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Timothy Mazzola, MD, is triple board-certified in family medicine, sports medicine, and musculoskeletal ultrasound. He practices as a non-operative orthopedic and regenerative medicine specialist at Breakthrough Regenerative Orthopedics in Boulder, Colorado. His enduring professional passion is to bring restoration, healing, and hope to those looking to return to the life they love and be the people they are called to be.  

Dr. Mazzola formerly worked as a non-operative orthopedic specialist at Cornerstone Orthopedics for eight years and was a United States Air Force Academy team physician. 

Passionate about teaching, Dr. Mazzola is an assistant clinical professor at the University of Colorado in Boulder, teaching family medicine residents. He is a national expert and highly sought-after physician educator who has taught musculoskeletal and sports ultrasound for many years at the Gulfcoast Ultrasound Institute and Advanced US courses at the American Medical Society of Sports Medicine National Conferences.

As a leader in the field, he recently co-authored a chapter on using ultrasound-guided techniques in regenerative medicine procedures in one of the first textbooks on regenerative orthopedics, titled "Regenerative Treatments in Sports and Orthopedic Medicine," edited by Drs. Malanga and Ibrahim. 

Apart from his passion for bringing restoration and healing to those God sends his way, he is blessed to have recently celebrated 25 years of marriage to his heroic and amazingly compassionate bride. They have been blessed with two amazing sons, each gifted with strength, kindness, brilliance, and leadership. 

In his free time, you may find Dr. Mazzola cranking his bike up a trail, flowing down a mountain through powder, or, if he's lucky, riding great waves with good friends.

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. 

I believe I'm here to help you make an informed decision about your heath. It's not my job to tell patients what to do but to empower patients to make healthy decisions for themselves. Nonjudgemental, thorough, holistic and evidence-based, I look at every angle to provide the best options for every patient.

William “Bill” Newman, MD, is a general medicine and allergy and asthma specialist. He serves patients at Denver Allergy & Asthma Associates in Boulder, Lakewood, Westminster, Denver, Littleton, and Arvada, Colorado. 

Dr. Newman grew up in Dayton, Ohio, where he lived and breathed Reds baseball. He received his undergraduate degree in biology from Yale University in New Haven, Connecticut. While there, he worked in the immunology lab at the medical school, a position that sparked his interest in the field. 

He obtained his medical degree from Case Western Reserve University in Cleveland, Ohio, on a U.S. Army scholarship. Dr. Newman completed his internal medicine residency at Fitzsimons Army Medical Center in Aurora, Colorado (now the University of Colorado Anschutz Medical Campus). 

Dr. Newman spent the next four years as a staff internist at the U.S. Army Hospital in Heidelberg, Germany. He left military service in 1997 and joined the staff of the University of Vermont in Burlington, where he was also an assistant professor of medicine, teaching medical students and residents. 

After three years in primary care internal medicine, he sought specialty training and rejoined the Army to do so. He completed his allergy/immunology fellowship at Walter Reed Army Medical Center in 2002 and, from there, returned to Germany to become Chief of Allergy at the US Army Hospital in Würzburg, where he also functioned as chief of medicine. 

He left Germany and the Army in 2005 to launch a solo allergy/immunology practice in Vermont and spent the next 11 years as an established allergist in the Burlington, Vermont, area. 

When his son graduated from high school, he and his wife decided to make a bold change and return to Colorado. He joined Denver Allergy & Asthma and Associates in July 2016.

When not at work, Dr. Newman loves the wilderness and the mountains, camping, hiking, canoeing, and fishing whenever he can find the time. He is married and has a grown son who lives in Salt Lake City.

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. 

William “Bill” Newman, MD, is a general medicine and allergy and asthma specialist. He serves patients at Denver Allergy & Asthma Associates in Boulder, Lakewood, Westminster, Denver, Littleton, and Arvada, Colorado. 

Dr. Newman grew up in Dayton, Ohio, where he lived and breathed Reds baseball. He received his undergraduate degree in biology from Yale University in New Haven, Connecticut. While there, he worked in the immunology lab at the medical school, a position that sparked his interest in the field. 

He obtained his medical degree from Case Western Reserve University in Cleveland, Ohio, on a U.S. Army scholarship. Dr. Newman completed his internal medicine residency at Fitzsimons Army Medical Center in Aurora, Colorado (now the University of Colorado Anschutz Medical Campus). 

Dr. Newman spent the next four years as a staff internist at the U.S. Army Hospital in Heidelberg, Germany. He left military service in 1997 and joined the staff of the University of Vermont in Burlington, where he was also an assistant professor of medicine, teaching medical students and residents. 

After three years in primary care internal medicine, he sought specialty training and rejoined the Army to do so. He completed his allergy/immunology fellowship at Walter Reed Army Medical Center in 2002 and, from there, returned to Germany to become Chief of Allergy at the US Army Hospital in Würzburg, where he also functioned as chief of medicine. 

He left Germany and the Army in 2005 to launch a solo allergy/immunology practice in Vermont and spent the next 11 years as an established allergist in the Burlington, Vermont, area. 

When his son graduated from high school, he and his wife decided to make a bold change and return to Colorado. He joined Denver Allergy & Asthma and Associates in July 2016.

When not at work, Dr. Newman loves the wilderness and the mountains, camping, hiking, canoeing, and fishing whenever he can find the time. He is married and has a grown son who lives in Salt Lake City.

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. 

Morgan Busse received her bachelor’s degree in nursing from the University of Washington in 2011 and worked as an inpatient OB nurse for 8 years at a busy urban hospital in Seattle, Washington. Her love for nursing and the desire to create life-long partnerships with patients and families led her back to the University of Washington where she graduated with her Doctorate in Nursing Practice, specializing as a family nurse practitioner in 2020. Morgan and her family moved to Colorado in 2021 to give them the wonderful opportunity to be closer to family and experience the beautiful Colorado Rockies! Family Health best fits Morgan’s personality as she loves working with all ages, and implementing the growing body of evidence across a variety of health topics. “Being a nurse practitioner is an absolute privilege. I get to partner with the people in my community, and together we achieve their unique health goals.”

Erin Arnett, FNP-C, is a board-certified family nurse practitioner and one of the compassionate providers practicing at Denver Medical Concierges. She provides comprehensive concierge medicine services to adults living in and around Denver and throughout the state of Colorado.

Erin earned her Bachelor of Science in Nursing from Adams State College, located in Alamosa, Colorado. She then went on to earn her Master of Science, Family Nurse Practioner, from Regis University here in Denver. 

As part of the team here at Denver Medical Concierges, Erin provides a range of nonurgent medical services to both male and female patients via telehealth. Her wealth of experience, warm demeanor, and medical expertise make it easy to receive the care you need from the comfort of your home. 

To schedule an appointment with Erin or another member of the team at Denver Medical Concierges, call the office or request an appointment using the online booking feature today. 

William “Bill” Newman, MD, is a general medicine and allergy and asthma specialist. He serves patients at Denver Allergy & Asthma Associates in Boulder, Lakewood, Westminster, Denver, Littleton, and Arvada, Colorado. 

Dr. Newman grew up in Dayton, Ohio, where he lived and breathed Reds baseball. He received his undergraduate degree in biology from Yale University in New Haven, Connecticut. While there, he worked in the immunology lab at the medical school, a position that sparked his interest in the field. 

He obtained his medical degree from Case Western Reserve University in Cleveland, Ohio, on a U.S. Army scholarship. Dr. Newman completed his internal medicine residency at Fitzsimons Army Medical Center in Aurora, Colorado (now the University of Colorado Anschutz Medical Campus). 

Dr. Newman spent the next four years as a staff internist at the U.S. Army Hospital in Heidelberg, Germany. He left military service in 1997 and joined the staff of the University of Vermont in Burlington, where he was also an assistant professor of medicine, teaching medical students and residents. 

After three years in primary care internal medicine, he sought specialty training and rejoined the Army to do so. He completed his allergy/immunology fellowship at Walter Reed Army Medical Center in 2002 and, from there, returned to Germany to become Chief of Allergy at the US Army Hospital in Würzburg, where he also functioned as chief of medicine. 

He left Germany and the Army in 2005 to launch a solo allergy/immunology practice in Vermont and spent the next 11 years as an established allergist in the Burlington, Vermont, area. 

When his son graduated from high school, he and his wife decided to make a bold change and return to Colorado. He joined Denver Allergy & Asthma and Associates in July 2016.

When not at work, Dr. Newman loves the wilderness and the mountains, camping, hiking, canoeing, and fishing whenever he can find the time. He is married and has a grown son who lives in Salt Lake City.

Deirdre Fraller, DNP, ANP-C, PMHNP-BC, is the founder, CEO, and Clinical Director of Owl & Eagle Health and Wellness. Known for her compassionate and skilled approach to mental health care, Dr. Fraller creates a welcoming atmosphere for her patients. Her commitment to understanding each individual's unique mental health journey is reflected in her thorough diagnostic evaluations, including detailed histories and in-depth symptom investigations.

Dr. Fraller designs personalized, holistic care plans that may include medication, nutritional guidance, and innovative treatments like ketamine-assisted therapy and transcranial magnetic stimulation (TMS). Her goal is to empower patients to achieve maximum health and happiness, partnering with them with empathy and expertise. 

Dr. Fraller completed her Master's degree at the University of North Carolina at Chapel Hill and her Doctor of Nursing Practice at Vanderbilt University. She is board certified as an Adult Nurse Practitioner and Psychiatric and Mental Health Nurse Practitioner.

Outside of the office,  Dr. Fraller enjoys "indoorsy" activities like reading, cooking, and watching movies. She also loves playing outside with her family’s menagerie of dogs, cats, goats, and horses. This year, after 10 years in Colorado, she is venturing out of her comfort zone by learning to snowboard!

Dr. Fraller treats patients age 16 and up for all psychiatric conditions. She is accepting new patients and provides visits via telehealth and in-person at our Golden location. 

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.

Lawrence Scott Wilner, DO, is board certified in family medicine. He is proud to serve patients at Summit Primary Care in Denver, Colorado. 

Dr. Wilner loves medicine. Although he has been practicing medicine for more than 25 years, he still attacks each day with the interest and vigor of a freshly graduated physician. He loves his work and his interactions with his patients. 

He feels strongly that decision-making in medicine should be shared by the patient with the doctor and all choices should be adequately explained and reviewed. Dr. Wilner strives to make each visit a memorable experience and ensure each patient feels that all of their complaints have not only been heard but also addressed with a detailed plan agreed upon by all parties. 

Dr. Wilner graduated from medical school in 1991. He has actively practiced medicine since that time, spending most of it in the family practice area, but also has broad exposure to urgent care medicine, emergency medicine, and sports medicine. He has worked extensively with one of the professional teams in Denver and has been the team physician for Ponderosa High School since 1994. He was elected into the Ponderosa High School Hall of Fame recently for his volunteer service over the last quarter of a century.

Dr. Wilner likes to exercise in his free time and play a fair round of golf. He is married and has two amazing boys. 

As a compassionate and caring family medicine doctor, Bipin Kumar, MD, a Certified Medical Home provider accredited by AAAHC, offers his personalized attention to every patient at Himalaya Family Medicine Clinic in Aurora, Colorado. As a board-certified physician by the American Board of Family Medicine, Dr. Kumar has extensive experience in many aspects of medicine and has completed years of dedicated research to ensure his patients receive the highest quality of care.

One of Dr. Kumar’s favorite aspects of practicing family medicine is spending as much time as possible with each patient, listening to their concerns and questions, and creating a custom treatment plan based on their needs. Dr. Kumar never forces a patient to follow his advice and prefers giving all the necessary information to help them make the best decision for their own health care.

Dr. Kumar earned his degrees in medicine and surgery at the Rajendra Institute of Medical Sciences in Ranchi Jharkhand, India. He went on to complete his residency in family medicine at St. Vincent’s HealthCare in Jacksonville, Florida. When he came to the United States, Dr. Kumar completed six years of micronutrient research to understand the optimal human diet for health and performance. Dr. Kumar was the author and coauthor of 16 published research papers. 

At Himalaya Family Medicine Clinic, Dr. Kumar offers a variety of diagnostic and treatment services for acute and chronic medical conditions. He believes strongly in preventive care for healthy people, focusing on lifestyle, nutrition, and health screenings to ensure a long, happy life. His primary goal is to give patients the right tools to thrive physically, mentally, and emotionally.

Dr. Kumar is fluent in English and Hindi for the convenience of his patients. When he’s not working at his clinic, Dr. Kumar adores spending time with his amazing family, often on hikes through beautiful Colorado.