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Hospitalist

Ulaganathan Natarajan

Works at hospitals in Portland, OR · Oregon

Summary

Ulaganathan Natarajan (Hospitalist) is listed by Medicare at 1 hospital in Portland, OR. NPI 1407437007. 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 Ulaganathan Natarajan, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
MaleGender (as listed)
Providence Health and Services OregonGroup practice (+1 more)

Quick answers

Which hospitals does Ulaganathan Natarajan work at?
Medicare's official clinician data lists Ulaganathan Natarajan at 1 hospital: Providence Portland Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ulaganathan Natarajan see patients?
Medicare's clinician data lists 2 practice locations, including Portland, OR. Call before your visit to confirm the address.
What is Ulaganathan Natarajan's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Ulaganathan Natarajan accept Medicare assignment?
Yes. Medicare's clinician data says Ulaganathan Natarajan 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 Ulaganathan Natarajan?
(503) 215-1111, as listed in official Medicare / NPI Registry data.
What is Ulaganathan Natarajan's NPI number?
1407437007. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ulaganathan Natarajan works

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

Group practices

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

  • Providence Health and Services Oregon1,433 clinicians in the group
  • Providence Health and Services - Oregon191 clinicians in the group

Specialties

Find other Hospitalist doctors in Oregon →

Other hospitalists in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

All hospitalists in Portland →

Clinician information

Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407437007
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