NPPES file of Aug 9, 2026

Katie T. Nguyen, FNP

Nurse Practitioner · Downey, CA

Katie T. Nguyen, FNP is a nurse practitioner with a practice address in Downey, California, and NPI 1851839880, issued on Feb 10, 2017. Check the license (California 95005943, 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
1851839880
Name
Katie T. Nguyen
Credential
FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95005943 CA
Self-reported in NPPES; status is on the state search
Practice location
11942 Paramount Blvd, Downey, CA 90242
Phone
(562) 923-6060
Enumerated
Feb 10, 2017
Record last updated
Feb 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(562) 923-6601
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.
Download card Updates feed

8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →

Also registered at 11942 Paramount Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alessandra AdamoNurse Practitioner1295228799
  2. Ebony Bankhead, FNPFamily Nurse Practitioner1811406168
  3. Brenda BernalFamily Nurse Practitioner1649646738
  4. Maribel Brand, DDSDentist1154509180
  5. Yunji Kim, NPPrimary Care Nurse Practitioner1144786369
  6. Wendy Nguyen, PA-CMedical Physician Assistant1508249962

Verify Katie T. 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 95005943    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

91% fewer Medicare Part D claims than the average nurse practitioner in 2024

97 Medicare Part D claims for 49 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Katie Nguyen97
  2. Specialty average1,109

Most prescribed

  1. Azithromycin14 claims
  2. Doxycycline Monohydrate13 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.

Katie T. Nguyen among 8,223 nurse practitioner records in California

Katie T. Nguyen, FNP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 52% of them.

  • NPI issued2017 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2017 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

All 8,223 in California → Every provider in Downey → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Alessandra AdamoDowney, CA 902421295228799
  2. Ceff Cabanban, RN, NP-CDowney, CA 902421467903385
  3. Juliet Gonzales, NURSE PRACTITIONERDowney, CA 902421912426719
  4. Laura Lopez, FNP-CDowney, CA 902421013880392
  5. Teresa Mendoza, NPDowney, CA 902421336216191
  6. Helen NjokuDowney, CA 902421528692217
  7. Joseph Villanueva, NPDowney, CA 902421104230259
  8. Anne Gail ApostolDowney, CA 902411801633805

Common questions

What is Katie T. Nguyen, FNP's NPI number?

Katie T. Nguyen, FNP's National Provider Identifier (NPI) is 1851839880, issued on Feb 10, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Katie T. Nguyen, FNP located?

The NPPES record lists a practice address at 11942 Paramount Blvd, Downey, CA, 90242. Phone: (562) 923-6060. Providers update this record themselves, so call before visiting.

How can I verify Katie T. Nguyen, FNP's license?

NPPES lists California license number 95005943, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katie T. Nguyen, FNP prescribe under Medicare Part D?

In 2024, Katie T. Nguyen, FNP had 97 Medicare Part D claims for 49 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.