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

Laurens P Janssens, MD

Individual provider Internal Medicine Physician · NPI 1942707641

Laurens P Janssens, MD is a Gastroenterology in Seattle, Washington. Qualified in 2017, 9 years ago. Practices with Virginia Mason Medical Center, a 867-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois, Minnesota and Washington.

Years since qualifying
9
Licensed in
IL, MN, WA
In the registry since
2018
Specialties on file
5
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

1100 9th Ave
Seattle, WA 98101-2756
Phone: (206) 223-2319
Fax: (206) 341-1405
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 MD61673798 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 66493 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 29581 (MN)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 66493 (MN)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 036168992 (IL)

Record details

NPI number1942707641
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 9, 2018
Last updated in NPPESSeptember 24, 2025
Certification dateSeptember 24, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Virginia Mason Medical Center — 867 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Seattle