Doctor profile · Federal record

Dr. Joshua Knowlton, DDS

General Practice Dentistry · Seattle, WA

  • NPI 1619714961
  • 2 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
509 Olive Way Ste 645
Seattle, WA 981011725
(206) 682-4626
fax (206) 622-4644
Additional location
27015 169Th Pl Se Unit 101
Covington, WA 980425574
(253) 630-2483

Credentials & registration

NPPES · NUCC
NPI registered
July 2024 — 2 yrs on file
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Washington #DE61571101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619714961. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$172
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ultradent Products INC 2 $171.97

By nature of payment

Gift
$172

Frequently asked questions

Auto-generated from federal data
What is Dr. Joshua Knowlton's medical specialty?
Dr. Joshua Knowlton practices General Practice Dentistry in Seattle, WA.
Where does Dr. Joshua Knowlton practice?
Dr. Joshua Knowlton practices at 509 Olive Way Ste 645, Seattle, WA 981011725. Office phone: 2066824626.
What is Dr. Joshua Knowlton's NPI?
Dr. Joshua Knowlton's National Provider Identifier (NPI) is 1619714961, issued by NPPES.