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Anesthesiology

Michael Louthan, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Michael Louthan, MD (Anesthesiology) is listed by Medicare at 1 hospital in Tucson, AZ. NPI 1013994276. 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 Michael Louthan, 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
34Years since medical school (graduated 1992)
Indiana University School Of MedicineMedical school
MaleGender (as listed)
Ias Arizona PLLCGroup practice

Quick answers

Which hospitals does Michael Louthan work at?
Medicare's official clinician data lists Michael Louthan at 1 hospital: Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Louthan see patients?
Medicare's clinician data lists 2 practice locations, including Tucson, AZ. Call before your visit to confirm the address.
What is Michael Louthan's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Michael Louthan accept Medicare assignment?
Yes. Medicare's clinician data says Michael Louthan 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 Michael Louthan?
(520) 207-2546, as listed in official Medicare / NPI Registry data.
What is Michael Louthan's NPI number?
1013994276. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Louthan works

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

Group practices

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

  • Ias Arizona PLLC114 clinicians in the group

Specialties

Find other Anesthesiology doctors in Arizona →

Other anesthesiologists in Tucson

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

All anesthesiologists in Tucson →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013994276
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