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

Dr. David Benjamin Liang, MD

Individual provider Gastroenterology Physician · NPI 1619178027

Dr. David Benjamin Liang, MD is a Gastroenterology in Edmonds, Washington. Graduated from George Washington University School of Medicine in 2004, 22 years ago. Practices with Yakima Valley Memorial Physicians, a 401-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in Nevada and Washington.

Years since qualifying
22
Trained at
George Washington University School of Medicine
Licensed in
NV, WA
In the registry since
2007
Specialties on file
2
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

21600 Highway 99 Ste 260
Edmonds, WA 98026-8049
Phone: (425) 774-2650
Fax: (425) 774-2643
Show map & directions

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

Additional practice locations (5)

  • 4545 Cordata Pkwy Ste 1b, Bellingham, WA 98226-7264 — (360) 752-5216
  • 1818 Cole St Fl 1, Enumclaw, WA 98022-3504 — (360) 802-5023
  • 1615 Delaware St, Longview, WA 98632-2367 — (360) 414-2730
  • 1615 Delaware St, Longview, WA 98632-2367 — (360) 414-2730
  • 125 16th Ave E, Seattle, WA 98112-5211 — (206) 326-3000

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD60197486 (WA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 14761 (NV)

Record details

NPI number1619178027
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2007
Last updated in NPPESOctober 11, 2024
Certification dateOctober 11, 2024

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Yakima Valley Memorial Physicians — 401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Edmonds