John Thomas Dugan, MD

Gastroenterology Internal Medicine

John Thomas Dugan is a Gastroenterology Internal Medicine specialist based in Houston, TX with over 16 years of clinical experience. Offers virtual telehealth visits.

(713) 526-5511Houston, TX
Telehealth Available
NPI Active per CMS — Q2 2026

John Thomas Dugan, MD has been part of the Houston medical community since 2012 in group practice. A University of Texas Medical School at Houston graduate since 2010, he brings 16+ years of experience. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).

At a glance

  • Uses generic medications more than 47% of reporting doctors in Texas
  • Virtual visits available — no app or travel required
1 of 378 Internal Medicine providers in TXSee all Internal Medicine in Houston16+ years experienceNPI since 2012

Older · 3687dNPPES updated 2016-04-20 · verify NPI on CMS · Verify license at Texas Medical Board

Contact & Location

Practice Location

1701 Sunset Blvd, Houston, TX 77005-1713

Fax: (713) 520-4755
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
Higher than avg (+2%)72%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+2%) — a focus area for this doctor

Hypertension
Lower than avg (-3%)67%

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

US avg: 70.2%

↓ Fewer patients than average (-3%) — less common here

Arthritis
Lower than avg (-9%)40%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-9%) — less common here

Ischemic Heart Disease
Higher than avg (+1%)33%

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

US avg: 31.7%

↑ More patients than average (+1%) — a focus area for this doctor

GeneralBehavioralNational avg

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.

Career Journey
  1. Graduated medical school · 2010

    University of Texas Medical School at Houston

  2. 16 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

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

University of Texas Medical School at Houston (Class of 2010)

Virtual Internal Medicine Care With John Thomas Dugan

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

Schedule a virtual visit with John Thomas Dugan for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Houston required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about John Thomas Dugan

Dr. Dugan is listed as active in the NPI registry with telehealth listed in Houston, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (713) 526-5511.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · 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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