Charles Greenberg
Charles Greenberg is a Hematology Internal Medicine specialist based in Charleston, SC with over 50 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Charles Greenberg has practiced internal medicine for 50+ years, working in group practice. A Hahnemann University College of Medicine graduate since 1976, he brings 50+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
Older · 3940dNPPES updated 2015-08-10 · verify NPI on CMS · Verify license at South Carolina Board of Medical Examiners
How Does This Doctor Compare?
Generic Rx
↑ Higher = better6.5%
South Carolina avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-76.3 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
302
Unique beneficiaries
Standard volumePrescription Recipients
132
Patients prescribed
Prescriptions Written
781
Total claims
Total Medicare drug cost: $1.07M
Percentile rankings compared against 605 reporting peers in South Carolina.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+2%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+3%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-6%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-5%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$30 received from industry
1 transaction reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Charles Greenberg's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1976
Hahnemann University College of Medicine
50 years in practice
Senior practitioner
Hematologists specialize in blood disorders including anemia, clotting disorders, hemophilia, sickle cell disease, lymphoma, leukemia, and other blood cancers. They manage anticoagulation therapy and blood transfusions.
Taxonomy: 207RH0000X
Education & Training
Hahnemann University College of Medicine (Class of 1976)
Mailing address
Po Box 751461, Charlotte, NC 28275-1461
Differs from practice location
Virtual Internal Medicine Care With Charles Greenberg
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Charles Greenberg for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Charleston required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Charles Greenberg
Dr. Greenberg is listed as active in the NPI registry with telehealth listed in Charleston, SC. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (843) 792-1414.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Charles Greenberg
Practice Location
171 Ashley Ave, Charleston, SC 29425-0100
Mailing Address
Po Box 751461, Charlotte, NC 28275-1461
This is a provider directory. Contact the office directly to schedule appointments.
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