Doctor profile · Federal record

Dr. Thomas Semper, M.D.

Child & Adolescent Psychiatry Physician · Seattle, WA

  • NPI 1437125044
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
509 Olive Way Ste 204
Seattle, WA 981011726
(206) 329-5255
fax (206) 726-1878

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Specialty taxonomy
2084P0804X — NUCC code
State license (1)
Washington #38072

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437125044. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$296
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $177.40
Axsome Therapeutics, INC. 1 $118.32

By nature of payment

Food and Beverage
$296

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$594
Drug Type Claims Patients Total cost
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 11 0 $594

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Semper's medical specialty?
Dr. Thomas Semper practices Child & Adolescent Psychiatry Physician in Seattle, WA.
Where does Dr. Thomas Semper practice?
Dr. Thomas Semper practices at 509 Olive Way Ste 204, Seattle, WA 981011726. Office phone: 2063295255.
What is Dr. Thomas Semper's NPI?
Dr. Thomas Semper's National Provider Identifier (NPI) is 1437125044, issued by NPPES.