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Critical Care (Intensivists)

Sarah M. Upson, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Sarah M. Upson, MD (Critical Care (Intensivists)) is listed by Medicare at 1 hospital in Tucson, AZ. NPI 1639675127. 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 Sarah M. Upson, 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

Critical Care (Intensivists)Primary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
FemaleGender (as listed)
TMC Medical NetworkGroup practice

Quick answers

Which hospitals does Sarah M. Upson work at?
Medicare's official clinician data lists Sarah M. Upson at 1 hospital: Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sarah M. Upson see patients?
Medicare's clinician data lists 1 practice location in Tucson, AZ. Call before your visit to confirm the address.
What is Sarah M. Upson's specialty?
Medicare lists Critical Care (Intensivists) as the primary specialty, and also Pulmonary Disease.
Does Sarah M. Upson accept Medicare assignment?
Yes. Medicare's clinician data says Sarah M. Upson 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 Sarah M. Upson?
(520) 324-4230, as listed in official Medicare / NPI Registry data.
What is Sarah M. Upson's NPI number?
1639675127. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sarah M. Upson works

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

Group practices

Medicare enrollment lists Sarah M. Upson as a member of this group (CMS data updated 2026-10-02).

  • TMC Medical Network281 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Arizona →

Other critical care doctors in Tucson

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

All critical care doctors in Tucson →

Clinician information

CredentialMD
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639675127
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