Trust & Credentials
Credentials you can verify
At Rehab Lab, every patient is treated by a licensed Doctor of Chiropractic, every visit. Here are the licenses, certifications, and affiliations behind that promise.
Rehab Lab is a sports chiropractic and rehabilitation practice with two Wisconsin clinics, in Wauwatosa and Appleton. Every doctor on our team is a licensed Doctor of Chiropractic, and you are treated by a doctor, never handed off to an aide.
7
Licensed Doctors of Chiropractic
2
Wisconsin clinics (Wauwatosa & Appleton)
5.0★
183+ Google reviews
Credentials & affiliations
Trusted, certified, and part of the community



Doctor credentials
Board certifications & training, by doctor
Degrees, board certifications, and advanced training for the doctors on our team.
Dr. Sam Wagner
Founder & Owner · Wauwatosa · Wauwatosa Office
- Doctor of Chiropractic (DC)
- DACBSP, Diplomate of the American Chiropractic Board of Sports Physicians
- CCEP, Certified Chiropractic Extremity Practitioner
- CSCS, Certified Strength and Conditioning Specialist
- Elite Provider, Active Release Techniques (ART)
- Master Dry Needling Certified (MDNC)
- Graston Technique, Corrective Exercise (CES) & Performance Enhancement (PES) Specialist
- SFMA, FMS, RockTape (FMT), DNS, EMT-B
- B.S. Biology, Lawrence University
Dr. Nate Williams
Lead Doctor · Appleton · Appleton Office
- Doctor of Chiropractic (DC)
- SFMA, Selective Functional Movement Assessment
- Trained in Dynamic Neuromuscular Stabilization (DNS)
- Dry needling and IASTM certified
Dr. Michael Markowski
Chiropractor · Appleton · Appleton Office
- Doctor of Chiropractic (DC), Palmer College of Chiropractic
- B.S. Biochemistry, UW-Stevens Point
- The Mally Method, Extremities (senior intern + 2-year residency)
- Master Dry Needling Certified (MDNC)
- Graston Technique (MI) & Craniofacial Release (CFR)
- SFMA, FMS, Flexion Distraction, MLS certified
Dr. Tony Lopez
Chiropractor · Wauwatosa · Wauwatosa Office
- Doctor of Chiropractic (DC), Northwestern Health Sciences University
- Emphasis in sports and rehabilitation
- B.S. Biology, University of Wisconsin-Stevens Point
Dr. Nick Agen
Chiropractor · Wauwatosa · Wauwatosa Office
- Doctor of Chiropractic (DC) with honors, Northwestern Health Sciences University
- M.S. Exercise Science, Concordia University, St. Paul
- B.S. Pre-Medical Biology, Saint Norbert College
- Emergency Medical Technician (EMT)
- SFMA & FMS movement assessment
- MRT (Myofascial Release Technique)
- FAKTR soft-tissue certified
- Diversified & Flexion Distraction technique
- Dynamic taping and strapping
- Dry needling certified
Dr. Peda Moua
Chiropractor · Appleton · Appleton Office
- Doctor of Chiropractic (DC), Palmer College of Chiropractic
- B.S. Kinesiology, University of Wisconsin-Oshkosh
- Pursuing Certified Chiropractic Sports Physician (CCSP)
- Advanced Soft Tissue Rehab
- SFMA & FMS movement assessment
- IASTM (Instrument Assisted Soft Tissue Mobilization)
- Active Release Technique
- Dry needling certified
Looking for something specific? Contact us and we’ll be glad to share license and insurance details.
Ready to fix the cause, for good?
Treated by a credentialed doctor who builds you a real plan, every visit.
Wauwatosa · Appleton · No referral needed