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Hospitalist

Jacob R. Blair, MD

Works at hospitals in Portland, OR · Tillamook, OR · Oregon

Summary

Dr. Jacob R. Blair, MD is a hospitalist at 10123 SE Market St, Portland, OR 97216. Phone: (503) 257-2500. Accepts Medicare assignment. In 2024, Jacob R. Blair had 107 Original Medicare patients and 174 services. NPI 1447639430. 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 Jacob R. Blair, 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 Jacob R. Blair accept Medicare assignment?
Yes. Medicare's clinician data says Jacob R. Blair 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 Jacob R. Blair see?
In 2024, CMS data shows 107 Original Medicare patients and 174 services for Jacob R. Blair. This counts Original Medicare only and measures volume, not quality.
What is Jacob R. Blair's NPI number?
1447639430. 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 Jacob R. Blair, 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 patients107
Services billed to Medicare174
Different services or procedures11
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)73 services
  2. Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (G0316)39 services
  3. Critical care, first 30-74 minutes (99291)20 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 cholesterol75%
  • Heart failure60%
  • Chronic kidney disease52%
  • Ischemic heart disease50%
  • Arthritis47%

Hospitals where Jacob R. Blair works

Medicare's Facility Affiliation Data lists Jacob R. Blair 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.

  • Adventist Health PortlandPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380060
  • Adventist Health TillamookTillamook, OR · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 381317

Practice locations

Addresses where Jacob R. Blair is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jacob R. Blair as a member of this group (CMS data updated October 2, 2026).

  • Portland Adventist Medical Center271 clinicians in the group

Specialties

Find other Hospitalist doctors in Oregon →

Other hospitalists in Portland

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

All hospitalists in Portland →

Other clinicians in Portland Adventist Medical Center

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447639430
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