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ASHLEY BUI MD
NPI 1164818399
Pediatrics - Hospice and Palliative Medicine in Phoenix, AZ

Active since April 14, 2015PECOS Enrolled
1919 E THOMAS RD, PHOENIX, AZ 85016(602) 933-1000 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 17, 2026, Mar 6, 2025 (2 updates tracked since 2025).

About Ashley Bui Md NPPES

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

ASHLEY BUI MD (NPI 1164818399) is an individual hospice and palliative medicine provider in Phoenix, Arizona, licensed in Texas (R5372) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164818399
Entity TypeIndividualFemale
Primary Taxonomy2080H0002X
Provider Legal NameASHLEY BUICredential: MD
Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710
Mailing Address1919 E Thomas RdPhoenix, AZ 85016-7710 · (602) 933-1000
Phone(602) 933-1000
Sole ProprietorNo
Enumeration DateApril 14, 2015
Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1164818399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080H0002X
License✔ Licensed in TX · R5372
Definition
A pediatrician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Also ListedPediatricsTaxonomy 208000000X · License BP10053048 (TX)
1919 E THOMAS RD, Phoenix, AZ 85016
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ashley Bui Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Ashley Bui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Texas Southwestern Medical Center At Dallas
345 mi
Internal Medicine
1625 MEDICAL CENTER DR
El Paso, TX 79902
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group
NPI 1235384199 (214) 645-0624

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DR. TIMUR RAGHIB M.D.
Hospitalist
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0777
MRS. MARIA T ESCOBAR CSP, RD
Dietitian, Registered
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (480) 440-2787
DR. AHMAR HUSAIN MD
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
MRS. SOLEE R COWLEY LCSW
Social Worker (Clinical)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0414
MR. SEAN PATRICK BRADY DO
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
PRIYA PRASHER M.D.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1900
DR. AMIT RAJARAM D.O.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0198
LAURA GARDNER HAMANT
Pediatrics (Pediatric Gastroenterology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1000

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 Ashley Bui's NPI number?

The NPI number for Ashley Bui is 1164818399. It was assigned to this individual provider in the NPPES registry on April 14, 2015.

Where is Ashley Bui located?

Ashley Bui practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-1000.

What is Ashley Bui's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Hospice and Palliative Medicine, with taxonomy code 2080H0002X.

Is Ashley Bui enrolled in Medicare?

Yes. Ashley Bui is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ashley Bui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Bui reassigns Medicare benefits to University Of Texas Southwestern Medical Center At Dallas (El Paso, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ashley Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ashley Bui was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.