Themistocles Dassopoulos, MD
Gastroenterology Internal Medicine
Themistocles Dassopoulos is a Gastroenterology Internal Medicine specialist based in Dallas, TX with over 35 years of clinical experience. Offers virtual telehealth visits.
Themistocles Dassopoulos, MD practices as part of a group gastroenterologist practice in Dallas, TX. Trained at Warren Alpert Medical School of Brown University (class of 1991), he has been practicing for over 35 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
Older · 3552dNPPES updated 2016-09-02 · verify NPI on CMS · Verify license at Texas Medical Board
Contact & Location
Practice Location
3409 Worth Street Suite 640, Dallas, TX 75246
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
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
A mood disorder causing persistent sadness and loss of interest in activities
Excessive worry or fear that interferes with daily life
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1991
Warren Alpert Medical School of Brown University
35 years in practice
Senior practitioner
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
Warren Alpert Medical School of Brown University (Class of 1991)
Virtual Internal Medicine Care With Themistocles Dassopoulos
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Themistocles Dassopoulos for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Dallas required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Themistocles Dassopoulos
NPI records show Dr. Dassopoulos as active with telehealth listed in Dallas, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (469) 800-7180.
Sourced from CMS NPPES · OIG LEIE · 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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