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image of Kelsey Diemer, DO
image of Kelsey Diemer, DO

Kelsey Diemer, DO

4.9 out of 5 stars

254 ratings, 131 comments
LEE PHYSICIAN GROUP
Accepting New Patients
Doctor Video

Locations

Overview

Clinical Interests:

Shoulder - Rotator cuff tendonitis and impingement, adhesive capsulitis, partial thickness cuff tears, bicep tendonitis, scapular dyskinesis, GH and AC arthritis, AC separation, calcific tendonitis, OA, dislocation
Elbow - Epicondylitis, UCL sprain, apophysitis, olecranon bursitis, non-displaced radial head fractures. 
Wrist - De Quervain’s tenosynovitis, intersection syndrome, ECU tendonitis, non-displaced distal radius fracture. 
Hand - mallet finger, MCP and CMC arthritis, trigger finger
Hip - Trochanteric bursitis, IT band, OA, hamstring tears/pulls/strains, quad tears/pulls/strains, adductor tears/pulls/strains, piriformis, iliopsoas tears/pulls/strains, hip pointer, gluteus minimus tears/pulls/strains.
Knee - patellofemoral pain, chondromalacia patella, patellar tendonitis, OA, patella dislocation, non-displaced patella fracture, MCL tears/pulls/strains, degenerative meniscus medical management, gel injections
Spine - if acute pain (past 24 to 48 hours, with no prior spine surgery).
Ankle and Foot - Ankle tears/pulls/strains, high ankle tears/pulls/strains, peroneal tendinopathy, posterior tib tendinopathy, Achilles tendonitis, foot pain, metatarsalgia, turf toe, hallux valgus, plantar fasciitis, acute fractures for toe, foot and ankle 
Hamstring – tears/pulls/strains 
Groin Injuries - tears/pulls/strains - these issues are usually described as Groin pain and is generally caused by a pulled muscle, tendon or ligament and sometimes from hip arthritis. (will not treat pelvic fractures).
 

Languages Spoken:

English

Patients Treated:

Adolescents
Young Adults
Adults

Biography

Dr. Diemer is a sports medicine physician who specializes in the diagnosis and non-surgical treatment of acute and chronic orthopedic conditions.  She completed her fellowship at the University of Florida where she gained additional training in ultrasound guided procedures. Dr. Diemer enjoys helping patients of all activity levels reach their goals in athletics, competition and in living a healthy life. When she is not working to help patients, she likes to spend time with her husband and their rescued dog. 

Meet the Doctor

Education & Training

Medical School:

Lake Erie College of Osteopathic Medicine

Residenc(ies):

Naples Community Hospital Internal Medicine Program

Fellowship(s):

University of Florida College of Medicine

Board Certification(s):

American Board Of Internal Medicine, American Board of Emergency Medicine/Sports Medicine

Patient Reviews

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions.

Please see our FAQ page for more information.

  • 4.9out of 5 stars

    Explained Things Clearly

  • 4.9out of 5 stars

    Involved in Care Decisions

  • 4.9out of 5 stars

    Spent Enough Time

  • 4.9out of 5 stars

    Listened Carefully

  • 5.0out of 5 stars

    Showed Courtesy & Respect

  • 4.9out of 5 stars

    Likelihood to Recommend

4.9 out of 5 (254 ratings, 131 comments)

  • Jun 7, 2025

    Dr Diemer is excellent. She’s professional and kind. She listens well, and answers all my questions. She explained my condition and my treatment options. I would definitely recommend her.

  • Jun 7, 2025

    Doctor was absolutely wonderful. So thrilled with all the information I received!!!

  • Jun 6, 2025

    Dr Diemer is an excellent physician, knowledgeable, compassionate and very helpful. I would highly recommend her.

  • Jun 6, 2025

    Every one was great 😊

  • Jun 5, 2025

    The Doctor herself was outstanding, she was kind, respectful and patient. I had a lot of questions and she to the time to answer them and ensured that I full understand what she was saying,

  • Jun 5, 2025

    The doctor and assistant made me feel safe and comfortable

  • Jun 5, 2025

    Dr. Diemer took the time to listen and understand my concerns.

  • Jun 4, 2025

    The nurse was very nice and friendly. Great frinedly uplifting conversation. Dr. Diemer was very uplifting and helpful over all above and beyond for other issue outside of her practice. [ ] Immensely appreciate her time and help with that matter. As well as pu lling [ ] and taking the time to explain them. I felt more at ease over all and moving forward with results of viewing them. Thank you, Kind regards [ ].

  • Jun 3, 2025

    Everyone was great! So important on doing their jobs correctly! Could not ask for any better than them thank you👍🏻👏🏻😃

  • Jun 1, 2025

    Dr Diemer was very good at explaining everything. I felt I was in hands with her and left with a good understanding of my problems.

  • May 30, 2025

    So glad I scheduled an appointment with Dr Diemer

  • May 27, 2025

    Everyone was great

  • May 27, 2025

    The doctor’s nurse. She was so sweet.

  • May 27, 2025

    I can’t say enough about how calm and cared for I felt starting with the reception to he doctor. My thanks to Grace [ ] for guiding me in making my decision..Kelsey for explaining the routine to a “first timer…Natalie for keeping me grounded prior to the [ ] a nd of course DrDiemer who explained everything as she did it. I felt very calm and safe and did not experience the [ ] some said I would. Thank you all for your professionalism and kindness. I have already gave your names to friends.

  • May 26, 2025

    Honestly, I have never had a difficult interaction with anyone in the Lee Health system. I value your growth in the community and your commitment to excellence. The facility at Coconut Point is first rate and a boon to the area.

  • May 25, 2025

    Kelsey is an outstanding doctor and just makes you feel so comfortable during the appointment. She listens and shows that she is concerned too. She is so knowledgeable and has a way of making you know she cares and is concerned about your health issues. I am s o thankful that I had this appointment with her and wish she would always be my [ ], but definitely will see her again when I return to FL. I am from [ ] and she is definitely a MN Friendly Person!

  • May 24, 2025

    Front desk

  • May 24, 2025

    Very friendly and gentle

  • May 23, 2025

    We loved Dr. Diemer she actually listened and was concerned for my husband and referred us to nerve analysis. I would definitely go back with her .

  • May 22, 2025

    Dr. Diemer, Natalie and Paige were all professional, knowledgeable and friendly. Kendall was very helpful in setting up a timely appointment for me.

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