Doctor profile · Federal record

Dr. Karen Souter

Anesthesiology Physician (CMS: Anesthesiology) · Seattle, WA

  • NPI 1780769505
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 41 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 981950001
(206) 598-4260
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
1985 — 41 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Washington #TR00040695
Medicaid
WA #1780769505

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780769505. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,462
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 11 11 $133

In context: peer comparison

Among 172 peers in this city , average services per provider: 23. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Souter's medical specialty?
Dr. Karen Souter practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Karen Souter practice?
Dr. Karen Souter practices at University of Washington Medical Ctr, Seattle, WA 981950001. Office phone: 2065984260.
What is Dr. Karen Souter's NPI?
Dr. Karen Souter's National Provider Identifier (NPI) is 1780769505, issued by NPPES.
Does Dr. Karen Souter accept Medicare assignment?
Yes. Dr. Karen Souter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Souter commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.