Our Providers

Dr. Joe Adragna

Family Medicine

Dr. Joe is the President and Founder of Peak Family Medicine. Dr. Joe knew early on that Family Medicine, in which the doctor sees every kind of problem and person, was his calling. At the age of thirteen, Joe was already working as a hospital volunteer in the Montrose Memorial Hospital lab, learning as much about medicine as he could. After graduating from MHS, he worked as an EMT while in college and during his residency at the University of Colorado, on his few days off, he would moonlight at other hospitals, always planning for the future.


Dr. Adragna is committed to helping people stay healthy, avoiding emergency room and hospital stays, allowing easy access to care, and providing office hours that are convenient for working people and those with children in school. His Medical areas of interest include: Musculoskeletal medicine (arthritis treatment), primary care, cardiology, and systems integration and innovation.

Dr. Steve Adams

Family Medicine

Dr. Adams is trained in the specialty of Family Medicine. He can take care of all ages, all conditions, and all severities. He has a background in engineering and was successful in his first career until he had a calling to improve lives. At that time, he decided to attend medical school. Dr. Adams Started Practicing in Delta. He currently has over 10 years of experience as a Doctor in Colorado.


Dr. Adams started with Peak Family Medicine in December 2017. He likes learning new things and taking on new challenges. Family Medicine gives Dr. Adam the chance to practice all types of medicine while helping others have a better quality of life.

Dr. Doriann Adragna

Child Psychology

Since becoming a licensed school psychologist in 2012, DoriAnn has worked as a school psychologist in Colorado working with children from preschool through high school.


Dr. DoriAnn Adragna received her B.A. in Psychology from Colorado Mesa University and her Ed.S. and Ph.D. in Child, Family, and School Psychology from the University of Denver. She received specialized certification in pediatric traumatic brain injury from the University of Colorado Health and Sciences Center and completed an externship in autism and other neuro-developmental disabilities through JFK Partners at Children’s Hospital Colorado. For her doctoral dissertation, she developed a measurement tool designed to help school personnel determine when to refer a child to a school-based brain injury resource team.

Dr. Doug Brannam


Doug Brannam grew up in Colorado.  He moved to Kansas City to attend Cleveland Chiropractic College where he completed his Bachelor of Science (BS) and Doctor of Chiropractic (DC) degrees.  While in Kansas, he met and married his wife and they began a family together.  Called by the mountains, Doug brought his family back to Colorado and began practicing in Colorado Springs. Peak Family Medicine was interested in the benefits Chiropractic could provide to their patients so Peak Chiropractic joined the Peak Professionals family of medical providers.

Dr. Briana Muzic

Family Medicine

Dr. Muzic has over 10 years of experience in the medical field. She enjoys the Colorado outdoors and interesting enough she enjoys playing guitar and singing. She is excited to start seeing patients and serving the Montrose community.

Isaac Klostermann

Family Medicine

Isaac Klostermann is a licensed physician assistant in the state of Colorado. He began practicing internal medicine in the Denver metro area in September of 2012 where he worked until transitioning to family medicine at Peak Family Medicine in Montrose Colorado in June of 2016 to present.

He graduated with a masters degree in Physician Assistant studies with pediatric emphasis at the University of Colorado in 2012. Previously, he graduated from Colorado State University with both a four-year bachelors degree in Environmental Health in 2008 and a masters degree in Biomedical Sciences in 2009.

Jeff Brand

Family Medicine

Jeff started his medical career while serving in the United States Army as a Special Forces Medic. He spent over 7 years serving his country and proving medical coverage for military exercises in the U.S. and overseas. His military career included many notable achievements such as Ranger School, Jungle Warfare Training, Master Jumpmaster, Range Safety Officer, and being a member of the US Army High Altitude Rescue Team just to name a few. Jeff was also an instructor and responsible for giving classes in all of his specialties.

After being Honorably Discharged from the military in 1990, Jeff immediately continued his career in medicine by providing a full spectrum of medical care mostly in rural locations. Jeff Joined Peak Family Medicine in 2017. In addition to seeing patients in the clinic, Jeff assists many patients in local Nursing Facilities.

Dan Burnell

Family Medicine

Dan Burnell is a Certified Physician Assistant with Twenty-Two years of experience in family medicine and over six years of experience in urgent care and occupational sports medicine! After earning his Bachelor’s Degree in Physician Assistant Studies from the University of Texas Medical Branch at Galveston, Dan went on to receive a Master’s degree in Sports Medicine from the University of Houston Clear Lake.


Dan holds many medical certifications in addition to his PA-C. He is also a certified Level 1 Worker’s Compensation Provider, a Certified Pulmonary Function Technologist, a Certified Operating Room Technician, and a Certified Drug and Alcohol Collection Technician. In his free time, Dan enjoys outdoor activities such as snow skiing, waterskiing, and fly fishing.

About us

Peak Professionals was founded in 2015 by Dr. Joe Adragna with the idea of combining multiple medical services under one roof. We strive to provide the highest level of care and efficiency in our services. Do you have a medical business that needs help with workflows, management, or performance? We can help your business become more streamlined and effective. Contact us today to find out how.

Contact Info

PHONE: 970-497-4921

FAX: 855-855-4482



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