Mark Choi, RPH
Pharmacist · Garden Grove, CA
Mark Choi, RPH is a pharmacist with a practice address in Garden Grove, California, and NPI 1598061012, issued on Jan 31, 2011. Check the license (California PHA30088, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Choi
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- PHA30088 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9240 Garden Grove Blvd Ste 20, Garden Grove, CA 92844
- Phone
- (714) 638-8230
- Enumerated
- Jan 31, 2011
- Record last updated
- Aug 15, 2025
- Fax
- (714) 638-0988
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 9240 Garden Grove Blvd Ste 20
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine LeePharmacist1639689169
Verify Mark Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PHA30088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average pharmacist in 2024
12 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 92% 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.
Mark Choi among 32,533 pharmacist records in California
Mark Choi, RPH 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 2011, is newer than 18% of them.
- NPI issued2011 · 18% of these records are older, 72% 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 updated2025 · 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).
220 pharmacist records list a practice address in Garden Grove
They are 220 of the 4,572 NPPES records with a practice address in Garden Grove, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Garden Grove → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Nicholas ChoiGarden Grove, CA 928441063830941
- Michelle ChonGarden Grove, CA 928441881945913
- Angelline DaoGarden Grove, CA 928441700416674
- Chris Hoang, PHARM.DGarden Grove, CA 928441104225457
- Kwang Jin HwangGarden Grove, CA 928441700236957
- Christine LeeGarden Grove, CA 928441639689169
- Richard Nguyen, PHARM.D.Garden Grove, CA 928441275954208
- Ngoc Han NguyenGarden Grove, CA 928441780059519
Common questions
What is Mark Choi, RPH's NPI number?
Mark Choi, RPH's National Provider Identifier (NPI) is 1598061012, issued on Jan 31, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mark Choi, RPH located?
The NPPES record lists a practice address at 9240 Garden Grove Blvd Ste 20, Garden Grove, CA, 92844. Phone: (714) 638-8230. Providers update this record themselves, so call before visiting.
How can I verify Mark Choi, RPH's license?
NPPES lists California license number PHA30088, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Choi, RPH prescribe under Medicare Part D?
In 2024, Mark Choi, RPH had 12 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.