Jeffrey David Duman, MD

Gastroenterology Internal Medicine

(503) 692-3750Tualatin, OR
Telehealth Available
NPI Active per CMS — Q2 2026

Jeffrey Duman, MD has practiced internal medicine for 21+ years, working in group practice. He graduated from University of Texas Medical School at Houston in 2005 and has 21+ years of clinical experience. Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), and more.

1 of 97 Internal Medicine providers in ORSee all Internal Medicine in Tualatin21+ years experienceNPI since 2007

Data updated 2023-11-28 on CMS NPPES

Contact & Location

Practice Location

19250 Sw 90th Ave, Tualatin, OR 97062-7585

Fax: (503) 691-2324

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Background & Specialty

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

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 2005)

Virtual Internal Medicine Care With Jeffrey Duman

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

Schedule a virtual visit with Jeffrey Duman for follow-ups, medication reviews, and ongoing care — no travel to Tualatin required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Jeffrey Duman

NPI records show Dr. Duman as active with telehealth listed in Tualatin, OR. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (503) 692-3750.

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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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