Matthew M. Yamamoto, PA-C
Physician Assistant · Spokane, WA
Matthew M. Yamamoto, PA-C is a physician assistant with a practice address in Spokane, Washington, and NPI 1578946513, issued on Jul 8, 2015. Check the license (Washington 60558344, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew M. Yamamoto
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 60558344 WA
Self-reported in NPPES; status is on the state search - Practice location
- 551 E Hawthorne RD, Spokane, WA 99218
- Phone
- (509) 252-1900
- Enumerated
- Jul 8, 2015
- Record last updated
- Feb 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (509) 277-7070
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 551 E Hawthorne RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacob Deakins, MDFamily Medicine Physician1760639603
- Brett Eckenrod, M.D.Family Medicine Physician1497066211
Verify Matthew M. Yamamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 60558344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
17 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Matthew M. Yamamoto among 3,718 physician assistant records in Washington
Matthew M. Yamamoto, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
315 physician assistant records list a practice address in Spokane
They are 315 of the 14,049 NPPES records with a practice address in Spokane, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Spokane → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- John Begley, PASpokane, WA 992181912152604
- John Boyd, PA-CSpokane, WA 992181073582847
- Anthony Caffarelli, P.A.Spokane, WA 992181609977669
- Dan Dami, PA-CSpokane, WA 992181386636249
- Daniel Depner, PA-CSpokane, WA 992181851492771
- Portia Kamps, PA-CSpokane, WA 992181366631731
- Katherine Koncz, PA-CSpokane, WA 992181336131937
- Pamela Lancaster, PASpokane, WA 992181366474371
Common questions
What is Matthew M. Yamamoto, PA-C's NPI number?
Matthew M. Yamamoto, PA-C's National Provider Identifier (NPI) is 1578946513, issued on Jul 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Matthew M. Yamamoto, PA-C located?
The NPPES record lists a practice address at 551 E Hawthorne RD, Spokane, WA, 99218. Phone: (509) 252-1900. Providers update this record themselves, so call before visiting.
How can I verify Matthew M. Yamamoto, PA-C's license?
NPPES lists Washington license number 60558344, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew M. Yamamoto, PA-C prescribe under Medicare Part D?
In 2024, Matthew M. Yamamoto, PA-C had 17 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.