Doctor profile · Federal record

Dr. Teresa Brentnall

Gastroenterology Physician (CMS: Gastroenterology) · Seattle, WA

  • NPI 1104916063
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
University of Washington Medical Ctr, 1959 Ne Pacific St
Seattle, WA 981956160
(206) 598-4377
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 28, 2012
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Washington #MD00029112
Medicaid
WA #1104916063

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104916063. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
143
Distinct HCPCS
4
Medicare allowed
$15,294
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 56 56 $6
45380 Biopsy of large bowel using a flexible endoscope 46 46 $150
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 21 21 $128
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 20 20 $270

In context: peer comparison

Among 44 peers in this city , average services per provider: 39. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
89
Patients
74
Total drug cost
$4,277
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 28 28 $2,061
Omeprazole Generic 27 13 $520
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 18 17 $322
Peg3350-Sod Sul-Nacl-Kcl-Asb-C (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) Brand 16 16 $1,374

Frequently asked questions

Auto-generated from federal data
What is Dr. Teresa Brentnall's medical specialty?
Dr. Teresa Brentnall practices Gastroenterology Physician in Seattle, WA.
Where does Dr. Teresa Brentnall practice?
Dr. Teresa Brentnall practices at University of Washington Medical Ctr, Seattle, WA 981956160. Office phone: 2065984377.
What is Dr. Teresa Brentnall's NPI?
Dr. Teresa Brentnall's National Provider Identifier (NPI) is 1104916063, issued by NPPES.
Does Dr. Teresa Brentnall accept Medicare assignment?
Yes. Dr. Teresa Brentnall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Teresa Brentnall commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.