Provider Profile
Diana Nguyen, NP
Unclaimed ProfileAbout Diana Nguyen
Listed in the NPI registry as a nurse practitioner, Diana Nguyen, NP practices in Westminster, CA. Diana is also listed as specializing in nurse practitioner — acute care. According to Medicare claims data, Diana cared for 148 Medicare patients across 1,653 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, critical care, first 30-74 minutes, and advance care planning, first 30 minutes. NPI 1174160410 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 334-5068
- Email not available
Practice Locations
200 HOSPITAL CIR
Westminster, CA 92683
Procedures Most Often Billed to Medicare
1,653 services · 148 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
1,271 | More than most peers in Nurse Practitioner |
| Critical care, first 30-74 minutes | Office visit | 99291 |
312 | More than most peers in Nurse Practitioner |
| Advance care planning, first 30 minutes | Office visit | 99497 |
42 | As often as other peers in Nurse Practitioner |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
28 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Westminster 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Diana Nguyen specialize in?
Diana Nguyen is a nurse practitioner in Westminster, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Diana Nguyen located?
Diana Nguyen is listed at 200 Hospital Cir, Westminster, CA 92683. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Diana Nguyen's phone number?
The number on file is (714) 334-5068. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Diana Nguyen's NPI number?
Diana Nguyen's National Provider Identifier is 1174160410. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Diana Nguyen train?
Diana Nguyen attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Diana Nguyen been practicing?
Diana Nguyen has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What does Diana Nguyen do most often?
According to Medicare billing data, Diana Nguyen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Diana Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Diana Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.