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Internal Medicine

Harrison M. Sapper, MD

Works at hospitals in Vancouver, WA · Washington

Summary

Harrison M. Sapper, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Vancouver, WA. NPI 1407350861. 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 Harrison M. Sapper, 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
8Years since medical school (graduated 2018)
MaleGender (as listed)
The Vancouver Clinic Inc PSGroup practice

Quick answers

Which hospitals does Harrison M. Sapper work at?
Medicare's official clinician data lists Harrison M. Sapper at 2 hospitals: Legacy Salmon Creek Medical Center and PeaceHealth Southwest Medical Cente. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Harrison M. Sapper see patients?
Medicare's clinician data lists 1 practice location in Vancouver, WA. Call before your visit to confirm the address.
What is Harrison M. Sapper's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Harrison M. Sapper accept Medicare assignment?
Yes. Medicare's clinician data says Harrison M. Sapper 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 Harrison M. Sapper?
(360) 882-2778, as listed in official Medicare / NPI Registry data.
What is Harrison M. Sapper's NPI number?
1407350861. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Harrison M. Sapper works

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

Group practices

Medicare enrollment lists Harrison M. Sapper as a member of this group (CMS data updated 2026-10-02).

  • The Vancouver Clinic Inc PS590 clinicians in the group

Specialties

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Vancouver

Clinicians with the same Medicare primary specialty in Vancouver, WA — not a recommendation.

All internal medicine doctors in Vancouver →

Clinician information

CredentialMD
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407350861
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