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Emergency Medicine

Matthew R. Bowser, MD

Works at hospitals in Milwaukie, OR · Oregon City, OR · Oregon

Summary

Dr. Matthew R. Bowser, MD is an emergency medicine doctor at 10150 SE 32nd Ave, Milwaukie, OR 97222. Phone: (503) 513-8300. Accepts Medicare assignment. In 2024, Matthew R. Bowser had 108 Original Medicare patients and 120 services. NPI 1760831887. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 10150 SE 32nd Ave, Milwaukie, OR 97222 · Directions (1 more location)
  • Phone: (503) 513‑8300
  • Medicare: Accepts Medicare assignment
  • Hospitals: Providence Milwaukie Hospital, Providence Willamette Falls Medical Center
  • Group practice: Providence Health and Services Oregon (+1 more)
  • Medical school: University Of South Carolina School Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew R. Bowser, 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 Matthew R. Bowser accept Medicare assignment?
Yes. Medicare's clinician data says Matthew R. Bowser 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 Matthew R. Bowser see?
In 2024, CMS data shows 108 Original Medicare patients and 120 services for Matthew R. Bowser. This counts Original Medicare only and measures volume, not quality.
What is Matthew R. Bowser's NPI number?
1760831887. 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 Matthew R. Bowser, 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 patients108
Services billed to Medicare120
Different services or procedures7
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)52 services
  2. Emergency department visit with moderate level of medical decision making (99284)49 services
  3. Emergency department visit with low level of medical decision making (99283)14 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 cholesterol57%
  • Arthritis47%
  • Anxiety33%
  • Chronic kidney disease31%
  • Diabetes30%

Hospitals where Matthew R. Bowser works

Medicare's Facility Affiliation Data lists Matthew R. Bowser 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.

Practice locations

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

Group practices

Medicare enrollment lists Matthew R. Bowser as a member of these groups (CMS data updated October 2, 2026).

  • Providence Health and Services Oregon53 clinicians in the group
  • Emergency Medicine Specialists, LLC20 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Oregon →

Other emergency medicine doctors in Milwaukie

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

All emergency medicine doctors in Milwaukie →

Other clinicians in Providence Health and Services Oregon

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

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760831887
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