Physician Assistants, Nurse Practitioners, and Athletic Trainers
Allied health professionals, including physician assistants (PA) and nurse practitioners, work collaboratively with CSO physicians to provide comprehensive, patient-centered care. CSO’s licensed nurse practitioners and physician assistants are advanced practice clinicians. Working under physician supervision, they perform physical examinations, order tests, diagnose conditions, perform procedures and prescribe medication, among other duties.
Physician Assistant
Rachel J. Weber, PA-C
Licensed Physician Assistant
Rachel is a licensed physician assistant with a master’s degree in biomedical sciences (physician assistant training). She specializes in spine care. She is also certified in BioTE® bioidentical hormone replacement pellet therapy to optimize post-surgical recovery. Rachel is a member of the Colorado Academy of Physician Assistants, American Academy of Physician Assistants and North American Spine Society.
Specialties
- Spine care
- Patient education
License
Physician Assistant, State of Colorado
Medical Education and Training
Master’s Degree, Biomedical Sciences (Physician Assistant Education), University of Toledo, Toledo, OH
Certifications
Physician Assistant, State of Colorado
Hobbies
Hiking, backpacking, snowshoeing, skiing and spending time with her family and dogs
Testimonials & Reviews
Physician Assistant
Katherine Weisenborn, PA-C
Licensed Physician Assistant
Kate specializes in physical examinations, surgical assistance and providing patient and family education. She is a member of the American Academy of Physician Assistants.
Specialties
- History and physical exams
- Surgical assistance
- Patient/family member education (pre- and post-surgery)
License
Certified Physician Assistant, DORA, Colorado
Certified Physician Assistant, New Mexico Board of Medicine
Medical Training and Education
Physician Assistant Post Grad Internship, All Valley Women’s Care, Aspen, CO
Master of Science Degree, Physician Assistant Studies, Midwestern University, Glendale, AZ
General Surgery Master’s Practicum, Taos Surgical Specialties, Holy Cross Hospital, Taos, NM
Bachelor of Science Degree, Biology/Cell Physiology, University of Denver, Denver, CO
Indigenous Populations Culture Study, New Zealand Marine Biology and Plant Ecology
Certifications
DEA Controlled Substance Registration Certification
Basic Life Support
Advanced Cardiovascular Life Support
Professional Organizations
American Academy of Physician Assistants
Hobbies
Kate loves to do anything with her dog! She also enjoys skiing, hiking, biking, home improvements and finding new things to turn into art projects.
Testimonials & Reviews
Physician Assistant
Savannah Smith, PA-C
Licensed Physician Assistant
Savannah is a licensed physician assistant born and raised in Minnesota. She specializes in general orthopedic and sports medicine injuries, history and physical examinations, pre- and post-surgical education, and surgical assistance. She is a member of the American Academy of Physician Assistants.
Specialties
- History and physical exams
- Surgical assistance
- Patient and family education
License
Certified Physician Assistant, DORA, Colorado
Medical Training and Education
Master of Science Degree, Physician Assistant Studies, Valparaiso University, Valparaiso, IN
Certifications
DEA Controlled Substance Registration Certification
Basic Life Support
Advanced Cardiovascular Life Support
Professional Organizations
American Academy of Physician Assistants
Hobbies
Running, yoga, downhill skiing, camping and spending time with her family and dog at the lake.
Testimonials & Reviews
Nurse Practitioner
Kristina Venable, NP-C, MSN, RN
Licensed Nurse Practitioner
Kristina is a board-certified family nurse practitioner specializing in orthopedic pain management. Kristina practiced as a registered nurse for over 5 years in post-op surgical management caring for complex orthopedic and trauma patients. As a nurse practitioner, Kristina has experience treating patients in primary care and managing chronic health conditions. She also has experience treating musculoskeletal conditions, and completing trigger point injections, intra-articular joint injections and Botox for migraines and cervical dystonia. Kristina takes a holistic approach with her patients to identify and treat the root cause of their pain.
Specialties
- Pain Management
- Orthopedics
- Primary Care
License
Board Certification, American Academy of Nurse Practitioners
Certified Nurse Practitioner, DORA, Colorado
Medical Education and Training
Master of Science, Family Nurse Practitioner, University of Cincinnati
Bachelor of Science, Nursing, Denver College of Nursing,
Bachelor of Science, Integrative Physiology, University of Colorado Boulder
Certifications
DEA Controlled Substance Registration Certification
Basic Life Support
Advanced Cardiac Life Support
Hobbies
Kristina is a Colorado native and enjoys spending time outdoors, mountain biking, hiking, and snowboarding. She is always up for trying new local restaurants with friends and family.
Testimonials & Reviews
Patient Stories | Patient Reviews
Physician Assistant
Natalia Behnken, PA-C
Licensed Physician Assistant
Natalia is a licensed physician assistant. She specializes in history and physical examinations, pre- and post-surgical education, and surgical assistance. She is a member of the American Academy of Physician Assistants.
Specialties
- History and physical exams
- Surgical assistance
- Patient and family education
License
Certified Physician Assistant, DORA, Colorado
Medical Education and Training
Master of Science Degree, Physician Assistant Studies, Northern Arizona University, AZ
Certifications
DEA Controlled Substance Registration Certification
Advanced Cardiovascular Life Support
Basic Life Support
Professional Organizations
American Academy of Physician Assistants
Hobbies
Running, skiing, hiking, spending time with her family and dog, and trying new restaurants around Denver.
Testimonials & Reviews
Physician Assistant
Alexis Heartsfield, PA-C
Licensed Physician Assistant
Alexis is a licensed physician assistant from Houston, TX. She specializes in general orthopedic and sports medicine injuries, joint replacements of the hip and knee, history and physical examinations, pre- and post-surgical education, and surgical assistance. She is a member of the American Academy of Physician Assistants.
Specialties
- History and physical exams
- Surgical assistance
- Patient and family education
License
Certified Physician Assistant, DORA, Colorado
Certified Physician Assistant, Texas Medical Board
Medical Education and Training
Master of Science Degree, Physician Assistant Studies, Brenau University, Gainesville, GA
Bachelor of Science Degree, Applied Physiology and Kinesiology: Exercise Physiology, University of Florida, Gainesville, FL
Certifications
DEA Controlled Substance Registration Certification
Basic Life Support
Advanced Cardiovascular Life Support
Professional Organizations
American Academy of Physician Assistants
Hobbies
Soccer, yoga, skiing, golf, hiking and spending time with her wife and dog outdoors.
Testimonials & Reviews
Certified Athletic Trainer
Mark Zaccone, ATC
Certified Athletic Trainer
Mark first joined the Denver sports community in 2004 through an athletic training internship with the Colorado Rapids while studying at the University of Cincinnati. After graduating with a Bachelor of Science in Athletic Training, he returned to Denver in 2007 and began working at the physical therapy clinic of the Steadman Hawkins Clinic-Denver. Over his 15 years there, Mark worked with exceptional athletes across various levels of competition. He also provided outreach athletic training services for events throughout Colorado and across the United States, including serving as the Head Athletic Trainer for the Colorado Mammoth professional lacrosse team and covering United States Tennis Association Men’s Pro Circuit events. Currently, he works as an Athletic Trainer Spotter for the Denver Broncos as part of the National Football League gameday operations. In January 2025, Mark joined the Center for Spine & Orthopedics as the clinical athletic trainer for Dr. Jennifer J. Beck.
Specialties
Direct patient care
Injury evaluation and return-to-sport assessments
Pediatric orthopedics
Surgical assistance and clinic flow management
Patient education and communication
Medical documentation and protocol development
PRP blood draws and orthopedic casting
Licenses
Certified Athletic Trainer, BOC
Licensed Athletic Trainer, Colorado DORA
Licensed Surgical Assistant, Colorado DORA
Medical Training and Education
Bachelor of Science in Health Promotion & Education (Athletic Training emphasis),
University of Cincinnati, Cincinnati, OH
Certifications
Basic Life Support (BLS), American Heart Association
Foundations in Dry Needling for Orthopedic Rehab & Sports Performance
Therapeutic and Kinesiology Taping
Instrument Assisted Soft Tissue Mobilization (IASTM)
Selective Functional Movement Assessment (SFMA)
Contemporary Cupping, ICTA
Introduction to Dynamic Taping
Pilates Rehabilitation and Hypermobility (Polestar & APPI)
Professional Organizations
Athletic Trainers in the Physician Practice Society (ATPPS)
National Athletic Trainers’ Association (NATA)
Hobbies
Spending time woodworking, attending sporting events, and enjoying the outdoors with his family—hiking, camping, and fishing.
