Quick answers
- Which hospitals does Harrison S. Mahon work at?
- Medicare's official clinician data lists Harrison S. Mahon at 1 hospital: Baptist Health Medical Center - Jacksonville. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Harrison S. Mahon see patients?
- Medicare's clinician data lists 2 practice locations, including Fleming Island, FL and Saint Marys, GA. Call before your visit to confirm the address.
- What is Harrison S. Mahon's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty, and also Sports Medicine.
- Does Harrison S. Mahon accept Medicare assignment?
- Yes. Medicare's clinician data says Harrison S. Mahon 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 Harrison S. Mahon?
- (904) 516-1950, as listed in official Medicare / NPI Registry data.
- What is Harrison S. Mahon's NPI number?
- 1477943579. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Harrison S. Mahon works
Medicare's Facility Affiliation Data lists Harrison S. Mahon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Health Medical Center - JacksonvilleJacksonville, FL · Acute Care Hospital · CCN 100088
Practice locations
Addresses where Harrison S. Mahon is enrolled with Medicare (CMS data updated 2026-10-02).
- 1747 Baptist Clay Dr, Suite 200Fleming Island, FL 32003 (904) 516‑1950
- 916 Kingsbay Rd, Suite BSaint Marys, GA 31558 (912) 576‑3802
Group practices
Medicare enrollment lists Harrison S. Mahon as a member of these groups (CMS data updated 2026-10-02).
- H2 Rehabilitation Services of Florida LLC296 clinicians in the group
- Lyerly Baptist Inc72 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Sports Medicinealso
Other orthopedic surgeons in Fleming Island
Clinicians with the same Medicare primary specialty in Fleming Island, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477943579 |
| 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