Isaac Oh, PHARMD
Pharmacist · Anaheim, CA
Isaac Oh, PHARMD is a pharmacist with a practice address in Anaheim, California, and NPI 1033282157, issued on Nov 16, 2006. Check the license (California 58916, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isaac Oh
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 58916 CA
Self-reported in NPPES; status is on the state search - Practice location
- 441 N Lakeview Ave, Anaheim, CA 92807
- Phone
- (714) 279-4382
- Enumerated
- Nov 16, 2006
- Record last updated
- Feb 9, 2008 (not updated in 18 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 441 N Lakeview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isaac Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 58916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average pharmacist in 2024
66 Medicare Part D claims for 32 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Metformin Hcl Er22 claims
- Topiramate14 claims
- Bupropion Hcl Sr13 claims
- Bupropion Hcl11 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.
Isaac Oh among 32,533 pharmacist records in California
Isaac Oh, 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 94% 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 updated2008 · 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).
344 pharmacist records list a practice address in Anaheim
They are 344 of the 9,018 NPPES records with a practice address in Anaheim, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Anaheim → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Robin Bae, PHARMDAnaheim, CA 928071659468643
- Timothy Buhl, PHARM. D.Anaheim, CA 928071467551234
- Dawn ChangAnaheim, CA 928071316038276
- Tai-Ti Chang, PHARM DAnaheim, CA 928071790878387
- Thu Dang, PHARM. D.Anaheim, CA 928071841383668
- Valerie Hamamoto, PHARM. D.Anaheim, CA 928071265520019
- Yeu-Shan Hsieh, PHARM.D.Anaheim, CA 928071679664247
- Miwon Kim, PHARM.D.Anaheim, CA 928071346332418
Common questions
What is Isaac Oh, PHARMD's NPI number?
Isaac Oh, PHARMD's National Provider Identifier (NPI) is 1033282157, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Oh, PHARMD located?
The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (714) 279-4382. Providers update this record themselves, so call before visiting.
How can I verify Isaac Oh, PHARMD's license?
NPPES lists California license number 58916, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Isaac Oh, PHARMD prescribe under Medicare Part D?
In 2024, Isaac Oh, PHARMD had 66 Medicare Part D claims for 32 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.