Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Gastroenterology

John Randles, MD

Works at hospitals in Clackamas, OR · Oregon

Summary

John Randles, MD (Gastroenterology) is listed by Medicare at 1 hospital in Clackamas, OR. NPI 1811139256. 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 John Randles, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Oregon Health Sciences University School Of MedicineMedical school
MaleGender (as listed)
Kaiser Foundation Health Plan of the NorthwestGroup practice

Quick answers

Which hospitals does John Randles work at?
Medicare's official clinician data lists John Randles at 1 hospital: Kaiser Sunnyside Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Randles see patients?
Medicare's clinician data lists 1 practice location in Clackamas, OR. Call before your visit to confirm the address.
What is John Randles's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does John Randles accept Medicare assignment?
Yes. Medicare's clinician data says John Randles 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 John Randles?
(800) 813-2000, as listed in official Medicare / NPI Registry data.
What is John Randles's NPI number?
1811139256. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Randles works

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

Group practices

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

  • Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group

Specialties

Find other Gastroenterology doctors in Oregon →

Other gastroenterologists in Clackamas

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

All gastroenterologists in Clackamas →

Clinician information

CredentialMD
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811139256
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