Katrina Lynn Grosswiler , APRN
Nurse Practitioner • Fleming Island, FL
Professional Overview & Biography Verified Profile Summary
Katrina Grosswiler, APRN is a certified Nurse Practitioner practicing in Fleming Island, FL. With approximately 3 years of clinical experience since completing medical education in 2023, Katrina Grosswiler delivers high-quality medical care to the local community at 4565 US HIGHWAY 17 STE 200.
Katrina Grosswiler is affiliated with Southeast Orthopedic Specialists Llc and accepts Medicare assignment.
Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient outpatient office visit, x-ray of wrist, minimum of 3 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
4565 Us Highway 17 Ste 200
Fleming Island, FL 320034823
Medicare Profile & Education
Other
2023
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Fleming Island, FL
Practicing in Fleming Island, FL (8990 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
J3301
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
|
277 | 46 | $4.13 | $0.92 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
62 | 54 | $273.96 | $75.08 |
|
73110
X-ray of wrist, minimum of 3 views
|
62 | 32 | $118.11 | $33.03 |
|
99212
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
|
52 | 50 | $167.28 | $45.83 |
|
J0702
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg
|
49 | 14 | $21.63 | $7.28 |
|
73130
X-ray of hand, minimum of 3 views
|
27 | 16 | $106.32 | $29.89 |
|
20604
Aspiration and/or injection of fluid from small joint using ultrasound guidance
|
23 | 22 | $296.85 | $81.44 |
|
20600
Aspiration and/or injection of fluid from small joint
|
22 | 16 | $187.06 | $42.79 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
20 | 20 | $389.10 | $106.12 |
|
20605
Aspiration and/or injection of medium joint or joint capsule
|
20 | 20 | $180.74 | $46.48 |
|
25609
Treatment of 3 or more broken lower forearm bone pieces on thumb side inside wrist joint with placement of stabilizing device
|
12 | 12 | $1346.40 | $144.12 |
Medical Specialties & State Licenses
CMS Verified: 2025-07-28NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Additional State Medicaid & Healthcare Payer Identifiers
Hospital & Practice Group Affiliations
Southeast Orthopedic Specialists Llc
10475 Centurion Pkwy N, Jacksonville, FL 322565004
Phone: 9046340640
Secondary Practice Locations
2300 Park Ave Ste 206
Orange Park, FL 320735573
Phone: 9046340640
216 Southpark Cir E Ste 216
St Augustine, FL 320865135
Phone: 9046340640
2 Shircliff Way Ste 605
Jacksonville, FL 322044762
Phone: 9046340640
4268 Oldfield Crossing Dr Ste 201
Jacksonville, FL 322238800
Phone: 9046340640
3055 County Road 210 W Ste 110
St Johns, FL 322597001
Phone: 9046340640
10475 Centurion Pkwy N Ste 220
Jacksonville, FL 322565004
Phone: 9046340640
2627 Riverside Ave Ste 300
Jacksonville, FL 322044717
Phone: 9046340640
232 Ponte Vedra Park Dr
Ponte Vedra Beach, FL 320826600
Phone: 9046340640
1690 Us Highway 1 S Ste F
St Augustine, FL 320846024
Phone: 9046340640
15255 Max Legget Pkwy Ste 5300
Jacksonville, FL 322187274
Phone: 9046340640
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Physician Assistant
Physician Assistant (Certified)
Chiropractor
Doctor of Chiropractic
Physical Therapist
Physical Therapist, Doctor of Physical Therapy, EPC
Orthopaedic Surgery
Doctor of Medicine (M.D.)
Physical Therapist
Doctor of Physical Therapy
Nurse Practitioner - Family
Advanced Practice Registered Nurse
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 4565 US HIGHWAY 17 STE 200, FLEMING ISLAND, FL 320034823 (Tel: 9046340640)
Recorded as KATRINA GROSSWILER, APRN
Registered at 2300 PARK AVE STE 206, ORANGE PARK, FL 320735573 (Tel: 9046340640)
Nurse Practitioner (License #APRN11030046 in FL)
NPI status registered as active in NPPES database
Registered at 4565 US HIGHWAY 17, FLEMING ISLAND, FL 320034842 (Tel: 9046340640)
Registered at 609 CARRACK CT, SAINT MARYS, GA 315582621 (Tel: 9045575114)
Recorded as KATRINA GROSSWILER, DNP
Nurse Practitioner (License #11030046 in FL)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Katrina Grosswiler
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
609 Carrack Ct
Saint Marys, GA 315582621
Phone: 9045575114
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.