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Aspen Family Care is a BBB Accredited Business. Click for the BBB Business Review of this Physicians & Surgeons - Family Practice in Littleton CO

 

 

 

Providers

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Matt Claussen, M.D.
Co-Founder, Family Physician
Aspen Family Care

Matt Claussen, M.D., received his medical degree from the University of Colorado Health Sciences Center in Denver, Colorado. He completed his residency and Boards Certification specializing in family medicine at the University of Colorado Health Sciences Center, Swedish Family Medicine Residency Program. Dr. Claussen is a co-founder of Aspen Family Care, established in 1997. He serves as the practice's co-medical director and enjoys all of the aspects and challenges of family medicine. He believes in an active approach to health and in developing close and trusting relationships with his patients. He brings more than 14 years of experience to the practice.

Dr. Claussen provides preventive and acute care for newborns, children, adolescents and adults. Dr. Claussen particularly enjoys sports medicine, adolescent medicine and performing procedures, such as skin biopsies, laceration repairs and laser/phototherapy treatment for various skin conditions. Additionally, he has over 14 years of experience in performing vasectomies. He utilizes minimally invasive techniques to provide fast recovery with minimal downtime.

Dr. Claussen is a member of the American Academy of Family Practice (A.A.F.P.), American Medical Association, Colorado Medical Society, Swedish Medical Center Primary Care Advisory Committee, Phi Beta Kappa, University of Colorado Health Sciences Center Senior Clinical Faculty Member for Family Medicine and Red Rocks Community College Primary Care Tract Clinical Instructor for Physician Assistants. He continues ongoing training and certification with the American Board of Family Practice. Dr. Claussen received his second board certification in Aesthetic Medicine with the American Academy of Aesthetic Medicine in 2011. Dr. Claussen, along with Dr. Pechacek, are the only two physicians in Colorado to have attained this distinct certification.


Dr. Claussen resides in Denver and enjoys outdoor activities including sports, running biking, hiking, skiing, photography, painting, music, playing guitar, and gardening.

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Jill Pechacek, M.D., F.A.A.F.P.
Co-Founder, Family Physician
Aspen Family Care

Jill Pechacek, M.D., received her medical degree from the University of Iowa College of Medicine. She completed her residency and board certification specializing in family medicine at the University of Colorado Health Sciences Center, Swedish Family Medicine Residency Program. Dr. Pechacek is a co-founder of Aspen Family Care, established in 1997 and Aspen Medical Aesthetics, established in 2008. She provides preventive, acute and chronic illness care for infants, children and adults. She enjoys women’s health, pediatrics, sports medicine, preventive health, dermatology and aesthetics. She believes in establishing long-term relationships with her patients and their families and is dedicated to providing the highest quality of healthcare to her patients. She serves as the co-medical director for both practices and brings more than 18 years of experience to the practice.

Dr. Pechacek is a Fellow of the American Academy of Family Practice (F.A.A.F.P.) and is a
member of the American Medical Association and the Colorado Medical Society. She served as
Chief Resident at Swedish Family Medicine Residency Program in 1996-97. She is board
certified in family practice and continues ongoing training and certification with the American
Board of Family Physicians. Dr. Pechacek received her second board certification in Aesthetic
Medicine with the American Academy of Aesthetic Medicine in 2011. Dr. Pechacek, along with
her business partner Dr. Claussen, are the only two physicians in Colorado to have attained this
distinct certification.

Dr. Pechacek was featured in 5280 Magazine in 2006 and received the “Top Doc” Award for
family physicians. She has also received the Most Compassionate Doctor and Patient’s Choice
awards three years in a row with PatientsChoice.org.

Dr. Pechacek resides in Highlands Ranch and enjoys spending time with her three children,
Hawk, Brooks and Hope. She has an active lifestyle and enjoys running, hiking, skiing and
cheering for her beloved Iowa Hawkeyes.

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Cassandra Workman, M.D
Family Physician
Aspen Family Care

Dr. Cassandra “Cassi” Workman, M.D. received her medical degree from the University of Iowa Carver College Of Medicine in Iowa and completed her residency training in family medicine at Swedish Family Medicine Residency Program in Littleton, Colorado. She earned a Bachelor of Science degree in Biology and Spanish at Nebraska Wesleyan University in 2002, where she was Valedictorian of her class. She is an active member of the American Academy of Family Physicians, American Medical Association and the Colorado Medical Society. She has received several awards throughout her educational career, including the Behavioral Science Award in residency, the Distinguished Student Leadership Award in medical school and the Medically Underserved Service Track Award, also in medical school. Dr. Workman is also fluent in Spanish and is able to provide healthcare to Spanish-speaking patients.

Dr. Workman takes a very active and personal role when developing relationships with her patients and believes strongly in providing exceptional healthcare. She provides preventative and acute care for both youth and adults and enjoys all aspects of family medicine, particularly thyroid disorders, diabetes and pediatrics.

Dr. Workman resides in Englewood with her husband, Brandon, and her son, B.J. She enjoys running, watching movies, reading fiction and spending time with her family. She brings a wealth of knowledge and experience to Aspen Family Care and she looks forward to caring for you and your family members!

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Bau Tran P.A.-C, Pharm.D.
Physician Assistant
Aspen Family Care

Bau (“Bo”) Tran, P.A.-C, Pharm.D., received his Physician Assistant certification in 2008 at Red Rocks Community College Physician Assistant Program in Lakewood, Colorado and his Master’s of Medical Sciences from St. Francis University. He recently completed a physician assistant residency program in Critical Care Medicine with an emphasis in Emergency Medicine at the University of Massachusetts Memorial Medical Center in Worcester, Massachusetts. His philosophy of practice is to guide patients through each stage of life maintaining and/or improving good individual health utilizing various means including education, prevention, and disease management.

Prior to his work at Aspen Family Care, Bau received his Bachelor’s degree in pharmacy in 1997 and his Doctorate of Pharmacy in 2001 from the University of Oklahoma College of Pharmacy. He has worked as a clinical pharmacist for over 13 years in both the hospital and academia settings. In addition to work at Aspen Family Care, he is a registered pharmacist and currently works at Memorial Health Systems in Colorado Springs, Colorado as clinical pharmacist in the Pediatric and Adult Intensive Care Units.

Bau is a Fellow of the American College of Chest Physician (F.C.C.P.) and the Society of Critical Care Medicine. He is a member of the Association of Family Practice Physician Assistant, the Society of Emergency Medicine Physician Assistants, and the American College of Clinical Pharmacy.

Bau comes to Colorado in 2002 from Dallas, Texas where he fell in love with the beautiful scenery, majestic mountains, and abundance of outdoor activities. He resides in Colorado Springs and enjoys camping, skiing/snowboarding, tennis, running, hiking, and reading.

Summer Tangeman, P.A.-C.Summer Tangeman, P.A.-C.
Physician Assistant
Aspen Family Care

Summer Tangeman, P.A.-C. earned her Master’s of Medical Sciences from St. Francis University and received her Physician Assistant certification from Red Rocks Community College in Denver, Colorado. She received her Bachelor’s degree in biology and math with an emphasis in chemistry from Regis University. Summer is the newest member to join our family and will partner with our providers to provide the utmost quality of care.

Prior to working at Aspen Family Care, Summer worked as a hospitalist physician assistant at St. Joseph's, Presbyterian St. Luke’s and Good Samaritan hospitals while also practicing at Vibra Long Term Acute Care. She has extensive experience working in internal medicine and geriatrics and enjoys these aspects of healthcare. Summer believes in treating the whole patient and believes strongly that prevention and education are key components to disease management. Summer also encourages proper nutrition and exercise to all of her patients.

Summer is an active member with the Colorado Academy of Physician Assistants (CAPA) and the National Commission on Certification of Physician Assistants (NCCPA). She was a leadership scholar throughout her undergraduate education and was consistently on the Dean’s list. Summer was the Director of Diversity at Red Rocks Community College and served the community through many service-oriented projects.

Summer resides in Denver and enjoys hiking (she conquered Mt. Kilimanjaro in 2011!), trail running, mountain biking, rafting and camping.

Jason Perrow, P.A.-C.
Physician Assistant
Aspen Family Care

Jason Perrow PA-C received his medical degree from Methodist University in Fayetteville, NC. He earned his bachelor’s and master’s degrees from North Carolina State University. Jason has almost ten years of experience in family practice and cares for people of all ages. His heart lies in family practice because he enjoys getting to know people and feels that continuity of care is critical to achieve positive results. . He believes strongly in preventive medicine and feels that it is one of the keys to a long, healthy life. He enjoys all areas of family medicine, particularly men’s health, sports medicine and testosterone replacement therapy along with other endocrine disorders including diabetes. He considers himself down to earth, practical and somewhat of a good ole’ boy.

After vacationing in Colorado for several years he wondered why anyone would want to live anywhere else. He and his family decided to fulfill their “manifest destiny” and move out west. He is a family man and loves to spend time with his wife Lori, a veterinarian, and his daughter Quinn, who hopes to be a cowgirl. Jason enjoys hiking, hunting, fishing, competing in triathlons (he has finished 3 Ironman triathlons) and playing with his four dogs-Patton, Montgomery (Monty), Josie and Sam. He hopes to learn to ski, rock climb and summit all of the 14ers.

Ashley Birger, P.A.-C.Ashley Birger, P.A.-C.
Physician Assistant
Aspen Family Care

Ashley Birger PA-C, received her Master’s of Physician Assistant Studies-Pediatrics at the University of Colorado Health Sciences Center, Child Health Associate/Physician Assistant Program with special focus on the evaluation and treatment of illness in children. She earned her Bachelor of Arts in both Biology and Chemistry at the University of Colorado at Colorado Springs where she ran competitively for the track and cross country teams. She is a current member of Colorado Academy of Physician Assistants (CAPA) and the American Academy of Physician Assistants (AAPA).

As a native to Colorado, she enjoys running for the Boulder Running Company along with her husband, who is her favorite running partner. She also enjoys skiing, biking, camping, reading and has two energetic rabbits at home.

Ashley has a passion for sports medicine given her 10+ years of running and experience with many running-related injuries. She enjoys creating diet and exercise programs for weight loss, cholesterol and blood pressure management. Her passions extend to pediatrics and women’s health care, as well as treating depression and anxiety.

 

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