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Internal Medicine

Kalaiselvi Williams, MD

Works at hospitals in Portland, OR · Oregon

Summary

Kalaiselvi Williams, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Portland, OR. NPI 1043768351. 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 Kalaiselvi Williams, 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
26Years since medical school (graduated 2000)
FemaleGender (as listed)
University Professional ServicesGroup practice

Quick answers

Which hospitals does Kalaiselvi Williams work at?
Medicare's official clinician data lists Kalaiselvi Williams at 2 hospitals: Adventist Health Portland and OHSU Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kalaiselvi Williams see patients?
Medicare's clinician data lists 1 practice location in Portland, OR. Call before your visit to confirm the address.
What is Kalaiselvi Williams's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Kalaiselvi Williams accept Medicare assignment?
Yes. Medicare's clinician data says Kalaiselvi Williams 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 Kalaiselvi Williams offer telehealth?
Medicare's clinician data says Kalaiselvi Williams offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Kalaiselvi Williams?
(503) 494-8311, as listed in official Medicare / NPI Registry data.
What is Kalaiselvi Williams's NPI number?
1043768351. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kalaiselvi Williams works

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

Group practices

Medicare enrollment lists Kalaiselvi Williams 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
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1043768351
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