About Horizon Family Medicine

Core Values and List of Physicians

The Horizon Family Medicine team of physicians and staff all share in the following core values. Our goal is to provide an excellent clinical patient experience with top quality individual and family healthcare services.

Integrity and Trust

Integrity and trust are the foundation of who we are and the service we provide our patients.

Excellence in Patient Care and Service

Top quality, timely, and personable patient care is essential. Team members will strive to place the patient’s needs first and provide exceptional medical expertise and service.


Professionalism, respect and compassion are always a focus for our team in dealing with our patients. Team members will demonstrate a commitment to protecting the patient’s privacy and ensure the clinic environment experience is extraordinary.

Family doctor and patients in waiting room

List of Physicians

  • Dr. Katherine Atchison MD, CCFP, FCFP

    Dr. Atchison was born and raised on a farm in southwest Saskatchewan. She graduated from medical school in Saskatoon (University of Saskatchewan) then completed a Family Medicine residency program at the Foothills Hospital in Calgary. She practiced in a small rural community in Montana for 3 years before moving to Red Deer in 1997, where she has been practicing since that time. As well as a full time family practice, Katherine is on the Sexual Assault Response Team. Katherine is married, has two sons and enjoys doing crafts, reading and gardening.

  • Dr. Richard Beever BSc, MD, CCFP

    Richard grew up around Edmonton, completed an Honors Physiology undergraduate degree and later medical school at the University of Alberta. From there, he went to BC for the Northern Rural Family Practice Residency. "One year of locums before returning to Alberta" stretched out to 15 years of locums around the world. During that time he has worked throughout BC, Australia and New Zealand. He is looking forward to settling down and growing some roots in the Red Deer/Sylvan Lake area.

  • Dr. Maleeha Choudhry MD

    Dr. Choudhry was born in Pakistan, completed her medical degree from Faisalabad Medical College and in 2007 finished her residency training in Rawalpindi, Pakistan. She has been in living in Alberta since 2008 and previously worked as a Physician Assistant at a medical clinic in southeast Edmonton. She has a strong interest in prenatal care and obstetrics alongside family medicine. She is fluent in Punjabi and Urdu.

  • Dr. Raymond Comeau BMSc, MD, CCFP

    Dr. Comeau graduated from University of Alberta in 1980 with MD, BMSc. He is a CCFP certified family physician with an interest in dermatology, infectious diseases and emergency medicine. Dr. Comeau and his wife Deryl have traveled to or worked in over 78 different countries and are associated with several overseas aide organizations.

  • Dr. Mark Darby MD, MSc, CCFP

    Dr. Darby was raised in a rural community west of Innisfail, Alberta. He attended the University of Calgary for his undergraduate degree in Biology, his Masters Degree in Neuroscience and for his Medical Degree, graduating in 2002. He did a Rural Family Medicine Residency through the University of Alberta, training primarily in the Red Deer region. He has been practicing Family Medicine in Red Deer for 11 years.

  • Dr. Emily Devereaux BSc, MD, CCFP

    Dr. Devereaux was raised in Red Deer, Alberta. She graduated from the University of Calgary with a degree in Biological Sciences and then followed up by completing her Doctor of Medicine there. She returned to Red Deer for her medical residency through the Rural Alberta North Family Medicine Program through the University of Alberta.

  • Dr. Carlie Duke MSc, MD, CCFP

    Dr. Duke was born in Calgary but raised in Cranbrook, BC. She graduated from Mount Allison University in New Brunswick with an Honours degree in Psychology and Biology and then completed a Masters of Science in Neuroscience from the University of Calgary. She completed her medical degree through the University of British Columbia at their Prince George site and then Family Medicine Residency through the University of Alberta in Edmonton. She has moved to Red Deer with her young family and looking forward to starting practice there.

  • Dr. Bradley Greig MD, CCFP

  • Dr. Mandy Hyde BSc, MD, CCFP

    Dr. Hyde was raised in Lacombe, Alberta. She graduated with an undergraduate degree in Biology from Canadian University College in Lacombe and then attended the University of Alberta to gain her medical degree in 2002. She completed her medical residency through the Rural Alberta North Family Medicine Program based in Red Deer in 2004. She has been practicing family medicine in the Red Deer area since completing her training. She has a special interest in maternity care.

  • Dr. John Julyan-Gudgeon MSc, MD

    Dr. John Julyan-Gudgeon completed his undergraduate degree in Zoology at the University of Calgary and has been in Alberta ever since. He holds a Masters Degree in Neuroscience and graduated from University of Alberta's medical school and Family Medicine residency program in 2006. He has served as a physician for the Canadian Forces between 2006 and 2010.

  • Dr. Chauntille Munchinsky MD, CCFP, FCFP

    Dr. Munchinsky was raised in Medicine Hat and completed her undergraduate education at the Medicine Hat College and the University of Alberta. She obtained her Doctor of Medicine from the University of Calgary in 2005 before moving to Chilliwack, BC to complete her family medicine residency through the University of British Columbia. Dr. Munchinsky is a CCFP-certified physician with a special interest in maternity care. She has been practicing in Red Deer since 2007.

  • Dr. Sereyrath Ngeth M.Sc, M.D, CCFP

    Dr. Ngeth grew up in Red Deer and attended Red Deer College before transferring to the University of Alberta. He completed his undergraduate degree in Biochemistry and went on to complete a Master’s degree before entering medical school. He graduated from medical school in 2009 and completed his rural family medicine training in Medicine Hat through the Rural Alberta South Program. After completion of his training, he worked in the rural towns of Alberta as a locuming physician.

  • Dr. Nav Rattan DPM, MD, CCFP-SEM, Dip Sport Medicine

    Dr. Rattan was raised in Red Deer, graduated from Lindsay Thurber Comprehensive High School and then attended the University of Alberta in Edmonton for his undergraduate Science Degree. He then went to San Francisco and Chicago to study Podiatric Medicine and Foot Surgery. Following that, he attended Medical School at the University of Calgary and completed training in Family Medicine in Edmonton. He has been practising medicine in Red Deer for the past 30+ years focusing on Family Medicine, Sport Medicine and Foot Disorders.

  • Dr. Marci Wilson BSc, MD, CCFP

    Dr. Wilson grew up in Southern Ontario and completed a Bachelor’s of Science at the University of Waterloo, graduate studies in Audiology, and in 2002 her Medical Degree at McMaster University. She completed a Rural Family Medicine Residency through the University of Alberta in 2004 and has been practising Family Medicine in the Red Deer area since.


  • Martin Penninga Business Manager

    Martin completed his Bachelor of Business Administration Degree from Trinity Western University in 1995. Following graduation until 2004, he held management and finance positions at TWU, British Columbia Institute of Technology, and the University of Calgary. Prior to his role at Horizon, he co-owned a local retail business and managed another large family medical clinic in Central Alberta. Since 2011 when Horizon Family Medicine opened, he has managed its business operations and grown the clinic significantly. Over the past 10+ years, Martin has also enjoyed working as a practice management consultant for other clinics across Alberta.