Doctor profile · Federal record

Dr. Karen Segerson, M.D.

Internal Medicine Physician (CMS: Hospitalist) · Internal Medicine Physician · Seattle, WA

  • NPI 1003995572
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 25 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St
Seattle, WA 981950001
(206) 598-4333
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 30, 2015
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Washington #MD60071478 · Utah #5198147-1205
Medicaid
WA #1003995572

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003995572. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
119
Distinct HCPCS
3
Medicare allowed
$11,736
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 67 25 $33
99205 New patient office or other outpatient visit, 60-74 minutes 38 38 $194
99215 Established patient office or other outpatient visit, 40-54 minutes 14 14 $154

In context: peer comparison

Among 174 peers in Seattle Internal Medicine Physician, average services per provider: 77. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Segerson's medical specialty?
Dr. Karen Segerson practices Internal Medicine Physician in Seattle, WA.
Where does Dr. Karen Segerson practice?
Dr. Karen Segerson practices at 1959 Ne Pacific St, Seattle, WA 981950001. Office phone: 2065984333.
What is Dr. Karen Segerson's NPI?
Dr. Karen Segerson's National Provider Identifier (NPI) is 1003995572, issued by NPPES.
Does Dr. Karen Segerson accept Medicare assignment?
Yes. Dr. Karen Segerson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Segerson commonly perform?
Top Medicare-reported procedures in 2023: Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.