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Internal Medicine

Reem Hasan, MD

Works at hospitals in Portland, OR · Oregon

Summary

Reem Hasan, MD (Internal Medicine) is listed by Medicare at 1 hospital in Portland, OR. NPI 1003109935. 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 Reem Hasan, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
15Years since medical school (graduated 2011)
University Of North Carolina At Chapel Hill School Of MedicineMedical school
FemaleGender (as listed)
University Professional ServicesGroup practice

Quick answers

Which hospitals does Reem Hasan work at?
Medicare's official clinician data lists Reem Hasan at 1 hospital: OHSU Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Reem Hasan see patients?
Medicare's clinician data lists 1 practice location in Portland, OR. Call before your visit to confirm the address.
What is Reem Hasan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Reem Hasan accept Medicare assignment?
Yes. Medicare's clinician data says Reem Hasan 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 Reem Hasan offer telehealth?
Medicare's clinician data says Reem Hasan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Reem Hasan?
(503) 494-8311, as listed in official Medicare / NPI Registry data.
What is Reem Hasan's NPI number?
1003109935. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Reem Hasan works

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

Group practices

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

  • University Professional Services1,724 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Portland

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

All internal medicine doctors in Portland →

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year2011
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1003109935
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