1. Home
  2. Directory
  3. Arizona
  4. Phoenix
  5. Emergency Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANA M BUI M.D.
NPI 1003890872
Emergency Medicine in Phoenix, AZ

Active since December 05, 2005
5777 E MAYO BLVD, PHOENIX, AZ 85054(480) 301-8000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Diana M Bui M.d. NPPES

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

DIANA M BUI M.D. (NPI 1003890872) is an individual emergency medicine provider in Phoenix, Arizona, licensed in Arizona (34060) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1003890872
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDIANA M BUICredential: M.D.
Location Address5777 E MAYO BLVDPhoenix, AZ 85054-4502
Mailing Address5777 E Mayo BlvdPhoenix, AZ 85054-4502 · (480) 301-8000
Phone(480) 301-8000
Sole ProprietorNo
Enumeration DateDecember 5, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1003890872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in AZ · 34060
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
5777 E MAYO BLVD, Phoenix, AZ 85054
Open in Google Maps ↗

Other Identifiers 3

Other86080015085259D012AZ · Triwest
Medicaid945280AZ
OtherP00229610AZ · Rr Medicare

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.

MEAGAN ELIZABETH TIBBO M.D.
Orthopaedic Surgery
5777 E MAYO BLVD
PHOENIX, AZ 85054
Maricopa County (480) 515-6296
MISS AMY LETICIA BROWN PA-C
Physician Assistant
5777 E MAYO BLVD
PHOENIX, AZ 85054
Maricopa County (480) 301-8000
KRISTINA YANCEY
Radiology (Diagnostic Radiology)
5777 E MAYO BLVD
PHOENIX, AZ 85054
Maricopa County (480) 342-2000
KATHERINE ANNE LESPRON LMSW
Social Worker
5777 E MAYO BLVD
PHOENIX, AZ 85054
Maricopa County (480) 342-4005
KASSANDRA HYDE APRN
Clinical Nurse Specialist
5777 E MAYO BLVD
PHOENIX, AZ 85054
Maricopa County (480) 342-3962
JENNIFER S PALERMO P.A.
Physician Assistant
5777 E MAYO BLVD
PHOENIX, AZ 85054
Maricopa County (480) 301-8000
ALICIA CHEN M.D.
Radiology (Diagnostic Radiology)
5777 E MAYO BLVD
PHOENIX, AZ 85054
Maricopa County (480) 301-8000
MICHELLE LYNN WEILER BSN, MSN-FNP
Nurse Practitioner (Family)
5777 E MAYO BLVD
PHOENIX, AZ 85054
Maricopa County (480) 342-2000

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 Diana Bui's NPI number?

The NPI number for Diana Bui is 1003890872. It was assigned to this individual provider in the NPPES registry on December 5, 2005.

Where is Diana Bui located?

Diana Bui practices at 5777 E Mayo Blvd, Phoenix, AZ 85054. The listed phone number is (480) 301-8000.

What is Diana Bui's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Diana Bui was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.