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Ophthalmology

Rebecca L. Armour, MD

Sees patients in Portland, OR · Oregon

Summary

Dr. Rebecca L. Armour, MD is an ophthalmologist at 1955 NW Northrup St, Portland, OR 97209. Phone: (503) 227-2020. Accepts Medicare assignment. In 2024, Rebecca L. Armour had 894 Original Medicare patients and 2,150 services. NPI 1124042692. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1955 NW Northrup St, Portland, OR 97209 · Directions
  • Phone: (503) 227‑2020
  • Medicare: Accepts Medicare assignment
  • Group practice: Eye Health Northwest PC
  • Medical school: Michigan State University College Of Human Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rebecca L. Armour, 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 Rebecca L. Armour accept Medicare assignment?
Yes. Medicare's clinician data says Rebecca L. Armour 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 Rebecca L. Armour see?
In 2024, CMS data shows 894 Original Medicare patients and 2,150 services for Rebecca L. Armour. This counts Original Medicare only and measures volume, not quality.
What is Rebecca L. Armour's NPI number?
1124042692. 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 Rebecca L. Armour, 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 patients894
Services billed to Medicare2,150
Different services or procedures32
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient complete exam of visual system (92014)440 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)350 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)181 services
  4. Imaging of optic nerve (92133)178 services
  5. Imaging of retina (92134)167 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 cholesterol64%
  • High blood pressure58%
  • Arthritis41%
  • Diabetes26%
  • Ischemic heart disease19%
  • Osteoporosis19%

Practice locations

Addresses where Rebecca L. Armour is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rebecca L. Armour as a member of this group (CMS data updated October 2, 2026).

  • Eye Health Northwest PC73 clinicians in the group

Specialties

Find other Ophthalmology doctors in Oregon →

Other ophthalmologists in Portland

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

All ophthalmologists in Portland →

Other clinicians in Eye Health Northwest PC

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

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124042692
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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