What Patients Are Saying*

3 months ago
I recently received a PRP injection from Dr. Lewis to address pain and limitations in my surgically repaired knee. Dr. Lewis took the time to thoroughly explain the PRP injection procedure, answering all of my questions with patience and expertise. His confidence and reassuring demeanor instilled a sense of trust, allowing me to feel comfortable throughout the treatment. Within about 8 weeks post-injection, I was back on my feet and actively engaging in the activities I love with greater than 80% relief. The PRP injection not only expedited my recovery but also significantly improved the way my knee feels. I currently have close to 100% relief of pain. I couldn't be happier with the results. Thanks to Dr. Lewis and his team, I am now able to fully enjoy my active lifestyle again, feeling great and with renewed confidence in the health of my knee. Northwest Center for Regenerative Medicine delivers care with professionalism and compassion. I highly recommend Dr. Lewis and his team to anyone seeking greater function and pain relief!
Branden Boedcher
3 months ago
I recently received a PRP injection from Dr. Lewis to address pain and limitations in my surgically repaired knee. Dr. Lewis took the time to thoroughly explain the PRP injection procedure, answering all of my questions with patience and expertise. His confidence and reassuring demeanor instilled a sense of trust, allowing me to feel comfortable throughout the treatment. Within about 8 weeks post-injection, I was back on my feet and actively engaging in the activities I love with greater than 80% relief. The PRP injection not only expedited my recovery but also significantly improved the way my knee feels. I currently have close to 100% relief of pain. I couldn't be happier with the results. Thanks to Dr. Lewis and his team, I am now able to fully enjoy my active lifestyle again, feeling great and with renewed confidence in the health of my knee. Northwest Center for Regenerative Medicine delivers care with professionalism and compassion. I highly recommend Dr. Lewis and his team to anyone seeking greater function and pain relief!
Branden Boedcher
7 months ago
Dr Lewis and his Regenexx team in Spokane were delightful during my 4 days there. I received stem cell and PRP treatments and my knee has been giving me exciting days since week 4.5. I have days when I feel remarkable improvements, and some with slight setbacks, but overall it's been a most positive trend. I'm at week 9 and enjoying very little pain and more stability, and I'm working on finding better balance again. I'm still a ways away from putting on a ski touring pack and heading up big slopes, but I trust I will keep on feeling more exciting new improvements. Thanks so much for all your great work!!
Martha Mccallum
7 months ago
Dr. Lewis is great! Very detailed and thorough during his consultations and is very knowledgable. The office has a great atmosphere and they make you feel very welcome/comfortable during every aspect of the treatment.
Riann Quinn
12 months ago
My husband is a firefighter, 49 years old, and has had shoulder pain for years. He had to have surgery, on his right shoulder which only temporarily took the pain away and involved 3 months of recovery, intense pain, and physical therapy. We were thinking he was going to have to have surgery on his left shoulder this time and on his right again; however, we heard of Regenexx (Dr. Lewis), so we thought we'd give that a try. My husband now has zero pain in his left shoulder and rarely feels pain in the right, which is still improving, so we are excited to see what the next year brings. He said his left shoulder feels like it did before he injured it and his right feels almost as good as new again. Previously he experienced pain 100% of the time in both. Regenexx has been a huge blessing in our lives! He is enjoying life again and feeling better than ever!
S. Fitzgerald
2 years ago
Dr. Lewis and staff are so very kind, and the stem cell process and procedure worked like a charm for me! After a year and a half of not walking, not exercising, and not existing- I just dealt with doctors telling me my only hope was disc replacements or spinal fusions. I finally met with an orthopedic surgeon in Denver that led me to Dr. Lewis and the regenerative medicine he provides. I will never look back! Within DAYS of the procedure I was able to do things I hadn’t in years, and still find myself slowing down to make sure I’m giving myself healing time because I feel phenomenal ALL the time!!! Regenerative medicine is the future! Look into this before steroids, fusions, or something else synthetic! Absolutely adore this team!! Ps: my husband was injured in the Gulf war when he was in the Air Force and was in constant pain for decades. Dr. Lewis and his team has provided his ONLY constant relief and healing ❤️‍ !! We’re both looking forward to what our future looks like!
Lisa Dosher
2 years ago
I have had a right knee and left hip replacement and am now using PRP injections in my left knee and right ankle to prevent any more surgery. After the injections, my joints feel amazing - much less pain and stiffness. The staff at Northwest Center for Regenerative Medicine have been so helpful in giving me all the information I need to help heal my joints. I would highly recommend them to anyone that wants to stay active and not let arthritis dictate their lifestyle.
Sue Harris
2 years ago
Dr. Lewis and his well qualified Team At Northwest Center of Regenerative Medicine, were more than helpful and informative about each procedure that was going to be done to help my Right Knee. They went through each step that was going to take place. During each procedure the Team and Dr. Lewis asked calmly how I was and that really kept me very calm and relaxed. It has been 2 months since my procedure and I am really feeling very pain free and feel the great outcome each day. I can finally do things bending and walking up and downstairs that I have not been able to do in years. I recommend everyone go with this procedure regardless of age, It is so worth it.
Cynthia Therriault
2 years ago
Knee replacement was the only choice I was offered- twice. That just was not the best choice for me personally. I did my research and chose to see if stem cell regeneration would work. I had very high hopes- and Dr Lewis and crew came through with flying colors. It’s just been two weeks since my procedure and I am very pleased with results. Hoping for continued improvement- but I’m walking, climbing stairs and have no pain. Eight week mark. I have finished six weeks of physical therapy. I’m calling this my own little miracle. Every day is better than yesterday and I know that progression will continue for months to come If you are having joint difficulty do yourself a favor and check out Regenerex before you let the surgeons replace your joint. It’s heavenly to be walking, climbing, squatting and exercising with no pain Special thanks to Dr Lewis, Johanna and crew.
Jan Esquivel
2 years ago
I wanted to take the time and set out my experience with Dr. Lewis and Northwest Center for Regenerative Medicine. I first received PRP injections 12 years ago in Broomfield Colorado at the Centeno-Schultz Clinic where the Regenexx system was developed. One of My Doctors recommended Regenexx, as it had worked for him on his Left knee. Throughout out my life I have been extremely active, I played 30 years of competitive Handball, running, weight training, Biking, Kayaking, Judo. At 67 it caught up with me, My Doctors recommended surgery to repair the damage. I have had enough surgeries (ACL Left knee repair, Right Achilles Tendon Repair, Bi-lateral hernias, Steroid injections) and needed to find an alternative to months of down time and wanted to avoid post-surgical complications. The PRP and Stem Cell injections were successful at re-growing cartilage in my Left Shoulder, and eliminating my neck pain, dizziness, and balance problems. For two years I was symptom free, however age and activity caught up with me again. Four years ago, we moved to Coeur d Alene full time. It’s difficult and expensive to travel to Colorado for treatment. Centeno-Shultz has been training Doctors for several years with their advanced PRP and Stem Cell Treatments. I found Northwest Center for Regenerative Medicine and Dr. Lewis 3 years ago in the Regenexx directory. Two and a half years ago I set up an appointment and had a detailed evaluation of my physical condition. Dr. Lewis performed PRP in my cervical and Lumbar spine. I was back to normal in about two months. However, nothing last forever. A lot of my problems returned. I went back to Dr. Lewis February 1, 2022 and had a second treatment. I am two weeks out and feeling much better. Starting my rehabilitation schedule next week. I completely recommend Dr. Lewis and the Staff at Northwest Center for Regenerative Medicine, they are extremely component, professional and treat everyone with respect.
Michael Sullivan
3 years ago
I have a different perspective as I am NOT a client of Dr. Nemri. however my mom Cindy is. I am her 42 year old son. She cares for me as I am disabled. For years, I watched my mom suffer with pain caused by the rare condition she has. It was like noone cared, noone listened and more important ~ it was like other Drs, didn't believe her. Then she met this guy! She has been with Dr Nemri for about 4 years now. I have my mom back... I have learned that chronic pain, ruins the quality of life. People don't realize that when someone you love is in pain, it effects others too. Thank You, Dr. Nemri and your staff too. (Mom talks about how wonderful they are).
Nathan Tracy
3 years ago
I had a severe case of a herniated disc and needed two treatments but they worked well. Maintaining with physical therapy is key. The staff at Northwest Center for Regenerative medicine were very friendly and professional. I recommend them to all who are interested in this kind of medicine. Thanks again Dr. Lewis! My back is feeling much better these days!
Jason Laughery
3 years ago
Dr. Nemri is absolutely the most compassionate, gentle, intelligent doctor I have ever had! He knows exactly where to give the injections and explains everything as he continues to administer the procedure! I highly recommend him and really appreciate his kindness ????
Joan Nelson
4 years ago
I have never had a bad experience and I am welcomed every dr visit with open arms. I feel that my dr Truly cares for each of his patients individually and definitely recommend him. Thank you so much NWSP for all that you continue to do and all that you have done to make me feel comfortable.
Rosa Belcourt
4 years ago
I MET DR. GHASSAN ON JUNE 12, 2020. I'M 77 YEARS OLD AND HAVE SEEN A LOT OF DOCTORS DUE TO HAVING SEVERAL HEALTH ISSUES. I FOUND HIM TO BE VERY THOROUGH IN HIS EXAMINATION OF ME, IN THAT, HE ASKED QUESTIONS THAT COULD HAVE BEEN RELATED TO THE REASON I WAS SEEING HIM. I FOUND HIS STAFF TO BE EXCEPTIONALLY CONSIDERATE AND HELPFUL. I WILL DEFINITELY CONTINUE HAVING HIM AS THE DR. TO SEE FOR MY MEDICAL CONDITION. I DEFINITELY RECOMMEND HIM AS A DR. DEDICATED TO HELP YOU. I WILL CONTINUE TO POST AS TIME GOES BY. M. PHIPPS
M. Phipps
4 years ago
Dr.Lewis & his staff are amazing!! Not being a candidate for surgery, nor wanting to have surgery done, I was introduced to Regenexx. I will admit that I was very nervous, that is , until I met Dr. Lewis & his staff. Greatly appreciated their caring & concern for me. I now have had 3 PRP procedures done on different body parts. I haven't missed a day of work either. This amazes me that a person can have PRP or Stem Cell therapy now instead of surgery. If you have been told you need surgery, please call Regenexx & talk to them about your options. I am 1 year out from my 1st procedure & my shoulder is doing great! No pain.
Jolynn Foust
4 years ago
I finished my stem cell & PRP's today, I am thrilled, excited, grateful. I will do what Dr Lewis said for the next 9 months, I will treat myself gently for the next year so as not to screw this treatment up. Dr Lewis & his team are professional, caring, kind...I will recommend Regenexx to anyone. I'm bringing my Aunt soon so get stem cells in her knee. Thank you SO much Regenexx!
Julie Ellis
4 years ago
Dr Lewis is professional, caring & humble. His staff is kind &friendly.
Cecilia Farstad
4 years ago
This is my first consultation! It went very well; everything was explained well and very caring and understanding staff! Dr. Lewis was very professional @ kind!
Kathy M
5 years ago
Dr. Lewis & his staff are great!! Surgery was not an option for me when I needed my shoulder & back fixed. I had PRP. done almost 1 year ago & I feel 100% better & have full mobility back in my shoulder. i was able to go to work the next day pain free. plus, PRP through NWCRM is much more cost effective in comparison to surgery. Thank you Regenexx!!
Jolynn Foust
5 years ago
Dr. Lewis & his staff are great!! Surgery was not an option for me when I needed my shoulder & back fixed. I had PRP. done almost 1 year ago & I feel 100% better & have full mobility back in my shoulder. i was able to go to work the next day pain free. plus, PRP through NWCRM is much more cost effective in comparison to surgery. Thank you Regenexx!!
Jolynn Foust
5 years ago
I had a partial tear in my bicep tendon and did not have time to recover from shoulder surgery, which is generally 4 months. I opted instead to have stem cell injections. Dr. Lewis and his staff were very professional and explained the procedure thoroughly. After 2 months, I am back to swimming a mile every other day and bicycling almost every day. I would highly recommend Northwest Center for Regenerative Medicine to anyone who is a good candidate for this procedure.
Donna Larsen
5 years ago
Dr. Lewis and Amanda were always very professional and courteous. He did a thorough examination and made recommendations for the areas to receive platelet injections. The primary goals were my knees and neck with improvement in all those areas. I also had injections in one hip and shoulder but had minimal to no pain relief. However, am very grateful for some reduction in pain which is more than I an say for many other medical procedures I've had! Thank you Dr. Lewis and Amanda!
Stephanie Huntley
5 years ago
I had my nine week follow up appointment today after having stem cell replacement therapy for my knee. I am so thankful for Dr Lewis, his awesome team, and this procedure! Prior to the stem cell therapy I could often barely walk. Today I am pain free, and my knee feels like it did 20 years ago! I can now sleep again at night without pain or discomfort which is HUGE, and am back in the outdoors again doing the things I love. So grateful to Northwest Center for Regenerative Medicine and their staff! I highly recommend them!
Kelly Merrick
5 years ago
I am a 62 year old male patient that has been very active throughout my life. In the past several years I noticed an overwhelming increase in the pain I feel in my knees and shoulders. The pain in my knees, primarily my left knee, had gotten to the point where it was interfering with my day to day living, dramatically limiting me to what I could do. I had received some information on regenerative therapy and did some researching on my own. I contacted Northwest Center for Regenerative Therapy and set up an appointment to have a procedure on my left knee. On August 9, 2018 Dr. Lewis performed a PRP procedure on my left knee. It has been five months and I could not be happier, I not only am pain free but I have my life back. I'm hiking regularly and I work out at the gym almost daily. Thank you Dr. Lewis for giving me my life back it has been nothing short of miraculous. P.S I just recently had both my shoulders done and can't wait to see how they turn out.
Lee Slemp
5 years ago
Regenexx Stem Cell and Platelet Therapy is in a class by itself. No magic pixie dust here, just effective treatment based on real science and data. Avoiding painful surgery on my cervical spine was a priority for me. Dr. Jamie Lewis and his team at Northwest Center for Regenerative Medicine (the only Regenexx Clinic in eastern Washington/north Idaho area) clearly explained my treatment options and how to get the best results possible. The platelet procedure has helped tremendously with pain and mobility issues and I look forward to enjoying an active summer in the beautiful northwest!
Becky Funk
5 years ago
I have been a patient of Dr Lewis for several years and always find him to be kind, thoughtful, and communicative. The staff are all professional and easy to work with.
Betsy Lawrence
5 years ago
Dr. Lewis has helped me get back to my active lifestyle! I was having so much pain in my lower back I was not able to garden or work on improvements to my property. At one point I could barely walk and in so much pain I had to be taken to ER for pain injections! I heard about Dr. Lewis from a co-worker and scheduled an appointment. Dr. Lewis evaluated my condition and recommended treatment. After the treatment he recommended (3 months ago) I am shoveling, fence building, moving bales of hay without even thinking about my back! NO PAIN! THANK YOU DR. LEWIS! I was so worried I would have to have surgery. That is no longer a worry!
Bonnie C Cooley
5 years ago
I had a partial tear in my bicep tendon and did not have time to recover from shoulder surgery, which is generally 4 months. I opted instead to have stem cell injections. Dr. Lewis and his staff were very professional and explained the procedure thoroughly. After 2 months, I am back to swimming a mile every other day and bicycling almost every day. I would highly recommend Northwest Center for Regenerative Medicine to anyone who is a good candidate for this procedure.
Donna Larsen
5 years ago
Dr. Lewis has helped me get back to my active lifestyle! I was having so much pain in my lower back I was not able to garden or work on improvements to my property. At one point I could barely walk and in so much pain I had to be taken to ER for pain injections! I heard about Dr. Lewis from a co-worker and scheduled an appointment. Dr. Lewis evaluated my condition and recommended treatment. After the treatment he recommended (3 months ago) I am shoveling, fence building, moving bales of hay without even thinking about my back! NO PAIN! THANK YOU DR. LEWIS! I was so worried I would have to have surgery. That is no longer a worry!
Bonnie Cooley
5 years ago
Dr. Lewis has helped me get back to my active lifestyle! I was having so much pain in my lower back I was not able to garden or work on improvements to my property. At one point I could barely walk and in so much pain I had to be taken to ER for pain injections! I heard about Dr. Lewis from a co-worker and scheduled an appointment. Dr. Lewis evaluated my condition and recommended treatment. After the treatment he recommended (3 months ago) I am shoveling, fence building, moving bales of hay without even thinking about my back! NO PAIN! THANK YOU DR. LEWIS! I was so worried I would have to have surgery. That is no longer a worry!
Bonnie Cooley
5 years ago
Treated very well and felt they listened and explained everything wonderful.
Healthgrades User
6 years ago
I've had multiple lumbar / cervical disc injuries with formanial stenosis & severe spinal stenosis @ L-4-5.....i was about to go through spinal fusion. Thankfully I found regenexx & Dr. Nemri. I decided to try this first. On 8/22/18 I had 15 injections PLP PRP SCP....S-1 through L-5. I'll be back soon to give what I believe will be a positive report!! Thank you
David Boyd
6 years ago
He answered all my questions very thoroughly. He also has a great sense of humor which I enjoyed. When performing a procedure on my back, he was sympathetic and sorry to be causing pain. I really like Dr. Nemri.
Tkbb In Spokane, Wa
6 years ago
I am happy with the staff and Dr Jamie Lewis. They explain everything to me about my treatment.
Healthgrades User
6 years ago
I had my first appt with Dr Nemri a week ago and was very pleased with the appt. He listened and was very gentle and apologetic during my exam. I look forward to a long relationship with my new doctor.
Nancy In Mead
6 years ago
I was a patient of Dr. Nemri's for 10+ years in Richland, WA. Once he moved to Spokane I was treated very poorly by the clinic and asked to leave because they weren't being reimbursed enough from my insurance. Since then I have struggled to find anyone to measure up to the care I received from Dr. Nemri. I'm seriously considering the 2hour drive to see him. He is that good folks. I have psoriatic arthritis among many other issues. He's the Dr. For me!! Kind, patient and caring. Beckie Patrick
Rebecca (beckie) Patrick In Richland, Wa
7 years ago
In 2015 I had a cervical Fusion C4_6 & lumbar Fusion L3_5 the neurosurgeon missed placed a screw and it's in the disk space instead of the bone. Now I need a SI joint Fusion. Dr. Lewis has kept from having surgery through injections, prior to the injections there are days I cannot walk, pain is so intense I can't even put my shoes on. Dr. Lewis is fast and professional and kind, his staff is sweet his offices are comfortable. I have seen Sean and he is so good at his job. Highly recommended.
Nan Garvin In Spokane
7 years ago
Dr. Lewis and his team were great! They explained everything so that I could understand what was going on with my back . I am very thankful !
Spokane, Wa
7 years ago
First contact was wonderful, learned a lot, looking forward to being pain free if possible.
Spokane, Wa
7 years ago
I have been a patient of Dr. Nemri since 2008 until June of 2016. I have gone of of all pain meds since then. I am sorry to hear that he left the Kennewick area but am glad I found him again. If I need him in the future I will call him, he is the best. I injured my back while in Grade school and now am basically pain free other than standard old age pain. I am 81 this year and so thankful for Dr. Nemri
Louise Armstrong In Kennewick, Wa
7 years ago
I have seen Dr. Nemri 4 x a year for eight years for an injection in my back. My injections have been very successful. Since he moved to Spokane, I will travel there from Prosser to continue his successful treatment.
Barbara Larsen In Prosser, Wa

*DISCLAIMER: Like all medical procedures, Regenexx® Procedures have a success and failure rate. Patient reviews and testimonials on this site should not be interpreted as a statement on the effectiveness of our treatments for anyone else.

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