Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Matthew Robert Lyons, MD

Individual provider Cardiovascular Disease Physician · NPI 1558429522

Dr. Matthew Robert Lyons, MD is a Cardiovascular Disease (Cardiology) in Hermiston, Oregon. Graduated from University of Chicago, Pritzker School of Medicine in 2002, 24 years ago. Practices with Specialty Physician Group LLC, a 101-clinician group and accepts Medicare assignment. Licensed in Mississippi, Oregon and Tennessee.

Years since qualifying
24
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
MS, OR, TN
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

620 NW 11th St Ste M201
Hermiston, OR 97838-6941
Phone: (541) 667-3771
Fax: (541) 303-8457
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD226859 (OR)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 49770 (TN)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 22491 (MS)

Record details

NPI number1558429522
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 4, 2006
Last updated in NPPESJune 10, 2026
Certification dateJune 10, 2026
Mailing address620 Nw 11th St Ste M201, Hermiston, OR 97838-6941

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Specialty Physician Group Llc — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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