Quick answers
- Which hospitals does James M. O'Callaghan work at?
- Medicare's official clinician data lists James M. O'Callaghan at 2 hospitals: HCA Florida Memorial Hospital and Memorial Satilla Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James M. O'Callaghan see patients?
- Medicare's clinician data lists 2 practice locations, including Orange Park, FL and Jacksonville, FL. Call before your visit to confirm the address.
- What is James M. O'Callaghan's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does James M. O'Callaghan accept Medicare assignment?
- Yes. Medicare's clinician data says James M. O'Callaghan 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 James M. O'Callaghan?
- (904) 276-8500, as listed in official Medicare / NPI Registry data.
- What is James M. O'Callaghan's NPI number?
- 1548408347. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James M. O'Callaghan works
Medicare's Facility Affiliation Data lists James M. O'Callaghan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA Florida Memorial HospitalJacksonville, FL · Acute Care Hospital · CCN 100179
- Memorial Satilla HealthWaycross, GA · Acute Care Hospital · CCN 110003
Practice locations
Addresses where James M. O'Callaghan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2001 Kingsley AveOrange Park, FL 32073 (904) 276‑8500
- 3625 University Blvd SJacksonville, FL 32216 (561) 997‑0821
Group practices
Medicare enrollment lists James M. O'Callaghan as a member of this group (CMS data updated 2026-10-02).
- Intensive Care Consortium Inc496 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Orange Park
Clinicians with the same Medicare primary specialty in Orange Park, FL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548408347 |
| 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