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Third Year Residents (Class of 2022)

Amanda Neidermyer Headshot

Amanda Neidermyer, MD

Dr. Neidermyer is a Colorado Springs native. She completed her undergraduate at the University of Colorado at Colorado Springs and went on to graduate at the University of Colorado School of Medicine. Dr. Neidermyer is passionate about providing excellent, compassionate care in a collaborative environment to those who are underserved. 

“My goal in caring for patients is to first listen and meet each patient where they are at without judgement,” comments Dr. Neidermyer, “I want to ensure patients know that I am there to listen and provide quality care regardless of their choices or circumstances.” 

During her free time, Dr. Neidermyer enjoys many of the outdoor activities Colorado has to offer – hiking, camping and snowboarding. 

Ann Treisman Headshot

Ann Treisman, MD

Dr. Treisman grew up in Milwaukee, Wisconsin. She completed her undergraduate at the University of Wisconsin, obtained her Doctorate from the University of Chicago, and graduated from the University of Colorado School of Medicine. Dr. Treisman believes everyone has the ability to be happy and healthy and she strives to help patients take control of their health.

Dr. Treisman describes her approach to patient care as an educator and advocate, “I believe listening to my patients is a critical skill in supporting their needs,” she shares.

During her free time, Dr. Treisman enjoys rock climbing, knitting and cooking.

Derek Fritz Headshot

Derek Fritz, DO

Dr. Fritz grew up in Gilbert, Arizona. He completed his undergraduate from Arizona State University and went on to graduate from A.T. Still University School of Osteopathic Medicine. Dr. Fritz is passionate about providing accessible health care to his surrounding communities. 

Dr. Fritz’s care philosophy consists of his fundamental role as a physician, “to provide wellness and find it through the combination of treating and caring for the mind, body and spirit,” comments Dr. Fritz. 

During his free time, Dr. Fritz enjoys hiking, reading and swing dancing.

Gretchen Nonawzki Headshot

Gretchen Nonawzki, DO

Dr. Nonawzki grew up in Oregon. She graduated from Baylor University and continued her education at the University of New England College of Osteopathic Medicine. Dr. Nonawzki is passionate about providing the best, most thorough health care to all patients regardless of their socioeconomic status. 

Dr. Nonawzki approaches each patient as an individual, "I aim to listen to what they have to say, knowing that every patient experiences diseases and treatments in their own unique way. I ensure the patient's own goals and expectations are at the forefront of my treatment," comments Dr. Nonawzki.

When not working, Dr. Nonawzki enjoys spending time hiking and traveling.

Lisa Reimer Headshot

Lisa Reimer, MD

Dr. Reimer grew up all over the United States. She completed her undergraduate from Radford University and went on to graduate from the University of South Florida Morsani College of Medicine.

Dr. Reimer believes in listening to her patients and acting as a team to achieve their best health possible, “I partner with my patients; I want to be able to truly understand them,” comments Dr. Reimer. 

When not working, Dr. Reimer enjoys spending time with her husband and being near nature with loved ones. 

Second Year Residents (Class of 2023)

Annie Belanger Headshot

Annie Belanger, DO

Dr. Belanger grew up in Oakland, California. She graduated from Scripps College and then attended the Burrell College of Osteopathic Medicine.

She believes in a whole-person approach to medicine. “Not every complaint can be solved with a pill, and I aim to care for each patient in the treatment modality that is best for the individual,” she comments.

In her spare time, Dr. Belanger enjoys hanging out with her friends and family.

Austin West Headshot

Austin West, DO

Dr. West grew up in Coppell, Texas. He attended Birmingham-Southern College for his undergraduate degree and then graduated from the Texas College of Osteopathic Medicine. He is passionate about Peak Vista’s mission to provide exceptional care to all members of the community.

Dr. West focuses on preventative medicine and uses a whole-person approach when caring for his patients.

Dylan Moore Headshot

Dylan Moore, MD

Dr. Moore grew up in Valparaiso, Indiana. He completed his undergraduate at Indiana University Northwest and graduated from the Indiana University School of Medicine. He is passionate about providing care for every individual in his community.

Dr. Moore believes in the importance of communication when fostering a healthy doctor-patient relationship: “I will try my best to make sure that treatment plans are understood well and that all questions are addressed from my patient.”

In his spare time, Dr. Moore enjoys reading, running and taking a good nap.

John Caparas Headshot

John Caparas, DO

Dr. Caparas was born in the Philippines and later moved to San Francisco, California. He completed his undergraduate degree at the University of California, Davis. He then graduated from the Lincoln Memorial University - Debusk College of Osteopathic Medicine. He is passionate about helping patients overcome barriers to health care.

Dr. Caparas’ approach to medicine is simple: use evidence-based practices, maintain an open mind and encourage life-long learning.

When he’s not on the job, Dr. Caparas enjoys running, hiking and playing sports. 

Mark Hoelscher Headshot

Mark Hoelscher, DO

Dr. Hoelscher spent his childhood in Oklahoma City. He attended the University of Oklahoma for his undergraduate degree and then graduated from Oklahoma State University’s College of Osteopathic Medicine. He is passionate about empowering patients to take control of their health and safety. “It is an honor and a responsibility to care for the health of others… Together, maybe we can all be healthier and safer,” he comments.

Dr. Hoelscher uses an evidence-based approach to treating and caring for his patients. He believes it is just as important as communicating well.

During his free time, Dr. Hoelscher enjoys hiking, skiing and looking for adventures. 

Meng Smith Headshot

Meng Smith, DO

Dr. Smith completed her undergraduate degree at the University of Colorado Colorado Springs. She went on to graduate from the Rocky Vista University College of Osteopathic Medicine. She strives to form a partnership with her patients and join them on their health care journeys.

Her approach to medicine mirrors Peak Vista’s mission: “I pride myself on listening without judgement and advocating for patient rights and access to quality care.”

When she is not working, Dr. Smith enjoys cooking, biking and traveling. 

Mark Hoelscher Headshot

Gretchen Sonnenberg, DO

Dr. Sonnenberg grew up in Dayton, Ohio and spent almost ten years in Kentucky and Tennessee. She graduated from Lincoln Memorial University DeBusk College of Osteopathic Medicine and believes that a good patient-doctor relationship is essential for good care and the best way to achieve this is to simply listen to patients and be non-judgmental.

She’s had many other jobs on the journey to becoming a doctor, including English teacher, editor for the Cincinnati Reds, and EMT.

In her free time, she enjoys playing with her two boys and walking her dogs.

Ashley Delaney Headshot

Rachel Deak, DO 

Dr. Deak is from Riverside, California and graduated from Kansas City University of Medicine and Biosciences. She believes healthcare is a right, not a privilege, and as a medical professional she believes she has a duty to provide the best possible care to all of her patients.

“I strive to partner with my patients to help them set and achieve optimal health outcomes. An important part of this approach is to truly listen to my patients. Understanding my patients as individuals allows us to work together to craft the best possible treatment plan.”

In her free time, Dr. Deak enjoys being outside and spending time with her family.

Sanket Patel Headshot

Michael Wentzel, MD

Dr. Wentzel graduated from medical school at the University of New Mexico.

He describes his approach to treating and caring for his patients as “working together with the patient as a team and being able to encourage and motivate lasting and healthy change.”

Sanket Patel Headshot

Sanket Patel, DO

Dr. Patel immigrated from India to Tustin, California when he was ten years old. He completed his undergraduate degree at the University of California San Diego and went on to graduate from the Touro University California College of Osteopathic Medicine.

Dr. Patel’s approach to patient care focuses on building trust between the physician and patient. He states, “The foundation to provide the best health care is built upon an open, trusted and supportive relationship.”

When he is out of the health center, Dr. Patel enjoys reading, playing sports and hanging out with his friends. 

First Year Residents (Class of 2024)

Annie Belanger Headshot

Ellis Beardsley, DO

Dr. Beardsley is originally from Warren, Pennsylvania. She received her bachelor’s degree at University of Mount Union in Alliance, Ohio and graduated from medical school at Edward Via College of Osteopathic Medicine in Blacksburg, Virginia.

Dr. Beardsley wants her patients to be able to have an open line of communication that nurtures a trusting relationship. She specializes in Osteopathic Manipulative Medicine as well as women’s health procedures.

She enjoys helping Peak Vista’s broad community in a diverse way and spending time outdoors in her free time.

Natalie Gould Headshot

Natalie Gould, DO

Dr. Gould is from Durango, Colorado, having graduated from Rocky Vista University’s College of Osteopathic Medicine. She is passionate about integrative medicine and healthy lifestyle practices, such as meditation.

She used to be a full-time yoga teacher before she began attending medical school. She enjoys spending time with her daughter as well as climbing mountains.

Hanna Mackie Headshot

Hanna Mackie, DO

Dr. Mackie is from Bozeman, Montana and received her Doctor of Osteopathic Medicine degree from Pacific Northwest University of Health Sciences. She aims to educate and provide resources to her patients in order to fulfill Peak Vista’s mission and decrease the gaps in health care.

“I believe that a listening ear goes a long way. Each and every patient is going to have different needs and in order to meet those it is vital to show empathy. I know I will not always relate to each and every patient, but I will strive to always care, offer multiple options for treatment, and give ample resources.”

John Caparas Headshot

Benjamin Reiswig, DO

Dr. Reiswig is originally from Wichita, Kansas. He received his Doctor of Osteopathic Medicine degree from Kansas City University as well as a master’s degree in Biomedical Sciences. He believes in providing great preventative care to his patients and developing in-patient medicine skills to be a well-rounded empathetic physician.

“My approach to treating and caring for patients is simple; I listen. I am all about letting the patients talk and I enjoy getting to know them on a personal level and being relatable. I believe it is important for the patients to understand my thought process and that communication is key to helping the patients understand their disease and treatment.”

Meng Smith Headshot

Natalia Tucker, MD

Dr. Tucker grew up in Los Angeles, California and graduated from medical school at the University of California in San Francisco. She also attended Princeton University, Washington University, and the University of Hawaii.

“I view patient care as a collaborative endeavor and strive to empower my patients to be active participants in their healthcare. To that end, I always do my best to explain the ‘why’ behind the ‘what’, so patients know the reasoning behind treatment recommendations.”

Dr. Tucker enjoys reading and going on outdoor adventures.

Sanket Patel Headshot

Marina Wagner, DO

Dr. Wagner is originally from Sacramento, California. She graduated from Kansas City University of Medicine and Biosciences and specializes in Full Spectrum Family Medicine, HIV prevention and treatment, as well as transgender care. She believes in Peak Vista’s mission to provide quality healthcare to patients regardless of socioeconomic status.

“I believe in the holistic approach to assess the body, mind, and spirit. It drives me to trial lifestyle changes before resorting to pharmacotherapy when possible.”

Dr. Wagner also enjoys hiking, skiing, and seeking out new restaurants to try.