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Medical Oncology

Jens Rueter, MD

Works at hospitals in Millinocket, ME · Bangor, ME · Maine

Summary

Jens Rueter, MD (Medical Oncology) is listed by Medicare at 2 hospitals in Millinocket, ME and Bangor, ME. NPI 1891995189. 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 Jens Rueter, 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
MaleGender (as listed)
Mount Desert Island HospitalGroup practice

Quick answers

Which hospitals does Jens Rueter work at?
Medicare's official clinician data lists Jens Rueter at 2 hospitals: Millinocket Regional Hospital and Northern Light Eastern Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jens Rueter see patients?
Medicare's clinician data lists 1 practice location in Bar Harbor, ME. Call before your visit to confirm the address.
What is Jens Rueter's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine and Pediatric Medicine.
Does Jens Rueter accept Medicare assignment?
Yes. Medicare's clinician data says Jens Rueter 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 Jens Rueter's NPI number?
1891995189. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jens Rueter works

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

  • 10 Wayman LnBar Harbor, ME 04609

Group practices

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

  • Mount Desert Island Hospital65 clinicians in the group

Specialties

Find other Medical Oncology doctors in Maine →

Other oncologists in Maine

Clinicians with the same Medicare primary specialty in Maine — not a recommendation.

All oncologists in Maine →

Clinician information

CredentialMD
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891995189
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