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Nationally Board Certified

Physician Assistant

Heather Whiting is a native of Colorado and has been fortunate to serve the community as a physician assistant and patient care advocate since 2003.

She began her pursuit of a career in medicine at the University of Northern Colorado where she earned a Bachelors and a Masters degree in Human Biology. Upon graduation, Heather worked at the University of Colorado Hospital as a Rehab Therapy Technician. She later graduated from the Physician Assistant program at Red Rocks Community College in Lakewood, Colorado with honors and earned a second Master’s degree, a Masters of Medical Science from Saint Francis University.

Heather is very passionate about medicine and believes in caring for the whole patient. She enjoys working side by side with patients striving to achieve optimal physical and emotional health. She is experienced in treating patients across a wide spectrum of disease states and ages, from adolescence to geriatrics. She has special interest in disease prevention and health promotion.

Heather loves spending time with her husband and two sons. They enjoy the beautiful Rocky Mountains, camping, hiking, biking, and snowboarding.

Education

Medical School: Loyola University Stritch School of Medicine – Chicago, IL

Internship

Internal Medicine: Exempla St. Joseph Hospital – Denver, CO

Residency

Diagnostic Radiology: University of Colorado – Aurora, CO

Fellowship

Interventional Radiology: Medical College of Wisconsin – Milwaukee, WI

Board Certification

American Board of Radiology 2016

Tony Brown, MD, is the Medical Director and a board-certified vascular and interventional radiologist specializing in pelvic stabilization and kyphoplasty at RIA Endovascular. Dr. Brown sees patients at the practice's location in Greenwood Village, Colorado.

He pursued medical school at Loyola University Stritch School of Medicine in Chicago, Illinois, followed by an internship in Internal Medicine at Exempla St. Joseph Hospital in Denver, Colorado, and a residency in Diagnostic Radiology at the University of Colorado in Aurora.

Dr. Brown completed his fellowship in Interventional Radiology at the Medical College of Wisconsin in Milwaukee. 

He has contributed to a number of publications and presentations, such as:

• Gipson MG, Smith, MT, Durham JD, Brown A, Johnson T, Ray CE Jr, Gupta RK, Kondo KL, Rochon PJ, Ryu RK. Intravascular US-Guided Portal Vein Access: Improved Procedural Metrics during TIPS Creation. Journal of Vascular and Interventional Radiology, 2016 Aug; 27(8):1140-7. PMID: 26852944
• Charles E Ray, Anthony C Brown, Tyler J Green, Helena Winston, Sara M Kreidler, Deborah H Glueck, Paul J Rochon. Survival outcomes in patients with advanced hepatocellular carcinoma treated with drug-eluting bead chemoembolization. American Journal of Roentgenology. 2015; 204: 440-447. PMID: 25615768
• Brown A, Malden E, Kugelmas M, Kortz E. Diagnosis of pancreatic duct-portal vein fistula; a case report and review of the literature. Journal of Radiology Case Reports. 2014 March; 8(3):31-38. PMID: 24967026

In 2016, Dr. Brown obtained board certification from the American Board of Radiology (ABR).

He is committed to caring for patients at RIA Endovascular and truly provides exceptional care.

Douglas Hallmark, MD, is an experienced and highly respected family medicine practitioner at Douglas Family Medicine who is delighted to be serving the population of Castle Rock, Colorado, and the surrounding areas.

Dr. Hallmark grew up in Colorado, graduating from Arapahoe High School in Centennial in 1970. He graduated magna cum laude with a degree in Chemistry from Baylor University in Waco, Texas, then pursued his medical degree at the University of Texas Medical Branch (UTMB) in Galveston. Dr. Hallmark graduated from UTMB in 1979 and practiced in East Texas for the next 10 years.

Dr. Hallmark’s life-long desire was to be a small-town family doctor who not only served his patients but developed close relationships with them. He has achieved this goal in his practice of medicine in Castle Rock for the past 20 years, providing exceptional medical care that recognizes the importance of treating every patient as a unique individual. By combining his considerable experience of primary care with the latest advancements in medicine, Dr. Hallmark is able to offer residents of Castle Rock the most up-to-date treatments available with the personal touch of hometown care.

Dr. Hallmark and his wife, Marie, have been married for over 30 years and have six children and one grandson.

Jodie Gahn-Stahley began her health-care career in 1990 as a US Fleet Marine Force Corpsman where she treated Navy and Marine Corps personnel and their families at Camp Pendleton, CA and Naval Medical Center San Diego, CA. After four years, she separated from active duty and continued her military career in the US Naval Reserves supporting Fleet Hospital 23, Field Medical Unit as a combat medical technician. 

Jodie grew up in southeastern Wisconsin and attended the University of Wisconsin- Madison for undergraduate training in 1995. While pursuing her degree, she worked as a multi-specialty medical assistant at Dean Medical Center in Madison, Wisconsin. Her physician assistant training was completed at College of Osteopathic Medicine - Des Moines University. Since then, she has been dedicated to providing quality and cost- effective health care in the South Denver Metro area. Her outpatient medical practice spans the pediatric through geriatric 

population with a focus on preventative medicine, disease management and urgent care. 

In her personal time, she and her husband, John, enjoy a multitude of outdoor adventures whether hiking in the forest or boating and fishing in Colorado's mountain lakes and streams with their two dogs Max and Elke. An aspiring home chef and foodie, Jodie is known to whip up a tasty meal for her family and friends. 

Summit Health and Pain provides comprehensive health care and pain management services in Colorado with locations in Denver, Colorado Springs, La Junta, and Pueblo. Our practice's highly skilled and compassionate providers offer outstanding care by developing strong relationships with our patients and fulfilling their needs using a multidisciplinary approach.

While our team specializes in primary care with an emphasis on interventional pain management for patients suffering from chronic pain, neuropathy, migraines, and other conditions, our primary care services are also an integral part of our philosophy.

Our primary care services include treatment and management of a wide variety of conditions including diabetes, high blood pressure, thyroid disorders, asthma, high cholesterol, and COPD.

Our primary care preventative medicine services include wellness exams for patients 7 and older and immunizations for patients 18 and older. We are able to provide resources to parents of children aged 7-18 on where to obtain the appropriate vaccinations for your child.

Summit Health and Pain’s providers also understand the importance of optimal mental health and are experienced in treating depression, anxiety, ADHD, and other mental health conditions.

Find out more about the exceptional services available at Summit Health and Pain and schedule a consultation by calling the nearest office or booking online.

We offer rapid testing and expert acute care for flu, strep, COVID-19, and other infectious diseases. We can often perform this testing for both existing and new patients with same or next-day appointments for your convenience.

We are one of the few practices in Southern Colorado who continually accept new patients with both commercial and public insurances such as Medicare, Medicaid, and HealthFirst Colorado.

For additional patient convenience, we will soon have a private lab – housed in our Colorado Springs location – which will ensure coverage of in-house lab tests, and pharmacy services are currently available in the same building as our Denver location.

Summit Health and Pain provides comprehensive health care and pain management services in Colorado with locations in Denver, Colorado Springs, La Junta, and Pueblo. Our practice's highly skilled and compassionate providers offer outstanding care by developing strong relationships with our patients and fulfilling their needs using a multidisciplinary approach.

While our team specializes in primary care with an emphasis on interventional pain management for patients suffering from chronic pain, neuropathy, migraines, and other conditions, our primary care services are also an integral part of our philosophy.

Our primary care services include treatment and management of a wide variety of conditions including diabetes, high blood pressure, thyroid disorders, asthma, high cholesterol, and COPD.

Our primary care preventative medicine services include wellness exams for patients 7 and older and immunizations for patients 18 and older. We are able to provide resources to parents of children aged 7-18 on where to obtain the appropriate vaccinations for your child.

Summit Health and Pain’s providers also understand the importance of optimal mental health and are experienced in treating depression, anxiety, ADHD, and other mental health conditions.

Find out more about the exceptional services available at Summit Health and Pain and schedule a consultation by calling the nearest office or booking online.

We offer rapid testing and expert acute care for flu, strep, COVID-19, and other infectious diseases. We can often perform this testing for both existing and new patients with same or next-day appointments for your convenience.

We are one of the few practices in Southern Colorado who continually accept new patients with both commercial and public insurances such as Medicare, Medicaid, and HealthFirst Colorado.

For additional patient convenience, we will soon have a private lab – housed in our Colorado Springs location – which will ensure coverage of in-house lab tests, and pharmacy services are currently available in the same building as our Denver location.

Dr. Analice Hoffenberg, or Dr. Ana, as she is usually tenderly called by her patients, is the Medical Director at Your Wellness Journey Center. She is Board-Certified in both Clinical General Preventive Medicine and Addiction Medicine. Dr. Hoffenberg is from Rio de Janeiro, Brazil, and speaks fluently Portuguese, Spanish and English. She graduated from Medical School at the Universidade Estadual do Rio de Janeiro, and had clinical training in Pediatrics, General Clinical Preventive Medicine and Addiction Medicine, and completed a Master in Science of Public Health, all at the University of Colorado. Dr. Ana is clinical faculty at the University of Colorado School of Medicine, where she has acquired, over decades of practice, along with years of work in the private sector, extensive experience treating addicted patients with comorbid psychiatric conditions. She is excited to now open Your Wellness Journey Center, extending her tender loving care to her new patients here.

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.

Val has over 14 years of healthcare and management experience. She spent nine years working as Practice Administrator and Billing Supervisor of a well-established Ophthalmology and Optometry practice. As Magnolia Medical Group's Director of Operations, she works closely with medical providers, counselors, psychiatrists, laboratory staff, medical assistants, and clinic administration staff to consistently develop and nurture a clinic atmosphere that is beneficial and conducive to helping those in recovery. Val has been with Magnolia Medical Group since May of 2021.

Val is a Colorado Native who lives with her husband and their two children. She enjoys camping, hiking, paddle boarding, and most other outdoor activities. She is also an avid reader, so if you ever need a good book recommendation, she's your girl! Val attended Colorado State University to complete a bachelor's degree in Organizational Leadership.

Andrea received BA degree at Doane college with honors. Worked in lab for cytogenetics while studying at University of Colorado Child Health Associate/physician assistant program. Graduated with master’s degree. She has been blessed with opportunity in primary care and specialty allowing continued growth. Inspired by patients’ and colleagues with their insight and enjoy educating patients to allow active involvement in their health care. Andrea is an advanced practitioner who feels passionate to keep updated on new medical advances, provide great care along with respect and dignity to the individual patient. Received the Distinguished Fellowship Award from American Academy of Physician Assistant. Appointed in Empire's Who's Who Among Executive and Professional Women in Healthcare. Andrea treasures moments with her adult sons, family and friends. Traveling and cruising are some activities she finds relaxing. Enjoys quilting and trying to give back to the community, when possible.