Mark W. Greenwell, M.D.
Mark W. Greenwell is a Nephrology Internal Medicine specialist based in Paris, TX with over 27 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Mark W. Greenwell, M.D. has been part of the Paris medical community since 2006 in group practice. Trained at University of Texas Medical School at Houston (class of 1999), he has been practicing for over 27 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and kidney disease.
At a glance
- Prescribes opioids less than 32% of reporting doctors in Texas
- Virtual visits available — no app or travel required
Older · 1129dNPPES updated 2023-04-20 · verify NPI on CMS · Verify license at Texas Medical Board
Contact & Location
Practice Location
635 Stone Ave, Paris, TX 75460-9342
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
Opioid Rx
↓ Lower = better2.08%
Texas avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3 pts)
2.08% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
627
Unique beneficiaries
High volumePrescription Recipients
421
Patients prescribed
Prescriptions Written
2,788
Total claims
Total Medicare drug cost: $635k
Percentile rankings compared against 4,889 reporting peers in Texas.
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 Chronic Kidney Disease.
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
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+45%) — 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 (+31%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+23%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+3%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+27%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+18%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$23 received from industry
1 transaction reported in 2024 ·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 2024, attributed to Mark W. Greenwell's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1999
Mcgovern Medical School at Uthealth Houston
Board certified · Apr 19, 2023
Self-reported via NPPES
27 years in practice
Experienced
Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.
Taxonomy: 207RN0300X
Education & Training
University of Texas Medical School at Houston (Class of 1999)
Mailing address
1133 Medical Dr, Tyler, TX 75701-2130
Differs from practice location
Virtual Internal Medicine Care With Mark W. Greenwell
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark W. Greenwell for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Paris 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 Mark W. Greenwell
Dr. Greenwell is listed as active in the NPI registry with telehealth listed in Paris, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (903) 785-3300.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Mark W. Greenwell
Practice Location
635 Stone Ave, Paris, TX 75460-9342
Mailing Address
1133 Medical Dr, Tyler, TX 75701-2130
This is a provider directory. Contact the office directly to schedule appointments.
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