Doctor profile · Federal record

Dr. Joy Kumagai

Nurse Practitioner · Seattle, WA

  • NPI 1053945303
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
825 Eastlake Ave E
Seattle, WA 981094405
(206) 520-5000
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
February 2020 — 6 yrs on file
Profile last updated
November 3, 2020
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Washington #AP61067678

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053945303. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
111
Distinct HCPCS
2
Medicare allowed
$12,859
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 78 27 $128
99214 Established patient office or other outpatient visit, 30-39 minutes 33 19 $87

In context: peer comparison

Among 98 peers in this city , average services per provider: 89. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 1 $125.00

By nature of payment

Food and Beverage
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
107
Patients
11
Total drug cost
$5,685
Drug Type Claims Patients Total cost
Acyclovir Generic 21 11 $353
Imatinib Mesylate Generic 21 0 $3,639
Gabapentin Generic 15 0 $690
Hydroxyurea Generic 14 0 $473
Rosuvastatin Calcium Generic 13 0 $138
Potassium Chloride Generic 12 0 $321
Triamcinolone Acetonide Generic 11 0 $72

Frequently asked questions

Auto-generated from federal data
What is Dr. Joy Kumagai's medical specialty?
Dr. Joy Kumagai practices Nurse Practitioner in Seattle, WA.
Where does Dr. Joy Kumagai practice?
Dr. Joy Kumagai practices at 825 Eastlake Ave E, Seattle, WA 981094405. Office phone: 2065205000.
What is Dr. Joy Kumagai's NPI?
Dr. Joy Kumagai's National Provider Identifier (NPI) is 1053945303, issued by NPPES.
Does Dr. Joy Kumagai accept Medicare assignment?
Yes. Dr. Joy Kumagai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joy Kumagai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.