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Internal Medicine

James F. Pierce Iii, DO

Works at hospitals in Dallas, OR · Salem, OR · Stayton, OR · Oregon

Summary

Dr. James F. Pierce Iii, DO is an internal medicine doctor at 890 Oak St SE, Salem, OR 97301. Phone: (503) 561-5200. Accepts Medicare assignment. In 2024, James F. Pierce Iii had 183 Original Medicare patients and 189 services. NPI 1235485335. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about James F. Pierce Iii, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does James F. Pierce Iii accept Medicare assignment?
Yes. Medicare's clinician data says James F. Pierce Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does James F. Pierce Iii see?
In 2024, CMS data shows 183 Original Medicare patients and 189 services for James F. Pierce Iii. This counts Original Medicare only and measures volume, not quality.
What is James F. Pierce Iii's NPI number?
1235485335. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for James F. Pierce Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients183
Services billed to Medicare189
Different services or procedures6
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)132 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)52 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol71%
  • Diabetes50%
  • Arthritis49%
  • Chronic kidney disease45%
  • Heart failure45%

Hospitals where James F. Pierce Iii works

Medicare's Facility Affiliation Data lists James F. Pierce Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Salem Health West ValleyDallas, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381308
  • Salem HospitalSalem, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380051
  • Santiam Hospital & ClinicsStayton, OR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 380056

Practice locations

Addresses where James F. Pierce Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James F. Pierce Iii as a member of this group (CMS data updated October 2, 2026).

  • Salem Health454 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Salem

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

All internal medicine doctors in Salem →

Other clinicians in Salem Health

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235485335
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians