NPPES file of Aug 9, 2026

Phillip Nguyen

Pharmacist · Grass Valley, CA

Phillip Nguyen is a pharmacist with a practice address in Grass Valley, California, and NPI 1043661838, issued on Jun 23, 2016. Check the license (California 73009, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043661838
Name
Phillip Nguyen
Primary taxonomy
Pharmacist 183500000X
License number
73009 CA
Self-reported in NPPES; status is on the state search
Practice location
321 S Church St, Grass Valley, CA 95945
Phone
(916) 595-0558
Enumerated
Jun 23, 2016
Record last updated
Jun 23, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Phillip Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 73009
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average pharmacist in 2024

15 Medicare Part D claims, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.

  1. Phillip Nguyen15
  2. Specialty average119

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.

Phillip Nguyen among 32,533 pharmacist records in California

Phillip 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).

39 pharmacist records list a practice address in Grass Valley

They are 39 of the 1,540 NPPES records with a practice address in Grass Valley, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Michelle Britton, RPHGrass Valley, CA 959451457653008
  2. David Demartini, RPHGrass Valley, CA 959451356433387
  3. Alan Demartini, PHARM.DGrass Valley, CA 959451134403363
  4. Christopher Gordon, PHARM DGrass Valley, CA 959451700176005
  5. Kristen Gorski, PHARM DGrass Valley, CA 959451962646737
  6. Peter Hackland, RPH PHDGrass Valley, CA 959451457679490
  7. Thao Ho, RPHGrass Valley, CA 959451780960963
  8. Leslie Honey, PHARMDGrass Valley, CA 959451982796926

Common questions

What is Phillip Nguyen's NPI number?

Phillip Nguyen's National Provider Identifier (NPI) is 1043661838, issued on Jun 23, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Phillip Nguyen located?

The NPPES record lists a practice address at 321 S Church St, Grass Valley, CA, 95945. Phone: (916) 595-0558. Providers update this record themselves, so call before visiting.

How can I verify Phillip Nguyen's license?

NPPES lists California license number 73009, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Phillip Nguyen prescribe under Medicare Part D?

In 2024, Phillip Nguyen had 15 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.