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Gastroenterology

Teresa A. Brentnall, MD

Sees patients in Seattle, WA · Washington

Summary

Dr. Teresa A. Brentnall, MD is a gastroenterologist at 1959 NE Pacific St, Seattle, WA 98195. Phone: (206) 598-4333. Accepts Medicare assignment. In 2024, Teresa A. Brentnall had 11 Original Medicare patients and 13 services. NPI 1104916063. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 1959 NE Pacific St, Seattle, WA 98195 · Directions
  • Phone: (206) 598‑4333
  • Medicare: Accepts Medicare assignment
  • Group practice: The Association of University Physicians
  • Medical school: University Of Washington School Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Teresa A. Brentnall, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Teresa A. Brentnall accept Medicare assignment?
Yes. Medicare's clinician data says Teresa A. Brentnall accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Teresa A. Brentnall see?
In 2024, CMS data shows 11 Original Medicare patients and 13 services for Teresa A. Brentnall. This counts Original Medicare only and measures volume, not quality.
What is Teresa A. Brentnall's NPI number?
1104916063. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Teresa A. Brentnall, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients11
Services billed to Medicare13
Different services or procedures3
Participating Medicare providerYes
Average age of these patients72

Practice locations

Addresses where Teresa A. Brentnall is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Teresa A. Brentnall as a member of this group (CMS data updated October 2, 2026).

  • The Association of University Physicians3,535 clinicians in the group

Specialties

Find other Gastroenterology doctors in Washington →

Other gastroenterologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All gastroenterologists in Seattle →

Other clinicians in The Association of University Physicians

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104916063
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians