Eun J. Gak, PHARM.D.
Pharmacist · Granada Hills, CA
Eun J. Gak, PHARM.D. is a pharmacist with a practice address in Granada Hills, California, and NPI 1063840825, issued on Oct 14, 2013. Check the license (California 54146, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eun J. Gak
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 54146 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10700 Balboa Blvd # 101, Granada Hills, CA 91344
- Phone
- (818) 831-2090
- Enumerated
- Oct 14, 2013
- Record last updated
- Oct 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (818) 831-2976
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Verify Eun J. Gak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 54146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average pharmacist in 2024
16 Medicare Part D claims, 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.
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.
Eun J. Gak among 32,533 pharmacist records in California
Eun J. Gak, PHARM.D. 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 2013, is newer than 32% of them.
- NPI issued2013 · 32% of these records are older, 65% 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 updated2013 · 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).
50 pharmacist records list a practice address in Granada Hills
They are 50 of the 671 NPPES records with a practice address in Granada Hills, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Granada Hills → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Gilbert Andonian, RPHGranada Hills, CA 913441932411840
- Silva Andonian, PHARM.D.Granada Hills, CA 913441306128343
- Adena Asatoorian, DOCTOR OF PHARMACYGranada Hills, CA 913441245486885
- Stephen Cherman, RPHGranada Hills, CA 913441831186873
- Ken Eng, RPHGranada Hills, CA 913441871648295
- Marine Harper, PHARMDGranada Hills, CA 913441922210111
- Nili KhademiGranada Hills, CA 913441356658660
- Meehwa KimGranada Hills, CA 913441194044230
Common questions
What is Eun J. Gak, PHARM.D.'s NPI number?
Eun J. Gak, PHARM.D.'s National Provider Identifier (NPI) is 1063840825, issued on Oct 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Eun J. Gak, PHARM.D. located?
The NPPES record lists a practice address at 10700 Balboa Blvd # 101, Granada Hills, CA, 91344. Phone: (818) 831-2090. Providers update this record themselves, so call before visiting.
How can I verify Eun J. Gak, PHARM.D.'s license?
NPPES lists California license number 54146, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Eun J. Gak, PHARM.D. prescribe under Medicare Part D?
In 2024, Eun J. Gak, PHARM.D. had 16 Medicare Part D claims; 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.