Annie Nguyen, NP
NPI 1992580559 · Nurse Practitioner · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Nguyen, NP is a Nurse Practitioner provider in Rancho Cucamonga, CA (NPI 1992580559).
Provider details
- NPI number
- 1992580559
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95026339 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 49 | 22 |
| Amlodipine Besylate | 47 | 18 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 40 | 17 |
| Sacubitril/Valsartanbrand: Entresto | 33 | — |
| Furosemide | 31 | 14 |
| Metoprolol Tartrate | 30 | 14 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-08-30
- Last updated
- 2023-08-30
- Certified
- 2023-08-29
Frequently asked questions
- What is Annie Nguyen's NPI number?
- Annie Nguyen's National Provider Identifier (NPI) is 1992580559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Nguyen's specialty?
- Annie Nguyen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Annie Nguyen located?
- Annie Nguyen's practice location on file with NPPES is 8330 Red Oak St Ste 101, Rancho Cucamonga, CA 91730-0603.
- What is Annie Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Annie Nguyen is (909) 987-4922.
- Does Annie Nguyen accept Medicare?
- Annie Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Nguyen's NPI active?
- Yes — Annie Nguyen's NPI (1992580559) is active in the NPPES registry as of the last update on 2023-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.