Diane Wong Yamamoto, PHARM.D.
Pharmacist · Bend, OR
Diane Wong Yamamoto, PHARM.D. is a pharmacist with a practice address in Bend, Oregon, and NPI 1386909182, issued on Jul 8, 2012. Check the license (Oregon RPH10390, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Wong Yamamoto
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- RPH10390 OR
RPH39920 CA
09119 NV
Self-reported in NPPES; status is on the state search - Practice location
- 740 NE 3RD St, Ste 3 Pmb 120, Bend, OR 97701
- Phone
- (818) 237-0038
- Enumerated
- Jul 8, 2012
- Record last updated
- May 18, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (541) 317-3404
- Entity
- Type 1 · individual
Verify Diane Wong Yamamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license RPH10390Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 92% of the cost of the top drugs
85 Medicare Part D claims for 75 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix33 claims
- Boostrix Tdap20 claims
- Arexvy18 claims
- Abrysvo12 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.
74 pharmacist records list a practice address in Bend
They are 74 of the 5,313 NPPES records with a practice address in Bend, and 3,571 pharmacist records in Oregon.
All 74 in Bend → All 3,571 in Oregon → Every provider in Bend →
Other pharmacist records in Oregon
- Casey Aaby, PHARMDSpringfield, OR1114735909
- Zachary Aalberg, PHARMDMedford, OR1336757095
- Carly Aamoth, PHARM.DPortland, OR1659749380
- Tahlia Aarstad, PHARMDKlamath Falls, OR1972928117
- Abdulahi Ababulgu, PHARMDPortland, OR1548942188
- Alyaa AbbasWoodburn, OR1477417293
- Diana AbdeljawadPortland, OR1578369229
- Gerissa AbdonBeaverton, OR1487364014
- Laura AbellEnterprise, OR1134640584
- Haile AberhaCorvallis, OR1285124826
Common questions
What is Diane Wong Yamamoto, PHARM.D.'s NPI number?
Diane Wong Yamamoto, PHARM.D.'s National Provider Identifier (NPI) is 1386909182, issued on Jul 8, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Diane Wong Yamamoto, PHARM.D. located?
The NPPES record lists a practice address at 740 NE 3RD St, Ste 3 Pmb 120, Bend, OR, 97701. Phone: (818) 237-0038. Providers update this record themselves, so call before visiting.
How can I verify Diane Wong Yamamoto, PHARM.D.'s license?
NPPES lists Oregon license number RPH10390, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Diane Wong Yamamoto, PHARM.D. prescribe under Medicare Part D?
In 2024, Diane Wong Yamamoto, PHARM.D. had 85 Medicare Part D claims for 75 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.