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

Internal Medicine

Spencer P. Larson, MD

Works at hospitals in Madras, OR · Bend, OR · Prineville, OR · Oregon

Summary

Spencer P. Larson, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Madras, OR, Bend, OR and Prineville, OR. NPI 1508363045. 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 Spencer P. Larson, 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
8Years since medical school (graduated 2018)
Creighton University School Of MedicineMedical school
MaleGender (as listed)
Bend Memorial Clinic PCGroup practice

Quick answers

Which hospitals does Spencer P. Larson work at?
Medicare's official clinician data lists Spencer P. Larson at 3 hospitals: St Charles Madras, St Charles Medical Center - Bend and St Charles Medical Center Prineville. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Spencer P. Larson see patients?
Medicare's clinician data lists 1 practice location in Bend, OR. Call before your visit to confirm the address.
What is Spencer P. Larson's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Spencer P. Larson accept Medicare assignment?
Yes. Medicare's clinician data says Spencer P. Larson 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 Spencer P. Larson offer telehealth?
Medicare's clinician data says Spencer P. Larson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Spencer P. Larson?
(541) 382-2811, as listed in official Medicare / NPI Registry data.
What is Spencer P. Larson's NPI number?
1508363045. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Spencer P. Larson works

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

Group practices

Medicare enrollment lists Spencer P. Larson as a member of this group (CMS data updated 2026-10-02).

  • Bend Memorial Clinic PC221 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Bend

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

All internal medicine doctors in Bend →

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1508363045
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