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

Ronald E Mason, MD

Individual provider Gastroenterology Physician · NPI 1124088430

Ronald E Mason, MD is a Gastroenterology in Kirkland, Washington. Graduated from University of Alabama School of Medicine in 1986, 40 years ago. Practices with Puget Sound Gastroenterology PLLC, a 59-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
40
Trained at
University of Alabama School of Medicine
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

11800 NE 128th St Ste 100
Kirkland, WA 98034-7201
Phone: (425) 899-4500
Fax: (425) 899-4510
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD00042393 (WA)

Record details

NPI number1124088430
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2006
Last updated in NPPESMarch 25, 2014
Mailing addressPo Box 34888, Seattle, WA 98124-1888

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Puget Sound Gastroenterology Pllc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Kirkland