Stephen Matsuoka
Emergency Medicine Physician · Tacoma, WA
Stephen Matsuoka is an emergency medicine physician with a practice address in Tacoma, Washington, and NPI 1568043032, issued on Apr 16, 2021. Check the license (Washington MD61506989, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stephen Matsuoka
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD61506989 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1717 S J St, Tacoma, WA 98405
- Phone
- (253) 627-4101
- Enumerated
- Apr 16, 2021
- Record last updated
- Jul 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20240725001020); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 1717 S J St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naseer Abbas, MDInternal Medicine Physician1962769380
- Mark Dean Aguiling, M.D.Hospitalist Physician1043567100
- Lisa Allen, B.S., PHARM.D.Pharmacotherapy Pharmacist1669404026
- Jennifer Aquino, M.D.Internal Medicine Physician1184746067
- Freddy AragonStudent in an Organized Health Care Education/Training Program1447617626
- Patti Aramburu, ARNPFamily Nurse Practitioner1952497356
Verify Stephen Matsuoka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61506989Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average emergency medicine physician in 2024
108 Medicare Part D claims for 67 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Northwest Emergency Physicians LLCFederal Way, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Matsuoka among 1,459 emergency medicine physician records in Washington
Stephen Matsuoka is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2021 · median 2010 among the 851 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
167 emergency medicine physician records list a practice address in Tacoma
They are 167 of the 13,715 NPPES records with a practice address in Tacoma, and 1,459 emergency medicine physician records in Washington.
All 1,459 in Washington → Every provider in Tacoma → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Keith Batts, MDTacoma, WA 984051245209949
- Adam Fox, DOTacoma, WA 984051477592616
- James Fulcher, MDTacoma, WA 984051205875754
- Mark Harris, MDTacoma, WA 984051699714295
- Benjamin Harrison, MDTacoma, WA 984051346210895
- Christopher Henry, MDTacoma, WA 984051326087925
- Giao Kaplan, MDTacoma, WA 984051588603153
- Jorge Llera, MDTacoma, WA 984051669428108
Common questions
What is Stephen Matsuoka's NPI number?
Stephen Matsuoka's National Provider Identifier (NPI) is 1568043032, issued on Apr 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Matsuoka located?
The NPPES record lists a practice address at 1717 S J St, Tacoma, WA, 98405. Phone: (253) 627-4101. Providers update this record themselves, so call before visiting.
How can I verify Stephen Matsuoka's license?
NPPES lists Washington license number MD61506989, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Matsuoka prescribe under Medicare Part D?
In 2024, Stephen Matsuoka had 108 Medicare Part D claims for 67 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.