Quick answers
- Which hospitals does Stephen R. Arndt work at?
- Medicare's official clinician data lists Stephen R. Arndt at 5 hospitals: Ascension St Vincent's Riverside, Ascension St Vincent's Southside, Ascension St Vincent's St Johns County, Baptist Health Medical Center - Jacksonville and Baptist Medical Center - Nassau. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen R. Arndt see patients?
- Medicare's clinician data lists 10 practice locations, including Jacksonville, FL, Orange Park, FL and Ponte Vedra Beach, FL. Call before your visit to confirm the address.
- What is Stephen R. Arndt's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Stephen R. Arndt accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen R. Arndt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Stephen R. Arndt?
- (904) 634-0640, as listed in official Medicare / NPI Registry data.
- What is Stephen R. Arndt's NPI number?
- 1346301322. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen R. Arndt works
Medicare's Facility Affiliation Data lists Stephen R. Arndt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension St Vincent's RiversideJacksonville, FL · Acute Care Hospital · CCN 100040
- Ascension St Vincent's SouthsideJacksonville, FL · Acute Care Hospital · CCN 100307
- Ascension St Vincent's St Johns CountySt. Johns, FL · Acute Care Hospital · CCN 100361
- Baptist Health Medical Center - JacksonvilleJacksonville, FL · Acute Care Hospital · CCN 100088
- Baptist Medical Center - NassauFernandina Beach, FL · Acute Care Hospital · CCN 100140
Practice locations
Addresses where Stephen R. Arndt is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 10475 Centurion Pkwy NJacksonville, FL 32256 (904) 634‑0640
- 15255 Max Leggett Pkwy, Suite 5300Jacksonville, FL 32218 (904) 634‑0640
- 2110 Herschel StJacksonville, FL 32204 (904) 634‑0640
- 2300 Park Ave, Suite 206Orange Park, FL 32073 (904) 634‑0640
- 232 Ponte Vedra Park DrPonte Vedra Beach, FL 32082 (904) 634‑0640
Group practices
Medicare enrollment lists Stephen R. Arndt as a member of this group (CMS data updated 2026-10-02).
- Southeast Orthopedic Specialists LLC145 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Jacksonville
Clinicians with the same Medicare primary specialty in Jacksonville, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346301322 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians