Teresa A Brentnall

Gastroenterology Internal Medicine

Teresa A Brentnall is a Gastroenterology Internal Medicine specialist based in Seattle, WA with over 39 years of clinical experience. Offers virtual telehealth visits.

(206) 598-4377Seattle, WA
Telehealth Available
NPI Active per CMS — Q2 2026

Teresa a Brentnall practices as part of a group gastroenterologist practice in Seattle, WA. A University of Washington School of Medicine graduate since 1987, she brings 39+ years of experience. She regularly sees Medicare patients with hypertension, high cholesterol, and cancer (per CMS claims data).

1 of 185 Internal Medicine providers in WASee all Internal Medicine in Seattle39+ years experienceNPI since 2006

Older · 4896dNPPES updated 2012-12-28 · verify NPI on CMS · Verify license at Washington Medical Commission

Contact & Location

Practice Location

University of Washington Medical Ctr 1959 Ne Pacific St, Seattle, WA 98195-6160

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 Hypertension, High Cholesterol, and Cancer.

Hypertension
Lower than avg (-17%)53%

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

US avg: 70.2%

↓ Fewer patients than average (-17%) — less common here

High Cholesterol
Lower than avg (-20%)50%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-20%) — less common here

Cancer
Higher than avg (+27%)48%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+27%) — a focus area for this doctor

Arthritis
Lower than avg (-14%)35%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-14%) — less common here

Ischemic Heart Disease
Lower than avg (-7%)25%

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

US avg: 31.7%

↓ Fewer patients than average (-7%) — less common here

Anxiety Disorders
Lower than avg (-9%)25%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

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

Osteoporosis
Higher than avg (+3%)21%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+3%) — a focus area for this doctor

Chronic Kidney Disease
Lower than avg (-10%)20%

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

US avg: 29.6%

↓ Fewer patients than average (-10%) — less common here

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 · 1987

    University of Washington School of Medicine

  2. 39 years in practice

    Senior practitioner

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 Washington School of Medicine (Class of 1987)

Practice Footprint

Mailing address

Po Box 50095, Seattle, WA 98145-5095

Differs from practice location

Virtual Internal Medicine Care With Teresa a Brentnall

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

Schedule a virtual visit with Teresa a Brentnall for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Seattle required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Teresa a Brentnall

Dr. Brentnall is listed as active in the NPI registry with telehealth listed in Seattle, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (206) 598-4377.

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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Claim Profile

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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