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VIVIANNA WU DO
NPI 1891373981
Family Medicine in Round Rock, TX

Active since March 30, 2021PECOS EnrolledAccepts Medicare Assignment
425 UNIVERSITY BLVD, ROUND ROCK, TX 78665(512) 509-0200 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 21, 2026, Jan 9, 2026, Apr 1, 2025 and 4 more (7 updates tracked since 2021).

About Vivianna Wu Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

VIVIANNA WU DO (NPI 1891373981) is an individual family medicine provider in Round Rock, Texas, licensed in Texas (U5839) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center At Irving, and maintains a secondary practice location in Irving.

NPPES Registry Identity

NPI1891373981
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameVIVIANNA WUCredential: DO
Location Address425 UNIVERSITY BLVDRound Rock, TX 78665-1360
Mailing AddressPo Box 844658Dallas, TX 75284-4658 · (800) 994-0371
Phone(512) 509-0200
Sole ProprietorNo
Medical School CMSAlabama College Of Osteopathic MedicineGraduated 2021
Enumeration DateMarch 30, 2021
Last NPPES UpdateJanuary 21, 20267 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
✔ NPI 1891373981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · U5839
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
425 UNIVERSITY BLVD, Round Rock, TX 78665
Open in Google Maps ↗

Secondary Practice Location 1

Location 1400 W Lyndon B Johnson Fwy Ste 220Irving, TX 75063-3700 · Phone (972) 817-1000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Vivianna Wu Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456750058
PECOS Enrollment IDI20240826000652
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baylor Scott & White Medical Center At Irving

Acute Care Hospitals · Irving, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450079
Location1901 N Macarthur BlvdIrving, TX 75061 · Dallas County
Emergency services Birthing friendly

Baylor Scott & White Medical Center - Round Rock

Acute Care Hospitals · Round Rock, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670034
Location300 University BlvdRound Rock, TX 78664 · Williamson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78665 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TRACY L HIEBER PT, ATC
Physical Therapist
425 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
JOHELIN F DE FREITAS HERNANDEZ M.D
Pediatrics
425 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
MRS. SHOBHA MATHEW DAVID PA-C
Physician Assistant (Medical)
425 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
JESSICA RAE FERNANDEZ DO
Student in an Organized Health Care Education/Training Program
425 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-3731
BAYLOR SCOTT AND WHITE
Clinic/Center (Mental Health (Including Community Mental Health Center))
425 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (615) 347-3845
BETTY ELIZABETH PRECIADO MPAS, PA-C
Physician Assistant
425 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
DR. ANNA MARIE BERGQUIST MD
Student in an Organized Health Care Education/Training Program
425 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
SANGEETHA PABOLU M.D.
Internal Medicine (Rheumatology)
425 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vivianna Wu's NPI number?

The NPI number for Vivianna Wu is 1891373981. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Where is Vivianna Wu located?

Vivianna Wu practices at 425 University Blvd, Round Rock, TX 78665. The listed phone number is (512) 509-0200.

What is Vivianna Wu's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Vivianna Wu enrolled in Medicare?

Yes. Vivianna Wu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Vivianna Wu accept?

Health plans from Baylor Scott and White Health Plan and Blue Cross and Blue Shield of Texas list Vivianna Wu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Vivianna Wu affiliated with any hospitals?

According to CMS data, Vivianna Wu is affiliated with Baylor Scott & White Medical Center At Irving and Baylor Scott & White Medical Center - Round Rock.

When was this NPI record last updated?

The NPPES record for Vivianna Wu was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.