Marc Hiro Kosaka, PHARM D
Pharmacist · Spokane, WA
Marc Hiro Kosaka, PHARM D is a pharmacist with a practice address in Spokane, Washington, and NPI 1689810764, issued on Dec 19, 2008. Check the license (Washington PH00042967, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marc Hiro Kosaka
- Credential
- PHARM D
- Primary taxonomy
- Pharmacist 183500000X
- License number
- PH00042967 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3919 N Maple St, Spokane, WA 99205
- Phone
- (509) 444-8200
- Enumerated
- Dec 19, 2008
- Record last updated
- May 3, 2022
- Entity
- Type 1 · individual
Also registered at 3919 N Maple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Allen, DMDDentist1417010323
- Theresa Allen, LMHCMental Health Counselor1265598007
- Tori AndersonDental Hygienist1043864390
- Ethan Angell, MDFamily Medicine Physician1265490247
- Soraya Aragundi, M.D.Family Medicine Physician1326104324
- Mirenna Asher, CNMAdvanced Practice Midwife1770354151
Verify Marc Hiro Kosaka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PH00042967Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18.0 times the Medicare Part D claims of the average pharmacist in 2024
2,140 Medicare Part D claims for 1,014 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium134 claims
- Levothyroxine Sodium84 claims
- Gabapentin76 claims
- Lisinopril75 claims
- Amlodipine Besylate69 claims
- Omeprazole62 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.
587 pharmacist records list a practice address in Spokane
They are 587 of the 14,049 NPPES records with a practice address in Spokane, and 7,777 pharmacist records in Washington.
All 587 in Spokane → All 7,777 in Washington → Every provider in Spokane →
Other pharmacist records in Washington
- Steven AahlBothell, WA1477691137
- Jon Aal, RPHOlympia, WA1457753212
- Kenric Aalund-NelsonBellingham, WA1033944996
- Rania Abaza, PHARMDVancouver, WA1699660258
- Roomi Abbas, RPHKenmore, WA1457293292
- Marvin Abbott, PHARMACISTOlympia, WA1053550384
- Doaa Abdelazeez, RPHLynden, WA1184153074
- John AbdelmalekAberdeen, WA1881985133
- Shorooq AbdelqaderSeattle, WA1528638889
- Khaled Abdelrazzak, RPHSeattle, WA1790097574
Common questions
What is Marc Hiro Kosaka, PHARM D's NPI number?
Marc Hiro Kosaka, PHARM D's National Provider Identifier (NPI) is 1689810764, issued on Dec 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marc Hiro Kosaka, PHARM D located?
The NPPES record lists a practice address at 3919 N Maple St, Spokane, WA, 99205. Phone: (509) 444-8200. Providers update this record themselves, so call before visiting.
How can I verify Marc Hiro Kosaka, PHARM D's license?
NPPES lists Washington license number PH00042967, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Marc Hiro Kosaka, PHARM D prescribe under Medicare Part D?
In 2024, Marc Hiro Kosaka, PHARM D had 2,140 Medicare Part D claims for 1,014 beneficiaries; the average among pharmacist prescribers was 119. 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.