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Internal Medicine

Fredrick W. Weisensee, MD

Works at hospitals in Corvallis, OR · Albany, OR · Lebanon, OR … · Oregon

Summary

Fredrick W. Weisensee, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Corvallis, OR, Albany, OR and Lebanon, OR and other places. NPI 1275579260. 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 Fredrick W. Weisensee, 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
40Years since medical school (graduated 1986)
Oregon Health Sciences University School Of MedicineMedical school
MaleGender (as listed)
Good Samaritan Hospital CorvallisGroup practice

Quick answers

Which hospitals does Fredrick W. Weisensee work at?
Medicare's official clinician data lists Fredrick W. Weisensee at 4 hospitals: Good Samaritan Regional Medical Center, Samaritan Albany General Hospital, Samaritan Lebanon Community Hospital and Samaritan Pacific Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Fredrick W. Weisensee see patients?
Medicare's clinician data lists 4 practice locations, including Corvallis, OR. Call before your visit to confirm the address.
What is Fredrick W. Weisensee's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Fredrick W. Weisensee accept Medicare assignment?
Yes. Medicare's clinician data says Fredrick W. Weisensee 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 Fredrick W. Weisensee offer telehealth?
Medicare's clinician data says Fredrick W. Weisensee offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Fredrick W. Weisensee?
(541) 768-1261, as listed in official Medicare / NPI Registry data.
What is Fredrick W. Weisensee's NPI number?
1275579260. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Fredrick W. Weisensee works

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

  • 3521 NW Samaritan DrCorvallis, OR 97330
  • 3600 NW Samaritan DrCorvallis, OR 97330
  • 3600 NW Samaritan Dr, Suite 227Corvallis, OR 97330 (541) 768‑1261
  • 3615 NW Samaritan DrCorvallis, OR 97330

Group practices

Medicare enrollment lists Fredrick W. Weisensee as a member of this group (CMS data updated 2026-10-02).

  • Good Samaritan Hospital Corvallis380 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Corvallis

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

All internal medicine doctors in Corvallis →

Clinician information

CredentialMD
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275579260
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