Doctor profile · Federal record

Dr. Karen Johnson, ARNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Seattle, WA

  • NPI 1932187762
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 19Th Ave E
Seattle, WA 981124007
(206) 299-1600
fax (206) 299-1608
Mailing address
2851 Mount Rainier Dr S
Seattle, WA 981446227

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
September 17, 2010
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Washington #AP30002214

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932187762. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$346
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 4 $311.28
Abbott Laboratories 1 $18.46
ViiV Healthcare Company 1 $16.70

By nature of payment

Food and Beverage
$346

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
946
Patients
128
Total drug cost
$509,193
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 144 31 $1,929
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 123 13 $497,702
Gabapentin Generic 85 19 $1,735
Levothyroxine Sodium Generic 80 16 $1,017
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 67 13 $743
Metformin Hcl Generic 63 0 $925
Tamsulosin Hcl Generic 60 0 $850
Lisinopril Generic 54 11 $252
Amlodipine Besylate Generic 51 14 $445
Finasteride Generic 40 0 $343

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Johnson's medical specialty?
Dr. Karen Johnson practices Family Nurse Practitioner in Seattle, WA.
Where does Dr. Karen Johnson practice?
Dr. Karen Johnson practices at 500 19Th Ave E, Seattle, WA 981124007. Office phone: 2062991600.
What is Dr. Karen Johnson's NPI?
Dr. Karen Johnson's National Provider Identifier (NPI) is 1932187762, issued by NPPES.
Does Dr. Karen Johnson accept Medicare assignment?
Yes. Dr. Karen Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.