Charles S. Greenberg, MD

Medicare activity in 2024

Official CMS public-use data for Charles S. Greenberg, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)95 services
2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)36 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)18 services
4. Telephone medical discussion with physician, 11-20 minutes (99442)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol73%
• Arthritis54%
• Diabetes32%
• Chronic kidney disease32%
• Ischemic heart disease25%

Hospitals where Charles S. Greenberg works

Medicare's Facility Affiliation Data lists Charles S. Greenberg at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• MUSC Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420004
• Tidelands Waccamaw Community HospitalMurrells Inlet, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420098

Practice locations

Addresses where Charles S. Greenberg is enrolled with Medicare (CMS data updated October 2, 2026).

• 167 Ashley AveCharleston, SC 29425 (843) 792‑1414
• 171 Ashley AveCharleston, SC 29425 (843) 792‑1414

Group practices

Medicare enrollment lists Charles S. Greenberg as a member of this group (CMS data updated October 2, 2026).

• University Medical Associates of the Medical University of South Carol1,668 clinicians in the group

Specialties

• Hematology/Oncologyprimary
• Internal Medicinealso

Find other Hematology/Oncology doctors in South Carolina →

Other hematologist-oncologists in Charleston

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

• Abirami Sivapiragasam, MD
• John Wrangle, MD
• Ashley C. Eason, MD
• George M. Turco, MD
• Irl B. Greenwell, MD
• Yiseiry Perez-Melendez, MD
• Charles S. Holladay, MD
• Andrew J. Picca, DO

All hematologist-oncologists in Charleston →

Other clinicians in University Medical Associates of the Medical University of South Carol

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Lanier Jackson, MD
• Alex M. McNabb, MD
• Michael A. Jayne
• Janaina N. Anderson, MD
• Martin J. Steine, MD
• Daniel N. Holena, MD

Clinician information

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 October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians