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

Katrina Lynn Grosswiler, APRN

Individual provider Nurse Practitioner · NPI 1861269193

Katrina Lynn Grosswiler, APRN is a Nurse Practitioner in Fleming Island, Florida. Qualified in 2023, 3 years ago. Practices with Southeast Orthopedic Specialists LLC, a 145-clinician group, works from 11 locations and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
3
Licensed in
FL
In the registry since
2023
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

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Practice location Address checks out

4565 US Highway 17 Ste 200
Fleming Island, FL 32003-4823
Phone: (904) 634-0640
Fax: (904) 634-0203
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (10)

  • 2 Shircliff Way Ste 605, Jacksonville, FL 32204-4762 — (904) 634-0640
  • 10475 Centurion Pkwy N Ste 220, Jacksonville, FL 32256-5004 — (904) 634-0640
  • 4268 Oldfield Crossing Dr Ste 201, Jacksonville, FL 32223-8800 — (904) 634-0640
  • 15255 Max Legget Pkwy Ste 5300, Jacksonville, FL 32218-7274 — (904) 634-0640
  • 2627 Riverside Ave Ste 300, Jacksonville, FL 32204-4717 — (904) 634-0640
  • 2300 Park Ave Ste 206, Orange Park, FL 32073-5573 — (904) 634-0640
  • 232 Ponte Vedra Park Dr, Ponte Vedra Beach, FL 32082-6600 — (904) 634-0640
  • 216 Southpark Cir E Ste 216, St Augustine, FL 32086-5135 — (904) 634-0640
  • 1690 Us Highway 1 S Ste F, St Augustine, FL 32084-6024 — (904) 634-0640
  • 3055 County Road 210 W Ste 110, St Johns, FL 32259-7001 — (904) 634-0640

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence APRN11030046 (FL)

Record details

NPI number1861269193
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedDecember 6, 2023
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Southeast Orthopedic Specialists Llc — 145 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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