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Education

Medical School: University of Virginia School of Medicine – Charlottesville, VA

Residency

Interventional Radiology: Michigan Medicine – Ann Arbor, MI
Riverside Medical Center – Newport News, VA

Fellowship

Interventional Radiology: Michigan Medicine – Ann Arbor, MI

Nishant Patel, MD, MBA, is an experienced interventional radiologist working at the RIA Endovascular office in Greenwood Village, Colorado.

The son of two physicians, Dr. Patel originally studied biochemistry before graduating from the University of Virginia School of Medicine in Charlottesville, Virginia. He completed a fellowship and residency in interventional radiology at Michigan Medicine and a residency at Riverside Medical Center in Newport News, Virginia.

Dr. Patel has co-authored publications on topics including interventional radiology-operated endoscopy, interventional radiology-operated cholecystoscopy, gastroduodenal and pancreatic surgical techniques and imaging, post-operative colon and urinary diversion surgical techniques and imaging, imaging of presacral masses, and endovascular thrombolysis for extremity frostbite.

Among his honors and awards, Dr. Patel is the recipient of the American College of Radiology’s Radiology Leadership Summit Scholarship, the Michigan Society of Interventional Radiology Resident Research Award (First Place), and the ACR Gold Merit Award.

Today, Dr. Patel provides care for new and existing patients dealing with medical issues such as peripheral artery disease. He emphasizes the need for medical knowledge, imaging skills, and mental openness when interpreting imaging results. In his practice as an interventional radiologist, he works with clinicians in every specialization and provides direct patient care.

When not at work, Dr. Patel relaxes by playing volleyball and listening to electronic music at home or in concert.

 

Education

Medical School: University of California, Los Angeles David Geffen School of Medicine – Los Angeles, CA

Internship

Internal Medicine:  University of Nebraska Medical Center – Omaha, NE 

Residency 

Radiology: University of Nebraska Medical Center – Omaha, NE

Fellowship

Vascular and Interventional Radiology: University of New Mexico Hospital – Albuquerque, NM

  Sean Walker, MD, is a board-certified vascular and interventional radiologist in Denver, Colorado. Dr. Walker is highly trained and has more than a decade of experience caring for patients of all ages.
He earned his medical degree from the David Geffen School of Medicine at the University of California, Los Angeles, and completed an internship in internal medicine at the University of Nebraska Medical Center in Omaha. 
Dr. Walker stayed in Omaha to complete a residency in radiology at the University of Nebraska Medical Center and then relocated to Albuquerque, New Mexico, for a fellowship in vascular and interventional radiology at the University of New Mexico Hospital.
He has published an array of research in medical journals and has presented his findings at medical conventions nationwide.
Dr. Walker enjoys staying active and spending time with family and friends when he’s not at the office. 
He looks forward to maximizing patients’ quality of life and compassionately welcomes them to one of the multiple hospital sites he covers in Denver, Colorado.

Education

Medical School: University of Colorado School of Medicine – Denver, ColoradoInternshipInternal Medicine: University of Wisconsin – Madison, Wisconsin

Surgery: University of Colorado – Denver, Colorado

Residency

Diagnostic and Interventional Radiology: University of Colorado – Denver, Colorado

Fellowship

Vascular and Interventional Radiology: University of Colorado – Denver, Colorado

Board Certifications

American Board of Radiology: Interventional Radiology

American Board of Radiology: Diagnostic Radiology

 

Tyler Green, MD, is a board-certified vascular and interventional radiologist at RIA Endovascular in Greenwood Village, Colorado. Dr. Green is committed to providing outstanding care to patients seeking solutions for vascular issues and interventional radiology procedures, such as prostate artery embolization and minimally invasive vein treatments.

Dr. Green earned his medical degree from the University of Colorado School of Medicine in Denver, Colorado. He continued his medical training at the University of Wisconsin in Madison, where he completed an internal medicine internship. Dr. Green also finished a surgical internship at the University of Colorado.

Dr. Green’s dedication and passion for radiology encouraged him to return to the University of Colorado to pursue a diagnostic and interventional radiology residency. Dr. Green also completed a fellowship at the same university to refine his specialization. He has since authored numerous publications, presentations, and articles.

With two board certifications from the American Board of Radiology in interventional radiology and diagnostic radiology, Dr. Green is an invaluable asset to patients at RIA Endovascular. His dedication to ongoing learning and providing superior patient care shines through in every patient interaction. 

Dr. Green is thrilled to offer patients state-of-the-art treatments and unwavering support, ultimately improving the quality of life for those under his care.

Education

Medical School:  University of Pennsylvania – Philadelphia, PA

Internship

Transitional: St. John’s Mercy Medical Center – Creve Coeur, MO

Residency

Diagnostic Radiology: Mallinckrodt Institute of Radiology, Washington University – St. Louis, MO

Fellowship

Interventional Radiology: Medical College of Wisconsin – Milwaukee, WI

Board Certification

American Board of Radiology 2010

Certificate of Added Qualification for Vascular and Interventional Radiology 2012

  William Grande, MD, is a board-certified vascular and interventional radiologist. Dr. Grande delivers exceptional care to patients at the practice's location in Greenwood Village, Colorado. He helps those experiencing such ailments as peripheral artery disease, deep vein thrombosis (DVT), and many other conditions.

Dr. Grande earned his medical degree from the University of Pennsylvania in Philadelphia. After finishing medical school, he pursued a transitional internship at St. John's Mercy Medical Center in Creve Coeur, Missouri. His dedication to the field led him to a residency in diagnostic radiology at the Mallinckrodt Institute of Radiology, Washington University in St. Louis, Missouri. 

Dr. Grande further honed his skills through an interventional radiology fellowship at the Medical College of Wisconsin in Milwaukee.

As a leader in vascular interventional radiology, Dr. Grande has authored numerous medical articles, publications, and presentations. He achieved board certification from the American Board of Radiology nearly 15 years ago, solidifying his expertise in the field. Dr. Grande also obtained a Certificate of Added Qualification (CAQ) for Vascular and Interventional Radiology in 2012, showcasing his commitment to providing advanced patient care. 

With this impressive educational background and certifications, Dr. Grande continues to excel at RIA Endovascular. He looks forward to working with new patients and delivering personalized care through cutting-edge treatments and modern techniques.  

Education

Medical School:  Case Western Reserve University – Cleveland, OH

Residency

Diagnostic Radiology: University of Utah – Salt Lake City, UT

Fellowship

Vascular and Interventional Radiology: Medical College of  Wisconsin – Milwaukee WI

Board Certifications

Board Certified Diagnostic Radiology 2012

CAQ-Vascular and Interventional Radiology 2014

Y90 Authorized User – State of Colorado 2016

Registered Physician in Vascular Interpretation (RPVI) 2018

Greg Martin, MD, is a board-certified vascular and interventional radiologist providing exceptional care at RIA Endovascular in Greenwood Village, Colorado. Dr. Martin’s dedication to patient well-being and innovative solutions has made him an invaluable asset to the team.

Dr. Martin attended medical school at Case Western Reserve University in Cleveland, Ohio. After earning his medical degree, he undertook a rigorous residency in diagnostic radiology at the University of Utah in Salt Lake City. 

Dr. Martin’s commitment to excellence in interventional radiology encouraged him to complete a vascular and interventional radiology fellowship at the Medical College of Wisconsin in Milwaukee, further enhancing his expertise.

With multiple board certifications, including in diagnostic radiology and interventional radiology, and a Certificate of Added Qualification (CAQ) in vascular and interventional radiology, Dr. Martin is uniquely qualified to offer patients a comprehensive range of cutting-edge treatments and procedures. He is also a Y90 Authorized User in Colorado and became a Registered Physician in Vascular Interpretation (RPVI) in 2018, highlighting his dedication to staying at the forefront of his field.

Dr. Martin’s areas of expertise include complex vascular interventions, ensuring patients benefit from the latest medical advancements. His unwavering commitment to patient care, combined with his extensive education and certifications, makes him an invaluable member of the RIA Endovascular team, providing patients with exceptional medical care and innovative solutions.

 

Education

Medical School: The University of Texas Medical Branch – Galveston, TX

Internship

Transitional Medicine: St. Vincent Hospital – Indianapolis, IN

Residency

Diagnostic Radiology: Medical University of South Carolina – Charleston, SC

Fellowship

Vascular & Interventional Radiology: Johns Hopkins Hospital – Baltimore, MD

Board Certifications

American Board of Radiology 2011

American Board of Radiology  – Subspecialty certification in Vascular/Interventional Radiology 2014

Richard Coursey, MD, is a highly skilled and double board-certified vascular and interventional radiologist at RIA Endovascular. Dr. Coursey sees patients at the practice's Windsor, Colorado location.

He pursued medical school at The University of Texas Medical Branch in Galveston, Texas, followed by an internship in Transitional Medicine at St. Vincent Hospital in Indianapolis, Indiana.

He completed his residency in Diagnostic Radiology at the Medical University of South Carolina (MUSC) in Charleston and a Vascular and Interventional Radiology fellowship at The Johns Hopkins Hospital in Baltimore, Maryland.

In 2011, Dr. Coursey obtained both board certifications by the American Board of Radiology (ABR). His second certification in 2014 includes a subspecialty certification in Vascular/Interventional Radiology.

In addition, he has contributed to several publications and presentations, including:

• Coursey RL Jr., Jones EA, Chaljub G, Bertolino PD, Cano O, Swischuk LE. “Prospective Analysis Of Uncomplicated Bone Bruises In The Pediatric Knee. Emergency Radiology. 2006 Sep;12(6):266-71.
• Vascular/Interventional Radiology, Then and Now. North Dakota Society of Radiologic Technologists. April 2013.
• Interventional Oncology and TheraSphere Therapy. Cassling Seminar, ND. April 2014.
• Biochemistry/Molecular Cell Biology, Baylor College of Medicine; Abstract: Transfer Vector for the Expression of Human Acetyl-CoA Carboxylase 2 (ACC2) in vivo. Poster presentation. 225th American Chemical Society National Meeting, New Orleans, LA. 2002.

Dr. Coursey is passionate about educating people on what your interventionist can do for them. He warmly welcomes all patients into RIA Endovascular and looks forward to serving you.

Education

Medical School:  University of Chicago Pritzker School of Medicine – Chicago, IL

MBA: University of Chicago Graduate School of Business – Chicago, IL
Internship

Transitional: Resurrection Hospital – Chicago, IL

Residency

Diagnostic Radiology: University of Washington Medicine – Seattle, WA

Fellowship

Interventional Radiology: University of Washington Medicine – Seattle, WA

Board Certification

American Board of Radiology 2010

Peter Stratil, MD, MBA, practices as a vascular interventional radiologist from the RIA Endovascular location in Greenwood Village, Colorado. Dr. Stratil performs minimally invasive procedures, treating conditions like cancer and vascular disease.

Dr. Stratil earned his medical degree from the University of Chicago Pritzker School of Medicine in Chicago, Illinois, and his MBA from the University of Chicago Graduate School of Business. In addition to interpreting radiology studies, he is also skilled in business development for radiology practice.

After a transitional internship at Resurrection Hospital in Chicago, Illinois, Dr. Stratil completed a residency in diagnostic radiology and a fellowship in interventional radiology at the University of Washington Medicine in Seattle.

Dr. Stratil is board-certified by the American Board of Radiology. He has co-authored publications on embolotherapy for visceral trauma, vascular imaging, pediatric radiology, and giant cell tumors. He has also presented on the business of radiology before the Association of University Radiologists.

Richard M. Young, MD, is a highly trained neurosurgeon with the team at Inland Neurosurgery Institute (INI) in Pomona and Arcadia, California. 

Dr. Young was born in Taiwan and came to the United States at an early age. His grandmother always predicted that he would be a doctor. Since the age of 3, he would hold her head when she had a migraine and would say, “When I get older, I will take care of you.”

Excelling in science and math, he went to college as an electrical engineering major at UC San Diego. However, his calling into medicine resulted in him graduating cum laude in biochemistry and cell biology. He continued his journey into medical school at New York Medical College in Valhalla, New York, where he discovered his passion for neurosurgery.

This passion derived from a pivotal case during medical school, where a patient was in a coma from a ruptured brain aneurysm. That same patient recovered weeks later from the brain bleed and surgery. “To have the ability to save a person’s life…that’s what I want to do.”

He completed his neurosurgical training at The George Washington University (GWU) in Washington, DC. During his training, he also spent a year as a research fellow at the National Institute of Health (NIH) – NINDS – Medical Division. After completing his residency at GWU, he came back to the west coast to UCLA for a two-year neurointerventional/neuroendovascular surgery CAST certified fellowship.

Not only has he written many articles, book chapters, poster presentations, and a journal cover for JNS-Spine, but he was also awarded the Bannister Award both for the fastest treatment time of removing a blood clot in the brain during his fellowship at UCLA. 

“Everyone knows how important the brain is, and if damage occurs to the brain, it can be devastating to that person and their family. To me, I do not see a patient but rather another human being that I am trying to help get better, like my grandmother. The reason I joined the group of neurosurgeons at Inland Neurosurgery Institute is that my colleagues share the same vision for helping people.”

During his free time, Dr. Young enjoys spending time with his family, cooking, running, and swimming.

 

EDUCATION

• 2016 – 2018: Interventional Neuroradiology Fellowship, University of California, Los Angeles Medical Center
• – 2016: Resident – Neurological Surgery, George Washington University Hospital
• 2013 – 2014: Research Fellow, National Institute of Health – NINDS
• 2009 – 2010: Intern – Neurological Surgery, George Washington University Hospital
• 2005 – 2009: Doctor of Medicine, New York Medical College
• 2001 – 2005: Bachelor of Science, University of California, San Diego – Revelle College

ASSOCIATIONS & MEMBERSHIPS

• American Association of Neurological Surgeons – Resident/Fellow member
• Congress of Neurological Surgeons – Resident/Fellow member
• North American Spine Society – Resident/Fellow member
• Phi Delta Epsilon Omicron Chapter – Colony Coordinator/Founder 2005-2006
• New York Medical College Student Senate – 1st year senator 2005-2006
• American Medical Association – Chapter Vice-President 2006-2007
• American Medical Students Association – Chapter Treasurer 2006-2007
• Gold Humanism Honor Society – Member – 2013-current

ARTICLES & JOURNALS

• Young RM, Leiphart JW, Shields DC, Caputy AJ. “Anterior cervical fusion versus minimally invasive posterior keyhole decompression for cervical radiculopathy.” Interdisciplinary Neurosurgery: Advanced Techniques and Case Management 2(4):169-176. Dec 2015. DOI: http://dx.doi.org/10.1016/j.inat.2015.08.002
• Young RM, Shafa J, Myseros JS. “The Chiari 3 malformation and Systematic Review of Literature.” Pediatr Neurosurg 50(5):235-242, Oct 2015. DOI: 10.1159/000438487
• Young RM, Sherman JH. “Necessity for Intra-operative Magnetic Resonance Imaging for Glioma Resection.” World Neurosurg. Jul 2015. DOI: 10.1016/j.wneu.2015.07.023
• Young RM, Jamshidi A, Davis G, Sherman JH. “Current Trends in the Surgical Management and Treatment of Adult Glioblastoma.” Ann Transl Med 3(9):121. June 2015. DOI: 10.3978/j.issn.2305-5839.2015.05.10
• Young RM, Vyas N. “Extracranial-Intracranial Bypass for Takayasu’s Arteritis: A Case report.” Interdisciplinary Neurosurgery. Interdisciplinary Neurosurgery 1(4), 112-114. Dec 2014. DOI: http://dx.doi.org/10.1016/j.inat.2014.10.001
• Young RM, Sherman J, Wind JJ, Litvack Z, Obrien J. “Treatment of Craniocervical Instability from a Posterior-Only Approach.” J Neurosurg Spine 21(2): 239-248. Aug 2014. DOI: 10.3171/2014.3.SPINE13684
• Young RM, Prasad V, Wind JJ, Olan W, Caputy AJ. “Novel Technique for Preoperative Pedicle Localization in Spinal Surgery with Challenging Anatomy: Technical Note.” J Neurosurg Spine 20(4): 400-403. Apr 2014. DOI: 10.3171/2013.12.SPINE13477.
• Leiphart, JW, Young RM, Shields, DC. “A Historical Perspective: Stereotactic Lesions for the Treatment of Epilepsy.” Seizure 23(1): 1-5. Jan 2014. DOI: 10.1016/j.seizure.2013.10.006
• Wind JJ, Young R, Saini A, Sherman JH. “The role of adjuvant radiation therapy in the management of high-grade gliomas.” Neurosurgery Clinics of North America. 23(2):247-58. April 2012. DOI: 10.1016/j.nec.2012.01.001
• Krishnan US, Taneja I, Gewitz M, Young R, Stewart J. “Peripheral Vascular Adaptation and Orthostatic Tolerance in Fontan Physiology.” Circulation. 2009 Nov 3;120(18):1775-83. DOI: 10.1161/CIRCULATIONAHA.109.854331

Catherine Peterson, MD, is an endovascular-trained neurosurgeon with advanced expertise in minimally invasive brain and spine procedures. At Inland Neurosurgery Institute, a practice with locations in Pomona and Arcadia, California, Dr. Peterson brings a deep commitment to patient-centered care and innovative neurovascular treatment strategies.

Originally from Moldova, Dr. Peterson immigrated to the U.S. in childhood, where she cultivated a strong work ethic and passion for medicine. She earned her Bachelor of Science in Biology with magna cum laude honors from Purdue and her medical degree from Indiana University School of Medicine. She completed her neurosurgery residency at UC Davis and Detroit Medical Center, followed by a competitive endovascular neurosurgery fellowship at UCLA.

Dr. Peterson specializes in both cranial and spinal neurosurgery, with a particular focus on treating stroke, aneurysms, and complex neurovascular conditions through catheter-based techniques. Her research, including multiple peer-reviewed publications and national presentations, centers on improving outcomes in stroke care and understanding cognitive recovery following brain hemorrhage.
Recognized for her academic excellence and compassionate approach, 

Dr. Peterson received the James E. Boggan Award for Scholarly Excellence twice. She believes in a personalized, respectful approach to neurosurgical care and stays active in the field through membership in organizations like the AANS, CNS, and SNIS.

Outside the operating room, Dr. Peterson enjoys gardening, traveling, and spending time with her family in California’s outdoors.

Dr. Theodore K. Yang received his undergraduate degree at The University of Texas at Austin in physics and went on to work as a medical physicist before attending medical school. He received his medical degree and completed residency training in radiation oncology at The University of Texas Medical Branch at Galveston (UTMB).

He then joined the UTMB faculty specializing in head and neck therapy and brachytherapy. Board certified in therapeutic radiology, Dr. Yang has practiced radiation oncology Houston since 1984.

Dr. Yang is a member of professional medical societies, including the Harris County Medical Society, Texas Medical Association, American Medical Association, ASTRO (American Society for Therapeutic Radiology and Oncology) and CADAH (Chinese American Doctors Association of Houston). 

Nimi Tuamokumo, MD MPH graduated cum laude from Princeton University with a Bachelor of Arts degree in the Psychology. She received her M.D. from Yale University School of Medicine in New Haven, CT and her MPH degree from Harvard School of Public Health.

Dr. Tuamokumo completed an internship in the Department of Medicine at Mount Auburn Hospital in Cambridge, MA and a residency in Radiation Oncology at the Harvard Radiation Oncology Program. Dr. Tuamokumo specializes in Intensity Modulated Radiation Therapy (IMRT), Image Guided Radiation Therapy (IGRT), Stereotactic Body Radiation Therapy (SBRT).

She is experienced in treating all types of malignancies. Dr. Tuamokumo has been with GHRO since completion of her residency in 2008. She has received many awards, including the National Institutes of Health Careers in Medicine Fellowship, American Cancer Society Outstanding Thesis Award, New England Cancer Society’s Daland Resident Award, NIH Cancer Education Grant, Etta S. Chidsey Award in Cancer Research.

Dr. Tuamokumo has published articles and given presentations on a range of topics including breast cancer, prostate cancer, pediatric cancer, and gastric cancer. She is a member of the Texas Medical Association, the American Society of Clinical Oncology, and the American Society for Therapeutic Radiology and Oncology.