Irl Brian Greenwell, M.D.

Hematology & Oncology

Internal Medicine

Irl Brian Greenwell is a Hematology & Oncology specialist based in Charleston, SC with over 14 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(843) 577-6957Charleston, SC
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Irl Brian Greenwell, M.D. has been part of the Charleston medical community since 2012 in group practice. He graduated from Medical University of South Carolina College of Medicine in 2012 and has 14+ years of clinical experience. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).

1 of 35 Internal Medicine providers in SCSee all Internal Medicine in Charleston14+ years experienceNPI since 2012

Older · 505dNPPES updated 2025-01-04 · verify NPI on CMS · Verify license at South Carolina Board of Medical Examiners

Contact & Location

Practice Location

2085 Henry Tecklenburg Dr, Charleston, SC 29414-7710

Fax: (843) 577-6523
CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

259

Unique beneficiaries

Standard volume

Prescription Recipients

80

Patients prescribed

Prescriptions Written

340

Total claims

Total Medicare drug cost: $989k

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.

Patient Condition Panel

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 High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Hypertension
72%

High blood pressure — a leading risk factor for heart disease and stroke

Arthritis
48%

Joint inflammation causing pain, swelling, and stiffness

Anxiety Disorders
33%

Excessive worry or fear that interferes with daily life

Chronic Kidney Disease
31%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Ischemic Heart Disease
31%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Mood Disorders
25%

Conditions affecting emotional state, including depression and bipolar disorder

Diabetes
24%

A condition where the body cannot properly regulate blood sugar levels

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$1.2k received from industry

52 transactions reported in 2024 ·Moderate tier

View on CMS Open Payments →

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 2024, attributed to Irl Brian Greenwell's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2012

    Medical University of South Carolina College of Medicine

  2. Board certified · Jan 3, 2025

    Self-reported via NPPES

  3. 14 years in practice

    Established

Internal MedicineHematology & Oncology in CharlestonAllopathic & Osteopathic Physicians

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Taxonomy: 207RH0003X

Education & Training

Medical University of South Carolina College of Medicine (Class of 2012)

Practice Footprint

Mailing address

Po Box 751874, Charlotte, NC 28275-1874

Differs from practice location

Virtual Hematology & Oncology Care With Irl Brian Greenwell

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Irl Brian Greenwell for cholesterol management, blood pressure monitoring, 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 Irl Brian Greenwell

Dr. Greenwell 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) 577-6957.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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