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Diagnostic Radiology

Mark L. Greenslit, MD

Works at hospitals in Walterboro, SC · Charleston, SC · South Carolina

Summary

Mark L. Greenslit, MD (Diagnostic Radiology) is listed by Medicare at 3 hospitals in Walterboro, SC and Charleston, SC. NPI 1548279391. 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 Mark L. Greenslit, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
University Of South Carolina School Of MedicineMedical school
MaleGender (as listed)
Charleston Radiologists PAGroup practice (+1 more)

Quick answers

Which hospitals does Mark L. Greenslit work at?
Medicare's official clinician data lists Mark L. Greenslit at 3 hospitals: Colleton Medical Center, MUSC Medical Center and Trident Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark L. Greenslit see patients?
Medicare's clinician data lists 6 practice locations, including Mt Pleasant, SC, Mount Pleasant, SC and North Charleston, SC. Call before your visit to confirm the address.
What is Mark L. Greenslit's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Mark L. Greenslit accept Medicare assignment?
Yes. Medicare's clinician data says Mark L. Greenslit 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 Mark L. Greenslit?
(843) 881-4020, as listed in official Medicare / NPI Registry data.
What is Mark L. Greenslit's NPI number?
1548279391. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark L. Greenslit works

Medicare's Facility Affiliation Data lists Mark L. Greenslit 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 Mark L. Greenslit is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Mark L. Greenslit as a member of these groups (CMS data updated 2026-10-02).

  • Charleston Radiologists PA43 clinicians in the group
  • Pelican II LLC18 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in South Carolina →

Other radiologists in Mt Pleasant

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

All radiologists in Mt Pleasant →

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548279391
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