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Hospitalist

Peter D. Sullivan, MD

Works at hospitals in Portland, OR · Oregon

Summary

Peter D. Sullivan, MD (Hospitalist) is listed by Medicare at 1 hospital in Portland, OR. NPI 1558468322. 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 Peter D. Sullivan, 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
32Years since medical school (graduated 1994)
University Of California, Davis School Of MedicineMedical school
MaleGender (as listed)
University Professional ServicesGroup practice

Quick answers

Which hospitals does Peter D. Sullivan work at?
Medicare's official clinician data lists Peter D. Sullivan at 1 hospital: OHSU Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Peter D. Sullivan see patients?
Medicare's clinician data lists 2 practice locations, including Beaverton, OR and Portland, OR. Call before your visit to confirm the address.
What is Peter D. Sullivan's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Peter D. Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Peter D. Sullivan 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 Peter D. Sullivan?
(503) 494-8311, as listed in official Medicare / NPI Registry data.
What is Peter D. Sullivan's NPI number?
1558468322. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Peter D. Sullivan works

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

Group practices

Medicare enrollment lists Peter D. Sullivan as a member of this group (CMS data updated 2026-10-02).

  • University Professional Services1,724 clinicians in the group

Specialties

Find other Hospitalist doctors in Oregon →

Other hospitalists in Beaverton

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

All hospitalists in Beaverton →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558468322
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