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Critical Care (Intensivists)

Sunil Natrajan, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Sunil Natrajan, MD (Critical Care (Intensivists)) is listed by Medicare at 2 hospitals in Tucson, AZ. NPI 1831181189. 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 Sunil Natrajan, 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
YesOffers telehealth
37Years since medical school (graduated 1989)
Hahnemann University College Of MedicineMedical school
MaleGender (as listed)
Nuvoair Medical PCGroup practice (+1 more)

Quick answers

Which hospitals does Sunil Natrajan work at?
Medicare's official clinician data lists Sunil Natrajan at 2 hospitals: Northwest Medical Center and Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sunil Natrajan see patients?
Medicare's clinician data lists 2 practice locations, including Tucson, AZ. Call before your visit to confirm the address.
What is Sunil Natrajan's specialty?
Medicare lists Critical Care (Intensivists) as the primary specialty, and also Pulmonary Disease.
Does Sunil Natrajan accept Medicare assignment?
Yes. Medicare's clinician data says Sunil Natrajan 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.
Does Sunil Natrajan offer telehealth?
Medicare's clinician data says Sunil Natrajan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sunil Natrajan?
(520) 447-7411, as listed in official Medicare / NPI Registry data.
What is Sunil Natrajan's NPI number?
1831181189. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sunil Natrajan works

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

Group practices

Medicare enrollment lists Sunil Natrajan as a member of these groups (CMS data updated 2026-10-02).

  • Nuvoair Medical PC17 clinicians in the group
  • Natrajan Enterprises PLLC5 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
Medical schoolHahnemann University College Of Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1831181189
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