Quick answers
- Which hospitals does William J. Seemer work at?
- Medicare's official clinician data lists William J. Seemer at 5 hospitals: AdventHealth Palm Coast, AdventHealth Palm Coast Parkway, Ascension St Vincent's Southside, Ascension St Vincent's St Johns County and HCA Florida Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William J. Seemer see patients?
- Medicare's clinician data lists 5 practice locations, including Jacksonville, FL, Sarasota, FL and St Johns, FL. Call before your visit to confirm the address.
- What is William J. Seemer's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does William J. Seemer accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Seemer 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 William J. Seemer?
- (512) 730-3056, as listed in official Medicare / NPI Registry data.
- What is William J. Seemer's NPI number?
- 1346878956. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William J. Seemer works
Medicare's Facility Affiliation Data lists William J. Seemer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Palm CoastPalm Coast, FL · Acute Care Hospital · CCN 100118
- AdventHealth Palm Coast ParkwayPalm Coast, FL · Acute Care Hospital · CCN 100363
- 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
- HCA Florida Memorial HospitalJacksonville, FL · Acute Care Hospital · CCN 100179
Practice locations
Addresses where William J. Seemer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Shircliff WayJacksonville, FL 32204 (512) 730‑3056
- 1700 S Tamiami TrlSarasota, FL 34239 (440) 542‑5000
- 205 Trinity WaySt Johns, FL 32259 (904) 450‑8120
- 3625 University S BlvdJacksonville, FL 32216 (904) 399‑6111
- 60 Memorial Medical PkwyPalm Coast, FL 32164 (386) 586‑2000
Group practices
Medicare enrollment lists William J. Seemer as a member of these groups (CMS data updated 2026-10-02).
- Inpatient Consultants of Florida, Inc156 clinicians in the group
- Hni Medical Services of Florida, LLC107 clinicians in the group
- Sound Physicians of Florida IV, LLC45 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Jacksonville
Clinicians with the same Medicare primary specialty in Jacksonville, FL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346878956 |
| 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