Doctor profile · Federal record

Dr. Kim Matsumoto, MD

Hospitalist Physician (CMS: Hospitalist) · Physician Assistant · Internal Medicine Physician · Seattle, WA

  • NPI 1457603532
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave
Seattle, WA 981042420
(206) 520-5000
Additional location
1344 Wintergreen Ln Ne
Bainbridge Island, WA 98110
(206) 842-5632
fax (206) 842-5992
Additional location
19917 7Th Ave Ne, Suite 205
Poulsbo, WA 983706555
(360) 377-3776
fax (360) 779-6449
Mailing address
Po Box 50095
Seattle, WA 981950001

Credentials & registration

NPPES · NUCC
NPI registered
October 2012 — 14 yrs on file
Profile last updated
June 8, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Washington #MD61322083 · Washington #60310464

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457603532. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$2,202
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $183

In context: peer comparison

Among 108 peers in Seattle Hospitalist Physician, average services per provider: 77. This provider delivers 0.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kim Matsumoto's medical specialty?
Dr. Kim Matsumoto practices Hospitalist Physician in Seattle, WA.
Where does Dr. Kim Matsumoto practice?
Dr. Kim Matsumoto practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2065205000.
What is Dr. Kim Matsumoto's NPI?
Dr. Kim Matsumoto's National Provider Identifier (NPI) is 1457603532, issued by NPPES.
Does Dr. Kim Matsumoto accept Medicare assignment?
Yes. Dr. Kim Matsumoto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kim Matsumoto commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.