About Us

Our Mission

Arvada Sport and Spine Group is dedicated to providing the highest quality Chiropractic and Physical Therapy services available. Our progressive, multidisciplinary approach offers clients unparalleled, comprehensive care in one convenient location. We combine the diverse skill sets of both chiropractors and physical therapists who work collaboratively to give clients a level of care that cannot be found in standard, single provider clinics. As pioneers of this innovative health care model in the Denver metro area, we pride ourselves in delivering exceptional care with longer-lasting outcomes.

Our Staff

Dr. Andrew Welling, D.C., DACBSP®

Diplomate American Chiropractic Board of Sports Physicians®

Dr. Welling earned his Bachelor of Science in Exercise Physiology from Brigham Young University and his Doctor of Chiropractic degree from Cleveland Chiropractic College. Dr. Welling is the original founder of Arvada Sport and Spine Group and believed early on that health care is best delivered in a collaborative group effort.  That group must include a talented team of caring providers and equal involvement from the patient.   He continues his training taking more than 650 hours of continuing education since completing his original schooling to ensure his practice is continuously evolving. He has achieved Diplomate status with the American Chiropractic Board of Sports Physicians.  He is certified to perform Dry Needling completing both level 1 and 2 trainingHe has also been fully trained in  Kinesio Taping, multiple forms of soft tissue mobilizaton, and has taken level 1 and level 2 SFMA (Selective Functional Movement Assessment).  

He continues to be distinguished provider for high level events including many foot and bike races.  Most recently he was chosen to be part of the sports medicine team that worked the National Collegiate Tae Kwon Do Championships and delivered care to the  athletes again using a team approach.  He has also served  for several years as an examiner for  the American Chiropractic Board of Sports Physicians.

Dr. Erin Miller, PT, DPT

Doctor of Physical Therapy

Erin Miller, PT, DPT is a licensed physical therapist specializing in the treatment of orthopaedic injuries. She recently relocated to Colorado from Phoenix, AZ where she treated a variety of cases including sport injuries, post-surgical rehab, and chronic pain. She is experienced as a Personal Trainer and Group Fitness Instructor and believes that an active lifestyle is a healthy lifestyle. She enjoys helping people get back to the things they love.

Erin obtained her Doctorate in Physical Therapy from Midwestern University, where she was involved in various extracurricular activities including chairperson for the Optimism Run for Parkinson Disease. She obtained her bachelor’s degree from University of Missouri and continues to root for the Tigers (MIZ-ZOU!). She has participated in additional training including Graston Technique, Institute of Physical Art’s Functional Mobilization, IAOM manual therapy courses for shoulder, thoracic spine, and recurrent lumbar pain, and Selective Functional Movement Assessment. Erin is a Certified Vestibular Rehabilitation Specialist. She is trained in techniques to aid in concussion treatment and resolution of vertigo and dizziness.

Erin is an active member of the American Physical Therapy Association in the orthopedic section. In her free time she, her husband, and two dogs enjoy exploring  Colorado  as well as running, biking, and yoga. 

Dr. Brit MacLennan, D.C., MS, 

Doctor of Chiropractic, Master of Science in Sports Science and Rehabilitation

Dr. Brit MacLennan, a metro-Detroit native, is a former division 1 Collegiate athlete with a strong desire to help others achieve their own optimal performance.  She values the importance of looking at the underlying causes of pain and injury that can stem from muscular imbalance, joint dysfunction, and compensated movement.  From her personal experiences in dealing with chronic back pain and several sports injuries for many years, she holds an understanding to those in pain and has a passion to help anyone achieve their own goals, whatever they may be, pain-free.

Brit earned her Bachelor of Science degree in Exercise Science from Morehead State University in Kentucky where she captained the women's soccer team to four Ohio Valley Conference championship wins and two NCAA tournament appearances. She then obtained both her Doctor of Chiropractic degree and Master of Science degree in Sports Science and Rehabilitation at Logan University near St. Louis, Missouri.  While at Logan, she gained valuable experience at the Briofreeze/Human Performance Center, specializing in sports chiropractic and rehabilitation. Brit holds certifications in ART (Active Release Technique), FAKTR, SFMA (Selective Functional Movement Assessment), and RockTape.

Dr.  Gary E. Spears, D.C., F.I.A.M.A.

Doctor of Chiropractic

Gary is a licensed chiropractor and acupuncturist practicing in Arvada since 1979.  Being raised here in Arvada, and graduating from Arvada West HS in 1973 (go Wildcats!!), he is very familiar with the area.  After undergraduate work at Western State College in Gunnison, he attended and received his doctorate in chiropractic from Logan College in St. Louis, Missouri, and then moved back to Colorado to start serving the community here.


Dr. Spears enjoys treating all kinds of injuries/conditions involving the spine, but also enjoys utilizing other methods in order to treat conditions ranging from sport injuries to disorders involving nerves and other systems of the body. He also enjoys working in a group setting where there are multiple types of healthcare providers working together for the benefit of the patient.    In addition to chiropractic, Dr. Spears has been practicing acupuncture since 1998 and also is certified in trigger point dry needling (TPDN). 

Maria Hopp, M.D.

Doctor of Stem Cell

Dr. Maria Hopp grew up in the Littleton, Colorado area and has lived here for much of her life. She began her college education at the Colorado School of Mines and graduated from the University of Houston. She completed her medical education at the University of Texas at Houston Medical School. Dr. Hopp moved back to the Denver area and did her family practice residency at St. Joseph Hospital in Denver. She has been working in the Littleton community for over 20 years.

Dr. Hopp loves working with all types of patients. She is married with three grown children and lives in Littleton, CO. Her interests include running, biking and cooking healthy food. Recently, Dr. Hopp took up the practice of meditative yoga. She loves to read and her favorite book is The Alchemist.

Board Certified AAFP – American Academy of Family Physicians
Certified Practitioner – The Institute for Functional Medicine (IFM)
Member AAOM – American Association of Orthopedic Medicine
Certified Practitioner – Lyftogt Perineural Injection Treatment
Interventional and Regenerative Orthopedic Medicine Certification – AAOM
Certified Practitioner – The Bredesen ProtocolTM and ReCODE ReportTM
Certified Practitioner – Advanced Nutrient Therapy – Walsh Research Institute
Advanced Bioidentical Hormone Replacement Therapy Certification – Worldlink Medical
American Registry for Diagnostic Medical Sonography Musculoskeletal Ultrasound – RMSK


Becky Canada

Front Office, Patient Accounts


Becky has worked at our front desk since we first opened our doors in 2006. Prior to this, she worked at Newport Beach Surgery Center for 5 years in insurance verification. She has also worked as a medical transcriptionist for an outpatient physical therapy clinic in Englewood, CO.

Becky and her husband have two grown daughters and enjoy traveling in their motor home.


Cindy Spears

Front Office, Patient Accounts


Cindy started working at Arvada Sport and Spine in 2017. Previously she worked as a Chiropractic assistant for many years.

She is married to her high school sweetheart. They have two married children, a son and daughter. They also have six granddaughters. She is a Colorado native and enjoys camping, hiking, photography and loves spending time with her grandkids.


Nanci Pinson

Front Office, Patient Accounts


Nanci has been with us since July of 2013. Prior to joining our practice, she has had experience working in a dental office and in a large animal veterinary clinic.

Nanci is married and has three children. In her free time out of the office she enjoys making jewelry. 


Colleen Jurgens

Front Office, Patient Accounts, Marketing


Colleen started out in our clinic as a patient and loved this place so much she began working with us on Valentine's day of 2011. She has a background in finance and marketing, and enjoys helping others discover how great Arvada Sport and Spine Group is!

Colleen is married to her husband Cliff and they have three children. On the weekends and in her spare time you can usually find her in the middle of a home improvement project, or in the aisles of the home improvement store.