Doctor profile · Federal record

Dr. Nicholas Kassebaum, MD

Anesthesiology Physician (CMS: Anesthesiology) · Pediatric Anesthesiology Physician · Seattle, WA

  • NPI 1518160167
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave
Seattle, WA 98104
(206) 520-5000
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
August 30, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Washington #MD60105936
Medicaid
WA #1518160167

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518160167. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18,780
Transactions
10
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Celgene Corporation 7 $14,444.77
E.R. Squibb & Sons, L.L.C. 3 $4,335.25

By nature of payment

Travel and Lodging
$14,281
Consulting Fee
$4,000
Food and Beverage
$499

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Kassebaum's medical specialty?
Dr. Nicholas Kassebaum practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Nicholas Kassebaum practice?
Dr. Nicholas Kassebaum practices at 325 9Th Ave, Seattle, WA 98104. Office phone: 2065205000.
What is Dr. Nicholas Kassebaum's NPI?
Dr. Nicholas Kassebaum's National Provider Identifier (NPI) is 1518160167, issued by NPPES.
Does Dr. Nicholas Kassebaum accept Medicare assignment?
Yes. Dr. Nicholas Kassebaum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.