Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Kelsey June Diemer, DO

Individual provider Sports Medicine (Internal Medicine) Physician · NPI 1770043150

Kelsey June Diemer, DO is a Sports Medicine in Estero, Florida. Qualified in 2019, 7 years ago. Practices with Lee Health System Inc, a 1,375-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
7
Licensed in
FL
In the registry since
2019
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

23450 Via Coconut Pt
Estero, FL 34135-1877
Phone: (239) 343-9696
Fax: (239) 343-4198
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 24040 S Tamiami Trl Ste 202, Bonita Springs, FL 34134-7040 — (239) 624-7100
  • 8960 Colonial Center Dr Ste 206, Fort Myers, FL 33905-7810 — (239) 343-9696

Specialties & licences

Sports Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0010X · Licence OS20212 (FL)

Record details

NPI number1770043150
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 22, 2019
Last updated in NPPESNovember 6, 2025
Certification dateNovember 6, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtySPORTS MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Lee Health System Inc — 1375 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Estero