Diana Nguyen, NP
NPI 1841966777 · Psychiatric/Mental Health Nurse Practitioner · Costa Mesa, CA
Diana Nguyen, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Costa Mesa, CA (NPI 1841966777).
Provider details
- NPI number
- 1841966777
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95018050 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
4 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$305 across 4 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
- 2021-08-20
- Last updated
- 2025-10-20
- Certified
- 2025-10-20
Frequently asked questions
- What is Diana Nguyen's NPI number?
- Diana Nguyen's National Provider Identifier (NPI) is 1841966777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Nguyen's specialty?
- Diana Nguyen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Nguyen located?
- Diana Nguyen's practice location on file with NPPES is 1150 Baker St, Costa Mesa, CA 92626-4111.
- What is Diana Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Diana Nguyen is (714) 662-7517.
- Is Diana Nguyen's NPI active?
- Yes — Diana Nguyen's NPI (1841966777) is active in the NPPES registry as of the last update on 2025-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.