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Internal Medicine

Mark Bueno, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Mark Bueno, MD (Internal Medicine) is listed by Medicare at 1 hospital in Phoenix, AZ. NPI 1154855179. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mark Bueno, 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
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
MaleGender (as listed)
District Medical Group IncGroup practice

Quick answers

Which hospitals does Mark Bueno work at?
Medicare's official clinician data lists Mark Bueno at 1 hospital: Valleywise Health Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark Bueno 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 Mark Bueno's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mark Bueno accept Medicare assignment?
Yes. Medicare's clinician data says Mark Bueno accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Mark Bueno?
(602) 344-5011, as listed in official Medicare / NPI Registry data.
What is Mark Bueno's NPI number?
1154855179. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark Bueno works

Medicare's Facility Affiliation Data lists Mark Bueno at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mark Bueno is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark Bueno as a member of this group (CMS data updated 2026-10-02).

  • District Medical Group Inc458 clinicians in the group

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
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154855179
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians