Doctor profile · Federal record

Dr. Karen Horvath

Surgery Physician (CMS: General Surgery) · Seattle, WA

  • NPI 1548345358
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 36 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 981956165
(206) 598-4477
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
January 25, 2013
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Washington #MD00036135
Medicaid
WA #1548345358

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548345358. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
98
Distinct HCPCS
4
Medicare allowed
$9,663
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 61 24 $84
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $134
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $105
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $131

In context: peer comparison

Among 36 peers in Seattle Surgery Physician, average services per provider: 26. This provider delivers 3.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Horvath's medical specialty?
Dr. Karen Horvath practices Surgery Physician in Seattle, WA.
Where does Dr. Karen Horvath practice?
Dr. Karen Horvath practices at University of Washington Medical Ctr, Seattle, WA 981956165. Office phone: 2065984477.
What is Dr. Karen Horvath's NPI?
Dr. Karen Horvath's National Provider Identifier (NPI) is 1548345358, issued by NPPES.
Does Dr. Karen Horvath accept Medicare assignment?
Yes. Dr. Karen Horvath accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Horvath commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.