Doctor profile · Federal record

Dr. Katherine Dejong, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Seattle, WA

  • NPI 1255794392
  • Accepts Medicare
  • MIPS 82.8 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1101 Madison St Ste 700
Seattle, WA 981043599
(206) 215-6300
fax (206) 215-6301
Additional location
1801 Nw Market St Ste 207
Seattle, WA 981073909
(206) 320-3576
fax (206) 860-6725
Additional location
5350 Tallman Ave Nw Ste 420
Seattle, WA 981075902
(206) 781-6161
fax (206) 781-6285
Show 1 more location
Additional location
550 16Th Ave Ste 100
Seattle, WA 981225636
(206) 320-2484
fax (206) 320-4568
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
October 20, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Washington #MD61052175
Medicaid
WA #1255794392

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255794392. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
180 Medical, Inc. 1 $21.24

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$1,193
Drug Type Claims Patients Total cost
Estradiol Generic 11 0 $1,193

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Dejong's medical specialty?
Dr. Katherine Dejong practices Obstetrics & Gynecology Physician in Seattle, WA.
Where does Dr. Katherine Dejong practice?
Dr. Katherine Dejong practices at 1101 Madison St Ste 700, Seattle, WA 981043599. Office phone: 2062156300.
What is Dr. Katherine Dejong's NPI?
Dr. Katherine Dejong's National Provider Identifier (NPI) is 1255794392, issued by NPPES.
Does Dr. Katherine Dejong accept Medicare assignment?
Yes. Dr. Katherine Dejong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.