Ko Eun Yoo, PHARMD
Pharmacist · Simi Valley, CA
Ko Eun Yoo, PHARMD is a pharmacist with a practice address in Simi Valley, California, and NPI 1720625718, issued on Dec 9, 2019. Check the license (California 80986, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ko Eun Yoo
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 80986 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1855 Cochran St, Simi Valley, CA 93065
- Phone
- (805) 522-8063
- Enumerated
- Dec 9, 2019
- Record last updated
- Dec 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 1855 Cochran St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Manish Kumar, PHARMDPharmacist1518554740
- Kellee Lindauer, PHARMDPharmacist1386945822
- Hala Morsi, RPHPharmacist1578863387
Verify Ko Eun Yoo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 80986Check 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, 94% of the cost of the top drugs
110 Medicare Part D claims for 99 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.
- Arexvy36 claims
- Shingrix29 claims
- Boostrix Tdap22 claims
- Abrysvo20 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.
Ko Eun Yoo among 32,533 pharmacist records in California
Ko Eun Yoo, PHARMD is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 67% of them.
- NPI issued2019 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
91 pharmacist records list a practice address in Simi Valley
They are 91 of the 1,397 NPPES records with a practice address in Simi Valley, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Simi Valley → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Catherine ChapmanSimi Valley, CA 930651528368347
- Kirk Davis, RPHSimi Valley, CA 930651437475456
- Michael FaragallahSimi Valley, CA 930651447566716
- Marvin Friedman, PHARM.D.Simi Valley, CA 930651124325832
- James Hoag, RPHSimi Valley, CA 930651861799397
- Anthony Hoyle, R.PH.Simi Valley, CA 930651326316449
- Jill Katz, PHARM DSimi Valley, CA 930651457646671
- Kellee Lindauer, PHARMDSimi Valley, CA 930651386945822
Common questions
What is Ko Eun Yoo, PHARMD's NPI number?
Ko Eun Yoo, PHARMD's National Provider Identifier (NPI) is 1720625718, issued on Dec 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ko Eun Yoo, PHARMD located?
The NPPES record lists a practice address at 1855 Cochran St, Simi Valley, CA, 93065. Phone: (805) 522-8063. Providers update this record themselves, so call before visiting.
How can I verify Ko Eun Yoo, PHARMD's license?
NPPES lists California license number 80986, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ko Eun Yoo, PHARMD prescribe under Medicare Part D?
In 2024, Ko Eun Yoo, PHARMD had 110 Medicare Part D claims for 99 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.