Diem Kieu Nguyen
Pharmacist · Sacramento, CA
Diem Kieu Nguyen is a pharmacist with a practice address in Sacramento, California, and NPI 1831649037, issued on Oct 12, 2016. Check the license (California RPH 75052, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diem Kieu Nguyen
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH 75052 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5610 Stockton Blvd, Sacramento, CA 95824
- Phone
- (916) 737-0260
- Enumerated
- Oct 12, 2016
- Record last updated
- Oct 12, 2016 (not updated in 10 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 5610 Stockton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thuytrang DangPharmacist1750087284
- Salim DaoukPharmacist1083934764
- Consuelo EspinozaPharmacy Technician1225798739
- Lorie GarlickPharmacist1972823086
- Charles HuberPharmacist1942521380
- Ha Le, PHAM. DPharmacist1497066906
Verify Diem Kieu Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH 75052Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average pharmacist in 2024
23 Medicare Part D claims for 18 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.
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.
Diem Kieu Nguyen among 32,533 pharmacist records in California
Diem Kieu Nguyen 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 2016, is newer than 47% of them.
- NPI issued2016 · 47% of these records are older, 47% 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 updated2016 · 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).
942 pharmacist records list a practice address in Sacramento
They are 942 of the 33,083 NPPES records with a practice address in Sacramento, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Sacramento → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Crystal ChanSacramento, CA 958241649684820
- Thuytrang DangSacramento, CA 958241750087284
- Salim DaoukSacramento, CA 958241083934764
- Lorie GarlickSacramento, CA 958241972823086
- Harpreet GillSacramento, CA 958241184143984
- Charles HuberSacramento, CA 958241942521380
- Edward Huynh, PHARM.DSacramento, CA 958241144680778
- Ha Le, PHAM. DSacramento, CA 958241497066906
Common questions
What is Diem Kieu Nguyen's NPI number?
Diem Kieu Nguyen's National Provider Identifier (NPI) is 1831649037, issued on Oct 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Diem Kieu Nguyen located?
The NPPES record lists a practice address at 5610 Stockton Blvd, Sacramento, CA, 95824. Phone: (916) 737-0260. Providers update this record themselves, so call before visiting.
How can I verify Diem Kieu Nguyen's license?
NPPES lists California license number RPH 75052, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Diem Kieu Nguyen prescribe under Medicare Part D?
In 2024, Diem Kieu Nguyen had 23 Medicare Part D claims for 18 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.