Kenneth Andrew Ernst, RPH
Pharmacist · Lake Oswego, OR
Kenneth Andrew Ernst, RPH is a pharmacist with a practice address in Lake Oswego, Oregon, and NPI 1053628503, issued on Sep 3, 2010. Check the license (Oregon RPH0012176, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kenneth Andrew Ernst
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH0012176 OR
Self-reported in NPPES; status is on the state search - Practice location
- 17850 Lower Boones Ferry RD, Lake Oswego, OR 97035
- Phone
- (971) 233-0113
- Enumerated
- Sep 3, 2010
- Record last updated
- Sep 3, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 3,571 in Oregon → Look up another NPI →
Also registered at 17850 Lower Boones Ferry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brendan Ferris, PHARM.D.Pharmacist1720375884
- Jesse Gabel, PHARM.D.Pharmacist1518273762
- Deirdre Johnson, PHARM.D.Pharmacist1396061503
- Sarah Kodama, RPHPharmacist1487367884
- Patrick McMullen, RPHPharmacist1275271785
- Diana Sakamoto, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1730413527
Verify Kenneth Andrew Ernst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license RPH0012176Check 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, 100% of the cost of the top drugs
71 Medicare Part D claims for 68 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 99% 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.
- Shingrix38 claims
- Arexvy15 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.
Kenneth Andrew Ernst among 3,571 pharmacist records in Oregon
Kenneth Andrew Ernst, RPH is one of 3,571 pharmacist records with a practice address in Oregon. 28% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 16% of them.
- NPI issued2010 · 16% of these records are older, 76% newer
- In a Medicare fileYes · 28% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2010 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 pharmacist records list a practice address in Lake Oswego
They are 43 of the 1,377 NPPES records with a practice address in Lake Oswego, and 3,571 pharmacist records in Oregon.
All 3,571 in Oregon → Every provider in Lake Oswego → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Katherine Blezinski, RPHLake Oswego, OR 970351003118233
- Brendan Ferris, PHARM.D.Lake Oswego, OR 970351720375884
- Jesse Gabel, PHARM.D.Lake Oswego, OR 970351518273762
- Charles Gutin, RPHLake Oswego, OR 970351043502644
- Patricia Iazzetti, RPHLake Oswego, OR 970351760786057
- Anita Jafari, PHARM.D.Lake Grove, OR 970351346499225
- Deirdre Johnson, PHARM.D.Lake Oswego, OR 970351396061503
- Helen Liu, PHARM.D.Lake Oswego, OR 970351316129414
Common questions
What is Kenneth Andrew Ernst, RPH's NPI number?
Kenneth Andrew Ernst, RPH's National Provider Identifier (NPI) is 1053628503, issued on Sep 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Andrew Ernst, RPH located?
The NPPES record lists a practice address at 17850 Lower Boones Ferry RD, Lake Oswego, OR, 97035. Phone: (971) 233-0113. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Andrew Ernst, RPH's license?
NPPES lists Oregon license number RPH0012176, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Kenneth Andrew Ernst, RPH prescribe under Medicare Part D?
In 2024, Kenneth Andrew Ernst, RPH had 71 Medicare Part D claims for 68 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.