Dr. Nitin Gupta, DO
Internist
1690 Meade Street
Denver, CO 80204
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Availability last updated 10/27/2025
Dr. Nitin Gupta, DO
Internist
1690 Meade Street
Denver, CO 80204
The Center for Multisystem Disease in Denver specializes in disorders that affect multiple body systems. These diseases often cause such complex symptoms that patients spend years going from one doctor to the next, without ever obtaining an accurate diagnosis because their problem doesn’t fit neatly into a traditional medical specialty.
Jill Schofield, MD founded the Center for Multisystem Disease to provide comprehensive care to patients with conditions such as dysautonomia, mast cell activation syndrome, antiphospholipid syndrome, Sjögren’s syndrome, and celiac disease. Some of the patients suffering from these disorders also have Ehlers-Danlos syndrome which causes additional struggles. She specializes in immune-mediated disorders that are confounding due to bodywide symptoms, devoting extra time to each patient so she can identify the issues causing their symptoms. She was the recipient of the 2019 Dysautonomia Support Network’s Game Changer Award for her work in the use of IVIG to treat patients with autoimmune forms of dysautonomia.
At the Center for Multisystem Disease, you’ll receive compassionate care that includes not just medication, but support for lifestyle changes that are important for many patients suffering from these disorders. This includes dietary counseling, help with stress reduction, and learning the best ways to exercise to maintain well-being without aggravating your condition.
If you’ve ever felt like no one understands your illness, or worse, if you’ve been told there’s nothing wrong with you or your symptoms are all in your head, you’re not alone. You’ll find a community that welcomes you at the Center for Multisystem Disease. You’ll meet other patients who suffer from the same condition and who understand your struggle.
Your symptoms will never be discounted at the Center for Multisystem Disease. Their goal is to define your underlying disorder or disorders and to provide customized treatment targeted to the root of the problem, rather than just “band-aid” treatments targeted to each symptom. If you have questions or would like to schedule an appointment, call the office or book an intake appointment online.
Dr. Jill Schofield, MD
Internist
8101 East Lowry Boulevard
Suite 250
Denver, CO 80230
Ermin Kreso, MD
Internist
496 S Dayton St Ste C
Denver, CO 80247
Dr Nora Muakkassa, MD
Ophthalmologist
1411 S. Potomac St
#440
Aurora, CO 80012
Medical School: Midwestern University, Chicago College of Osteopathic Medicine – Downers Grove, IL
Internal Medicine: Rush University Medical Center – Chicago, IL
Diagnostic Radiology: University Hospitals Cleveland Medical Center – Cleveland, OH
Neuroradiology: Barrow Neurological Institute – Phoenix, AZ
American Board of Radiology 2021
Dr. John Anderson, DO
Radiologist
1400 S Potomac St
Suite 180, Across from The Medical Center of Aurora
Aurora, CO 80012
Medical School: Tufts University School of Medicine – Boston, MA
Internal Medicine: Newton Wellesley Hospital – Boston, MA
Diagnostic Radiology: Virginia Mason Franciscan Health – Seattle, WA
Abdominal Imaging & Intervention: Brigham & Women’s Hospital – Boston, MA
American Board of Radiology 2016
Dr. Shane Morris, MD
Radiologist
1400 S Potomac St
Suite 180, Across from The Medical Center of Aurora
Aurora, CO 80012
Medical School: University of Texas Medical School at Houston, Houston,TX
Internal Medicine: Texas A&M University Health Science Center – Scott & White Hospital, Temple, TX
Diagnostic Radiology: University of Texas Health Science Center at Houston, Houston, TX
Cardiothoracic Radiology: National Jewish Health/University of Colorado, Denver, CO
American Board of Radiology 2015
John Richards, MD
Radiologist
1400 S Potomac St
Suite 180, Across from The Medical Center of Aurora
Aurora, CO 80012
Medical School: University of Texas Medical School at Houston, Houston,TX
Internal Medicine: Texas A&M University Health Science Center – Scott & White Hospital, Temple, TX
Diagnostic Radiology: University of Texas Health Science Center at Houston, Houston, TX
Cardiothoracic Radiology: National Jewish Health/University of Colorado, Denver, CO
American Board of Radiology 2015
John Richards, MD
Radiologist
400 Indiana St
Suite 120 and 130, Red Rocks Medical Building
Golden, CO 80401
Medical School: Midwestern University, Chicago College of Osteopathic Medicine – Downers Grove, IL
Internal Medicine: Rush University Medical Center – Chicago, IL
Diagnostic Radiology: University Hospitals Cleveland Medical Center – Cleveland, OH
Neuroradiology: Barrow Neurological Institute – Phoenix, AZ
American Board of Radiology 2021
Dr. John Anderson, DO
Radiologist
400 Indiana St
Suite 120 and 130, Red Rocks Medical Building
Golden, CO 80401
Medical School: Tufts University School of Medicine – Boston, MA
Internal Medicine: Newton Wellesley Hospital – Boston, MA
Diagnostic Radiology: Virginia Mason Franciscan Health – Seattle, WA
Abdominal Imaging & Intervention: Brigham & Women’s Hospital – Boston, MA
American Board of Radiology 2016
Dr. Shane Morris, MD
Radiologist
400 Indiana St
Suite 120 and 130, Red Rocks Medical Building
Golden, CO 80401
Ida Rastegar graduated from Yale University and earned her M.D. at Emory University in Atlanta. She completed her residency in obstetrics and gynecology and went on to join the faculty at UCLA for several years. After moving to Boulder, CO with her husband and three children, she took on the role of office manager for Rinnova. She is excited about some of the newer treatments at Rinnova such as Cellfina cellulite treatment and Halo. With her experience in OB/GYN she is thrilled to introduce patients to the newest vaginal rejuvenation treatment offered, diVa. When she is not at Rinnova, she spends time with her children and her Yorkie, Nutmeg. She loves yoga, cooking, and exploring new restaurants around town.
Dr. Ida Rastegar, MD
OB-GYN
2600 30th St
Suite 100
Boulder, CO 80301
Medical School: Midwestern University, Chicago College of Osteopathic Medicine – Downers Grove, IL
Internal Medicine: Rush University Medical Center – Chicago, IL
Diagnostic Radiology: University Hospitals Cleveland Medical Center – Cleveland, OH
Neuroradiology: Barrow Neurological Institute – Phoenix, AZ
American Board of Radiology 2021
Dr. John Anderson, DO
Radiologist
701 E Hampden Ave.
Suite #100 - Sarah Cannon Cancer Pavilion
Englewood, CO 80113
Medical School: Tufts University School of Medicine – Boston, MA
Internal Medicine: Newton Wellesley Hospital – Boston, MA
Diagnostic Radiology: Virginia Mason Franciscan Health – Seattle, WA
Abdominal Imaging & Intervention: Brigham & Women’s Hospital – Boston, MA
American Board of Radiology 2016
Dr. Shane Morris, MD
Radiologist
701 E Hampden Ave.
Suite #100 - Sarah Cannon Cancer Pavilion
Englewood, CO 80113
Medical School: University of Texas Medical School at Houston, Houston,TX
Internal Medicine: Texas A&M University Health Science Center – Scott & White Hospital, Temple, TX
Diagnostic Radiology: University of Texas Health Science Center at Houston, Houston, TX
Cardiothoracic Radiology: National Jewish Health/University of Colorado, Denver, CO
American Board of Radiology 2015
John Richards, MD
Radiologist
701 E Hampden Ave.
Suite #100 - Sarah Cannon Cancer Pavilion
Englewood, CO 80113
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.
Dr. Ian Kaminsky, MD
Radiologist
499 East Hampden Ave
Suite 380
Englewood, CO 80113
Dr. Jordan Walker is a board certified specialist in Internal Medicine. He started his career in biomedical engineering at the University of Utah hospital working on the advanced heart failure team. This team lead him to coauthoring the prestigious United States Bridge to Transplant Trial for the Jarvik 2000 heart pump. His work as an engineer guided him to pursue a career in medicine where he completed medical school and Internal Medicine residency in Colorado.
Outside of his medical work, Dr. Walker enjoys all sports and spending time with his wife and three sons. When not attending one of sons' games, he can be found working on his pickeball serve or at a driving range attempting to add yards to his golf game.
Dr. Jordan Walker, DO
Internist
5420 South Quebec Street
Suite 100
Greenwood Village, CO 80111
I was born and raised in San Jose, California.
For my undergraduate education, I attended Santa Clara University and majored in Bioengineering. I went on to attend Touro University Nevada for medical school.
I chose Internal Medicine because I enjoy the critical thinking and problem-solving required. Working through complex cases feels a bit like being a detective, piecing together clues to arrive at the right diagnosis. I also appreciate the breadth of the field, and how it allows me to care for a wide variety of patients and conditions.
In my free time, I enjoy watching sports, going to concerts, trying new restaurants and breweries, and staying active, whether that’s going to the gym, hiking, or playing pickleball.
Matthew Piro, DO
Internist
5420 South Quebec Street
Suite 100
Greenwood Village, CO 80111
I have lived in Colorado my whole life - first Highlands Ranch and then Castle Rock. I received my undergraduate degree in Biology from CSU in Fort Collins before returning to south Denver to complete medical school here at RVU. I am passionate about making
patients feel heard and working together to help them meet their goals.
Outside of my career I spend my time with my wife Mikayla and our family and friends. You can find me rock climbing, mountain biking, or cross-country skiing. I also enjoy playing strategy board or video games, gardening, and woodworking in the garage.
Luke Mollnow, DO
Internist
5420 South Quebec Street
Suite 100
Greenwood Village, CO 80111