Quick answers
- Which hospitals does Matthew Kellner work at?
- Medicare's official clinician data lists Matthew Kellner at 4 hospitals: Bon Secours-St Francis Xavier Hospital, McLeod Loris Hospital, McLeod Regional Medical Center-Pee Dee and Mount Pleasant Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Kellner see patients?
- Medicare's clinician data lists 3 practice locations, including Summerville, SC, Charleston, SC and Loris, SC. Call before your visit to confirm the address.
- What is Matthew Kellner's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Matthew Kellner accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Kellner 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 Matthew Kellner?
- (854) 529-3100, as listed in official Medicare / NPI Registry data.
- What is Matthew Kellner's NPI number?
- 1427553437. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Kellner works
Medicare's Facility Affiliation Data lists Matthew Kellner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bon Secours-St Francis Xavier HospitalCharleston, SC · Acute Care Hospital · CCN 420065
- McLeod Loris HospitalLoris, SC · Acute Care Hospital · CCN 420105
- McLeod Regional Medical Center-Pee DeeFlorence, SC · Acute Care Hospital · CCN 420051
- Mount Pleasant HospitalMount Pleasant, SC · Acute Care Hospital · CCN 420104
Practice locations
Addresses where Matthew Kellner is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Callen BlvdSummerville, SC 29486 (854) 529‑3100
- 316 Calhoun StCharleston, SC 29401 (843) 724‑2901
- 3655 Mitchell StLoris, SC 29569 (843) 716‑7111
Group practices
Medicare enrollment lists Matthew Kellner as a member of these groups (CMS data updated 2026-10-02).
- 24 on Physicians of SC LLC141 clinicians in the group
- McLeod Loris Seacoast Hospital61 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Summerville
Clinicians with the same Medicare primary specialty in Summerville, SC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427553437 |
| 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