LOCAL HEALTHCARE PROVIDERS
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28 providers
Availability last updated 05/06/2025
Mark Menich, MD, is an experienced physician at Denver Allergy & Asthma Associates in Boulder, Lakewood, Westminster, Denver, Littleton, and Arvada, Colorado. At the practice, he provides complete allergy and immunology consultations and management for patients of all ages.
Dr. Menich earned his Bachelor of Arts in History and a doctoral degree from the University of Illinois in Chicago. He then completed his internal medicine residency and allergy and immunology fellowship at Walter Reed Army Medical Center in Washington, DC.
Dr. Menich has board certifications from the American Board of Allergy and Immunology and the American Board of Internal Medicine. He is a fellow of the American Academy of Allergy, Asthma, and Immunology and the American College of Allergy, Asthma, and Immunology. Dr. Menich is also a member of the International Society of Travel Medicine and the Colorado Allergy and Asthma Society.
At Denver Allergy & Asthma Associates, Dr. Menich offers various services to improve his patient's health and well-being.
Dr. Mark Menich, MD
Allergist
3950 Broadway
Boulder, CO 80304
Charles Kopel, MD
Internist
2584 Reserve St
Erie, CO 80516
Mark Menich, MD, is an experienced physician at Denver Allergy & Asthma Associates in Boulder, Lakewood, Westminster, Denver, Littleton, and Arvada, Colorado. At the practice, he provides complete allergy and immunology consultations and management for patients of all ages.
Dr. Menich earned his Bachelor of Arts in History and a doctoral degree from the University of Illinois in Chicago. He then completed his internal medicine residency and allergy and immunology fellowship at Walter Reed Army Medical Center in Washington, DC.
Dr. Menich has board certifications from the American Board of Allergy and Immunology and the American Board of Internal Medicine. He is a fellow of the American Academy of Allergy, Asthma, and Immunology and the American College of Allergy, Asthma, and Immunology. Dr. Menich is also a member of the International Society of Travel Medicine and the Colorado Allergy and Asthma Society.
At Denver Allergy & Asthma Associates, Dr. Menich offers various services to improve his patient's health and well-being.
Dr. Mark Menich, MD
Allergist
12000 North Pecos St
Suite 250
Westminster, CO 80234
Mark Menich, MD, is an experienced physician at Denver Allergy & Asthma Associates in Boulder, Lakewood, Westminster, Denver, Littleton, and Arvada, Colorado. At the practice, he provides complete allergy and immunology consultations and management for patients of all ages.
Dr. Menich earned his Bachelor of Arts in History and a doctoral degree from the University of Illinois in Chicago. He then completed his internal medicine residency and allergy and immunology fellowship at Walter Reed Army Medical Center in Washington, DC.
Dr. Menich has board certifications from the American Board of Allergy and Immunology and the American Board of Internal Medicine. He is a fellow of the American Academy of Allergy, Asthma, and Immunology and the American College of Allergy, Asthma, and Immunology. Dr. Menich is also a member of the International Society of Travel Medicine and the Colorado Allergy and Asthma Society.
At Denver Allergy & Asthma Associates, Dr. Menich offers various services to improve his patient's health and well-being.
Dr. Mark Menich, MD
Allergist
9950 80th Ave
Suite 14
Arvada, CO 80003
Desi Penington, MD
Internist
7160 Irving Street
Westminster, CO 80030
Daniel Witten, MD, FACP is a board-certified internal medicine physician at Ninth Avenue Internal Medicine in Denver, with over 23 years of professional experience. Dr. Witten graduated cum laude from Vilnius University Medical School and completed his internal medicine internship at the State University of New York and internal medicine and primary care residency at the University of Colorado Health Science Center in Denver. He practiced at Rose Medical Center and founded the Ninth Avenue Internal Medicine Practice in 2003.
For the compassionate, premium care Dr. Witten provides to every patient, Denver Magazine has awarded him a “Five Star Doctor” rating. He has also received the Vitals.com Patients' Choice Award and has worked as an NBA physician for the Denver Nuggets. Dr. Witten has actively participated with the local medical charity Operation Walk Denver and traveled with the medical charities to Nicaragua, Panama, Peru, Guatemala, Honduras and across Latin and Central America. American College of Physicians awarded Dr. Witten with the Fellows rank, one of their highest academic recognition. Dr. Witten serves on the Board of Denver Medical Society and to Rose Medical Hospital Pharmaceuticals and Nutrition Committee.
Diabetes, hypertension, migraines, thyroid disorders, high cholesterol, heart disease, various digestive disorders, attention deficit disorder, depression, anxiety and neurological conditions are just some of the health conditions Dr. Witten is uniquely qualified to treat. He always recommends the least invasive, most innovative treatment first, uses cost saving technology and medications and catches disease symptoms early before serious health problems arise. Patients enjoy his humor and friendly bedside approach.
In his free time, Dr. Witten enjoys the Argentine tango, skiing, traveling and spending time with his son. He is also fluent in Lithuanian and is currently accepting new patients.
Dr. Daniel Witten, MD
Internist
4500 East 9th Avenue
Suite 140
Denver, CO 80220
With 24 years of experience, Dr. Igor Borisov is a board-certified internal medicine specialist at Ninth Avenue Internal Medicine in Denver. Dr. Borisov earned his medical degree from Vilnius University Medical School and completed his residency in internal medicine at Good Samaritan Hospital in Cincinnati.
As an internal medicine physician, Dr. Borisov treats patients with a variety of acute and chronic health conditions, such as hypertension, asthma, diabetes, depression and more. Dr. Borisov gives each patient the time and premium care they deserve, catching and treating diseases early before they become serious. He also works with patients to find up-to-date treatment plans that they’re comfortable with and that address their unique needs.
Dr. Borisov combines top-notch education with years of experience to make each patient visit unforgettable. He also speaks fluent Lithuanian, and he’s currently accepting new patients.
Dr. Igor Borisov, MD
Internist
4500 East 9th Avenue
Suite 140
Denver, CO 80220
Medical School: University of Minnesota Medical School – Minneapolis, MN
Internal Medicine: Gundersen Lutheran – La Crosse, WI
Diagnostic Radiology: Mayo Clinic – Rochester, MN
Interventional Radiology: Johns Hopkins Medicine – Baltimore, MD
American Board of Radiology 2018
Allen Swanson, MD, works as a vascular and interventional radiologist at RIA Endovascular. Dr. Swanson sees patients at the office in Windsor, Colorado.
As a college student, Dr. Swanson became interested in the link between mind and body after taking courses in genetics and psychology. He completed premed courses and a degree in psychology at Northwestern University in Evanston, Illinois. He attended the University of Minnesota Medical School, where he studied radiology and graduated with his medical degree.
Dr. Swanson completed an internship in internal medicine at Gundersen Lutheran in La Crosse, Wisconsin, and a diagnostic radiology residency at the Mayo Clinic in Rochester, Minneapolis. He then did a fellowship in interventional radiology at Johns Hopkins Medicine of Baltimore, Maryland.
Board certified by the American Board of Radiology, Dr. Swanson has co-authored and published articles on current radiology techniques, global practice, and humanitarian teleradiology.
At RIA Endovascular, Dr. Swanson utilizes his background in imaging to perform minimally invasive procedures. His techniques avoid many risks of surgery and are an option for patients who can’t have surgery. He collaborates with other physicians, nurses, and technicians to maintain a high standard of patient care.
Dr. Swanson travels for international medical volunteering and spends time with his family in the beauty of Colorado’s natural parks.
Dr. Allen Swanson, DO
Internist
1220 W Ash St
Suite B
Windsor, CO 80550
Medical School: Pennsylvania State University College of Medicine – Hershey, PA
Internal Medicine: Pennsylvania State University College of Medicine – Hershey, PA
Milton S. Hershey Medical Center – Hershey, PA
Interventional Radiology: Mayo Clinic Hospital – Jacksonville, FL
Ray Bradford, MD, is a board-certified vascular and interventional radiologist in Northern Colorado. Dr. Bradford sees patients at RIA Endovascular in Windsor, Colorado.
He pursued medical school at the Pennsylvania State University College of Medicine in Hershey, Pennsylvania, followed by an internship in Internal Medicine also at the Pennsylvania State University College of Medicine, and his residency at Milton S. Hershey Medical Center also in Hershey.
He completed his fellowship in Interventional Radiology at the Mayo Clinic Hospital in Jacksonville, Florida.
Dr. Bradford has contributed to many presentations and publications, including:
At present, Dr. Bradford is devoted to providing all his patients with high-quality, compassionate, and individualized care at RIA Endovascular.
Dr. Ray Bradford, MD
Radiologist
1220 W Ash St
Suite B
Windsor, CO 80550
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
Dr. Brewington grew up in California and completed her medical training on the east coast, but has considered Colorado her home since moving here in 2003. Following residency, she opened her own clinic in Ft. Collins and later joined a small private practice, where she cared for patients until her youngest son was born. She then stayed home to focus on raising her two boys before relocating to Boulder County, and joined Westmed in 2017. Her favorite activities outside of clinic include reading, crafts, hiking, and doing just about anything with family.
"My professional (and personal) mission is to nurture people towards wholeness of body, mind, soul, and spirit, so they can fully engage their lives. I believe in the healingpower of connection and enjoy cultivating long-term, collaborative relationships with patients in the context of their family, community, and environment. I’m committed to engaging with patients so that they are empowered with the knowledge, skills, confidence and motivation to overcome barriers and pursue their greatest potential for health and well-being.”
Education
Undergraduate: California Institute of Technology
Medical School
Dartmouth Medical School (now Geisel School of Medicine)
Residency: New Hampshire-Dartmouth Family Practice Residency
Board Certifications/Associations
American Board of Family Medicine
American Academy of Family Physicians
Alpha Omega Alpha Honor Medical Society
Dr. Flora Brewington, MD
Family Physician
12201 Pecos St.
Suite 500
Westminster, CO 80234
Michael K. Cavanagh, MD joined Westmed Family HealthCare. He has a special interest in Sports Medicine and Wilderness Medicine. He is Board Certified. During his leisure time, Dr. Cavanagh enjoys running, cycling and snowboarding. Originally from Connecticut, he is married with two children.
"My primary goal as a physician is excellence in the care I provide. My philosophy is to treat my patients as a whole person, not just treating an illness.”
Specialty: Family Practice
In practice at WMFH: 1996
Education
Undergraduate: Drake University 1983 -1986
Medical School
University of Iowa 1990 -1993
Residency: University of Connecticut 1993 -1996
Board Certifications/Associations
American Board of Family Physicians, Board Certified 1993
American Academy of Family Physicians
Dr. Michael Cavanagh, MD
Family Physician
12201 Pecos St.
Suite 500
Westminster, CO 80234
Julie Kim, MD
Internist
9760 East 63rd Drive
Denver, CO 80238
Pradeep Raj Rai, MD, FASAM, is a board-certified medical doctor and a Fellow of the American Society of Medicine. He is the medical director at Magnolia Medical Group, with locations in Denver and Wheat Ridge, Colorado, and he is board-certified in addiction medicine to offer the highest-quality care to every patient he sees.
Dr. Rai received his bachelor’s degree in cellular and molecular biology from Tulane University in New Orleans, Louisiana, before going on to earn his medical degree. After working for several years in the field of addiction medicine, he founded Magnolia Medical Group to provide the residents of Colorado with resources for addiction that combine behavioral health solutions alongside effective medical care.
Dr. Rai has experience in the many forms of addiction medicine and an unceasing dedication to making a positive impact on the lives of his clients and their families.
He welcomes anyone in need of help to Magnolia Medical Group, where they can expect comprehensive, nonjudgmental treatment in a safe and compassionate environment.
Pradeep Rai, MD
Surgeon
10160 W 50th Ave
Suite 4
Wheat Ridge, CO 80033
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
2055 N. High St
Suite 180, Presbyterian St. Luke's Medical Center
Denver, CO 80205
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
2055 N. High St
Suite 180, Presbyterian St. Luke's Medical Center
Denver, CO 80205