Vivian Ou, FNP
NPI 1891242848 · Acute Care Clinical Nurse Specialist · Mesquite, TX
Vivian Ou, FNP is a Acute Care Clinical Nurse Specialist provider in Mesquite, TX (NPI 1891242848).
Provider details
- NPI number
- 1891242848
- Entity type
- Individual
- Primary specialty
- Acute Care Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP131201 (TX)
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
9 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 25 | 13 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 24 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 19 |
| Losartan Potassium | 16 | — |
| Metformin Hcl | 15 | — |
| Amlodipine Besylate | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2016-09-07
- Last updated
- 2016-09-07
Frequently asked questions
- What is Vivian Ou's NPI number?
- Vivian Ou's National Provider Identifier (NPI) is 1891242848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Ou's specialty?
- Vivian Ou is listed in the NPPES registry with a primary specialty of Acute Care Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Vivian Ou located?
- Vivian Ou's practice location on file with NPPES is 1011 N Galloway Ave, Mesquite, TX 75149-2433.
- What is Vivian Ou's phone number?
- The practice phone number listed in the NPPES registry for Vivian Ou is (214) 319-2724.
- Is Vivian Ou's NPI active?
- Yes — Vivian Ou's NPI (1891242848) is active in the NPPES registry as of the last update on 2016-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.