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Internal Medicine

Allen M. Yu, MD

Sees patients in Phoenix, AZ · Mesa, AZ · Arizona

Summary

Allen M. Yu, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Phoenix, AZ and Mesa, AZ. NPI 1396440566. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Allen M. Yu, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
3Years since medical school (graduated 2023)
University Of Arizona College Of Medicine - PhoenixMedical school
MaleGender (as listed)

Quick answers

Where does Allen M. Yu see patients?
Medicare's clinician data lists 2 practice locations, including Phoenix, AZ and Mesa, AZ. Call before your visit to confirm the address.
What is Allen M. Yu's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Allen M. Yu accept Medicare assignment?
Medicare's clinician data says Allen M. Yu may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Allen M. Yu's NPI number?
1396440566. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Allen M. Yu is enrolled with Medicare (CMS data updated 2026-10-02).

  • 475 N 5th StPhoenix, AZ 85004
  • 525 W Brown RdMesa, AZ 85201

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

All internal medicine doctors in Phoenix →

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine - Phoenix
Graduation year2023
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1396440566
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians