VIVIAN CHANG YEN-XU MD
NPI 1891324463
Anesthesiology in Dallas, TX

Active since April 06, 2020PECOS EnrolledAccepts Medicare Assignment
12222 MERIT DR STE 600, DALLAS, TX 75251(972) 715-5000(972) 715-9976 Get Directions Write a Review

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 6, 2025, Apr 6, 2020 (2 updates tracked since 2020).

About Vivian Chang Yen-xu Md NPPES

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

VIVIAN CHANG YEN-XU MD (NPI 1891324463) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (U7087) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Medical City Dallas Hospital, and is a graduate of Wake Forest University School Of Medicine (2020).

NPPES Registry Identity

NPI1891324463
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameVIVIAN CHANG YEN-XUCredential: MD
Location Address12222 MERIT DR STE 600Dallas, TX 75251-3294
Mailing AddressPo Box 840853Dallas, TX 75284-0853 · (972) 233-1999 · Fax (972) 233-3666
Fax(972) 715-9976
Sole ProprietorNo
Medical School CMSWake Forest University School Of MedicineGraduated 2020
Enumeration DateApril 6, 2020
Last NPPES UpdateNovember 6, 20252 updates tracked since enumeration
NPPES CertifiedNovember 6, 2025
NPI 1891324463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in TX · U7087
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
12222 MERIT DR STE 600, Dallas, TX 75251

Other Names 1

Former Name (1)Vivian Chang Xu Md

Accepted 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

Vivian Chang Yen-xu Md 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 ID2163913047
PECOS Enrollment IDI20251118005110
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 4

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

Medical City Dallas Hospital

Acute Care Hospitals · Dallas, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450647
Location7777 Forest LaneDallas, TX 75230 · Dallas County
Emergency services Birthing friendly

Baylor Scott & White Medical Center Plano

Acute Care Hospitals · Plano, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number450890
Location4700 Alliance BoulevardPlano, TX 75093 · Collin County
Emergency services

The Heart Hospital Baylor Denton

Acute Care Hospitals · Denton, TX
5/5 CMS rating
OwnershipPhysician
CMS Certification Number450893
Location2801 South Mayhill RoadDenton, TX 76208 · Denton County
Emergency services

Baylor Scott & White The Heart Hospital - Plano

Acute Care Hospitals · Plano, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number670025
Location1100 Allied DrivePlano, TX 75093 · Collin County
Emergency services

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.

Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Anesthesiology
12222 MERIT DR STE 600
DALLAS, TX 75251
Anesthesiology
12222 MERIT DR STE 600
DALLAS, TX 75251
Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Anesthesiology
12222 MERIT DR STE 600
DALLAS, TX 75251
Anesthesiology
12222 MERIT DR STE 600
DALLAS, TX 75251

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 Vivian Yen-xu's NPI number?

The NPI number for Vivian Yen-xu is 1891324463. It was assigned to this individual provider in the NPPES registry on April 6, 2020. The provider is also known as Vivian Chang Xu MD.

Where is Vivian Yen-xu located?

Vivian Yen-xu practices at 12222 Merit Dr Ste 600, Dallas, TX 75251. The listed phone number is (972) 715-5000.

What is Vivian Yen-xu's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Vivian Yen-xu enrolled in Medicare?

Yes. Vivian Yen-xu 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 Vivian Yen-xu accept?

Health plans from Baylor Scott and White Health Plan and Blue Cross and Blue Shield of Texas list Vivian Yen-xu 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 Vivian Yen-xu affiliated with any hospitals?

According to CMS data, Vivian Yen-xu is affiliated with Medical City Dallas Hospital, Baylor Scott & White Medical Center Plano, The Heart Hospital Baylor Denton and Baylor Scott & White The Heart Hospital - Plano.

When was this NPI record last updated?

The NPPES record for Vivian Yen-xu was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.