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Anesthesiology

John B. Leslie, MD

Works at hospitals in Tucson, AZ · Phoenix, AZ · Arizona

Summary

John B. Leslie, MD (Anesthesiology) is listed by Medicare at 2 hospitals in Tucson, AZ and Phoenix, AZ. NPI 1952384026. 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 John B. Leslie, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
50Years since medical school (graduated 1976)
Duke University School Of MedicineMedical school
MaleGender (as listed)
Mayo Clinic ArizonaGroup practice (+1 more)

Quick answers

Which hospitals does John B. Leslie work at?
Medicare's official clinician data lists John B. Leslie at 2 hospitals: Banner - University Medical Center Tucson Campus and Mayo Clinic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John B. Leslie see patients?
Medicare's clinician data lists 3 practice locations, including Scottsdale, AZ and Tucson, AZ. Call before your visit to confirm the address.
What is John B. Leslie's specialty?
Medicare lists Anesthesiology as the primary specialty, and also Pain Management.
Does John B. Leslie accept Medicare assignment?
Yes. Medicare's clinician data says John B. Leslie 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 John B. Leslie?
(480) 301-8000, as listed in official Medicare / NPI Registry data.
What is John B. Leslie's NPI number?
1952384026. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John B. Leslie works

Medicare's Facility Affiliation Data lists John B. Leslie 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 John B. Leslie is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John B. Leslie as a member of these groups (CMS data updated 2026-10-02).

  • Mayo Clinic Arizona1,626 clinicians in the group
  • Banner-University Medical Group1,072 clinicians in the group

Specialties

Find other Anesthesiology doctors in Arizona →

Other anesthesiologists in Scottsdale

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

All anesthesiologists in Scottsdale →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year1976
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952384026
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