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

Dr. Mark Lawrence Silen, MD, MBA

Individual provider Pediatric Surgery Physician · NPI 1801801394

Dr. Mark Lawrence Silen, MD, MBA is a Pediatric Surgery Physician in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MBA — Master of Business Administration
A graduate business degree.

See every abbreviation used in this directory →

Practice location Address checks out

2552 NW Mildred St
Portland, OR 97210-3337
Phone: (503) 310-9611
Show map & directions

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

Specialties & licences

Pediatric Surgery Physician (primary) Taxonomy 2086S0120X · Licence MD22074 (OR)

Record details

NPI number1801801394
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MBA
Sole proprietorYes
NPI enumeratedJuly 31, 2006
Last updated in NPPESApril 2, 2013

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