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

Internal Medicine

John V. Sheffield

Works at hospitals in Seattle, WA · Washington

Summary

John V. Sheffield (Internal Medicine) is listed by Medicare at 2 hospitals in Seattle, WA. NPI 1740366491. 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 V. Sheffield, 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
37Years since medical school (graduated 1989)
Harvard Medical SchoolMedical school
MaleGender (as listed)
The Association of University PhysiciansGroup practice

Quick answers

Which hospitals does John V. Sheffield work at?
Medicare's official clinician data lists John V. Sheffield at 2 hospitals: Harborview Medical Center and University of Washington Medical Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John V. Sheffield see patients?
Medicare's clinician data lists 3 practice locations, including Seattle, WA. Call before your visit to confirm the address.
What is John V. Sheffield's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does John V. Sheffield accept Medicare assignment?
Yes. Medicare's clinician data says John V. Sheffield 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 John V. Sheffield offer telehealth?
Medicare's clinician data says John V. Sheffield offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John V. Sheffield?
(206) 598-3100, as listed in official Medicare / NPI Registry data.
What is John V. Sheffield's NPI number?
1740366491. 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 V. Sheffield works

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

Group practices

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

  • The Association of University Physicians3,535 clinicians in the group

Specialties

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Seattle

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

All internal medicine doctors in Seattle →

Clinician information

Medical schoolHarvard Medical School
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1740366491
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