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Internal Medicine

Sandra Zelonis, MD

Works at hospitals in Loris, SC · Florence, SC · South Carolina

Summary

Sandra Zelonis, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Loris, SC and Florence, SC. NPI 1528528858. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sandra Zelonis, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
FemaleGender (as listed)
McLeod Loris Seacoast HospitalGroup practice

Quick answers

Which hospitals does Sandra Zelonis work at?
Medicare's official clinician data lists Sandra Zelonis at 2 hospitals: McLeod Loris Hospital and McLeod Regional Medical Center-Pee Dee. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sandra Zelonis see patients?
Medicare's clinician data lists 1 practice location in Loris, SC. Call before your visit to confirm the address.
What is Sandra Zelonis's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Sandra Zelonis accept Medicare assignment?
Yes. Medicare's clinician data says Sandra Zelonis 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 Sandra Zelonis?
(843) 716-7111, as listed in official Medicare / NPI Registry data.
What is Sandra Zelonis's NPI number?
1528528858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sandra Zelonis works

Medicare's Facility Affiliation Data lists Sandra Zelonis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Sandra Zelonis is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sandra Zelonis as a member of this group (CMS data updated 2026-10-02).

  • McLeod Loris Seacoast Hospital61 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in Loris

Clinicians with the same Medicare primary specialty in Loris, SC — not a recommendation.

All internal medicine doctors in Loris →

Clinician information

CredentialMD
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528528858
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians