Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MICHAEL WAYNE ARMSTRONG JR. DO
NPI 1740742337
Internal Medicine in Clackamas, OR

Active since April 02, 2019
97.83/100
CMS Quality Rating
10100 SE SUNNYSIDE RD, CLACKAMAS, OR 97015(503) 652-2880(503) 571-9443 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Michael Wayne Armstrong Jr. Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL WAYNE ARMSTRONG JR. DO (NPI 1740742337) is an individual internal medicine provider in Clackamas, Oregon, licensed in Oregon (DO209686) and active in the NPI registry since April 2019.

NPPES Registry Identity

NPI1740742337
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHAEL WAYNE ARMSTRONG JR.Credential: DO
Location Address10100 SE SUNNYSIDE RDClackamas, OR 97015-8970
Mailing Address10100 Se Sunnyside RdClackamas, OR 97015-8970 · (503) 652-2880 · Fax (503) 571-9443
Fax(503) 571-9443
Sole ProprietorNo
Enumeration DateApril 2, 2019
Last NPPES UpdateJune 29, 2026
NPPES CertifiedJune 29, 2026
NPI 1740742337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in OR · DO209686
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License DO209686 (OR)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License DO209686 (OR)
10100 SE SUNNYSIDE RD, Clackamas, OR 97015

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.83/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.97
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Internal Medicine (Cardiovascular Disease)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Obstetrics & Gynecology
10100 SE SUNNYSIDE RD, MOUNT TALBERT MEDICAL OFFICE
CLACKAMAS, OR 97015
Physical Therapy Assistant
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Registered Nurse (Ambulatory Care)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Family Medicine
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Physical Therapist (Orthopedic)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Armstrong's NPI number?

The NPI number for Michael Armstrong is 1740742337. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Where is Michael Armstrong located?

Michael Armstrong practices at 10100 SE Sunnyside Rd, Clackamas, OR 97015. The listed phone number is (503) 652-2880.

What is Michael Armstrong's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Michael Armstrong was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.