. Sudhir Daftary is an Anesthesiologist and Pain Management specialist that has been in practice for over 40 years. He received medical training at Shri M.P. Shah Medical College. Dr. Daftary was the Medical Director of the Department of Anesthesiology at St. Francis Hospital in Pennsylvania. Following that, he directly managed the Department of Anesthesiology and Pain Clinic at Jameson Health System in Pennsylvania. He was President of the Medical/Dental Staff, Secretary/Treasurer for the Medical/Dental staff, Co-chairman for the Medical Interdisciplinary Council, Steering Committee, Review Committee, Pioneer and only Lawrence Country physician performing Spinal Cord Nerve Stimulators and long term spinal epidural catheters for pain management. Dr. Daftary directly managed Three Rivers Surgery Center in Muskogee, with 300 acute care beds and an annual approximation of 8,000 surgical procedures and over 1,000 pain management procedures. He was responsible for compiling and formulating policies and procedures. He was responsible for continuing medical education for CRNAs, Critical Care nurses and all other professionals in the hospital. He is responsible for implementing Acute and Chronic Pain Management.

Jayen Patel, MD

Jayen Patel, MD

Dr. Patel is a graduate of Boston University, School of Medicine.  He was awarded his MD after completing his pre-clinical education with the faculty of Boston University and clinical rotations at Boston Medical Center.  In his final year there, he expanded his clinical activities to include medical missions in Kenya and Peru.

Dr. Patel continued his training at Mt Sinai School of Medicine in Manhattan, NY where he completed a year of General Surgery training.  He furthered his specialization in Anesthesiology at New York University and is Board Certified in Anesthesiology through the American Board of Anesthesiology.  Dr. Patel’s specific interests lie in Ultrasound guided nerve blocks, pain management, neuromodulation and headache treatments. He is one of very few physicians that performs neuromodulation implants for headaches and chronic migraines.

Dr. Patel started his professional career at Boston University where he earned a degree as Bachelor of Arts in Biology—Summa Cum Laude.  For his research in mammalian neuroendocrinology, he was awarded the distinguished Howard Hughes fellowship award for independent research which led to a senior thesis concerning the hormonal effects on the brain that predict behavior.  That research awarded Dr. Patel a distinction in biological Sciences by Boston University and was named class speaker.

Dr. Patel is a native of Kenya and is at ease speaking Kiswahili and Gujarati.  His interests beyond medicine lie in photography, painting, scuba diving, golf and travel.

William Yarborough, MD FACP FASAM

William Yarborough, MD FACP FASAM

Dr. Yarborough graduated from OUHSC, in OKC, in 1977, with honors. He completed an Internal Medicine residency at the OU program in Tulsa, in 1980. From 1982-1989, he served as the Director of Emergency Services, at Hillcrest Medical Center. Dr. Yarborough joined the faculty of the OU Medical School in Tulsa, in 1991, and retired from OU with 25 years of service as a Professor of Medicine. While at OU, in Tulsa, he worked in different capacities, including Executive Vice Chair of Medicine, for several years, and for 22 years was the Director of the 4 th year ambulatory medicine course. He functioned as Medical Director of the Internal Medicine clinics, for 19 years, as well. In 1995, Dr. Yarborough became Medical Director of 12 & 12 Drug and Alcohol treatment center, and served in that capacity for 20 years. He had a major interest in pain management, as well as addiction medicine from 1995 till the present. He has taught both of these subject widely, focusing on curricula for primary care physicians. He won multiple teaching awards during his tenure. Dr Yarborough has done research and is published in the area of medically assisted treatments for addiction, as well as addiction issues in professionals.

Dr. Yarborough is certified by the American Board of Internal Medicine, the American Board of Addiction Medicine, and is a certified Diplomate of the American Academy of Pain Management. He is also a Fellow of the American College of Physicians, as well as a Fellow of the American Society of Addiction Medicine. His major clinical interest is assessing and treating patients with addiction issues, managing pain in this group of patients, as well as the use of buprenorphine in treating pain.

Bryan A. Van Doren, MD FASAM

Bryan A. Van Doren, MD FASAM

Dr. Bryan Van Doren is an Addiction Medicine specialist at the Oklahoma Pain & Wellness Center in Tulsa.  Dr. Van Doren received his B.S. degrees in Chemistry and Biology at Newman College in Wichita, KS where he graduated Magna Cum Laude.  He received his M.D. degree from the University Of Kansas School Of Medicine in Kansas City, KS.  Dr. Van Doren completed his Internal Medicine Residency and a Fellowship in Medical Oncology & Hematology at the University of Oklahoma Health Sciences Center in Oklahoma City, OK.  Following graduation from Fellowship training Dr. Van Doren worked as a Medical Oncologist & Hematologist in private practice in Oklahoma.  After a 15-year career as a Medical Oncologist & Hematologist Dr. Van Doren decided to pursue his longstanding interest and experience with chemical dependency.  He completed Addiction Medicine Fellowship training at the University Of Oklahoma College Of Medicine-Tulsa and is a Diplomate of the American Board of Addiction Medicine. He served as Assistant Professor of Internal Medicine and Addiction Medicine at University of Oklahoma prior to moving into private practice at the Oklahoma Pain & Wellness Center.

Samuel Amen, MD

Dr. Samuel Amen is an Addiction Medicine Specialist in Tulsa, Oklahoma. He graduated with honors from University Of Oklahoma College Of Medicine in 2003. Having more than 13 years of diverse experiences, especially in Addiction Medicine and Internal Medicine.