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

Dr. Karl Li-Feng Yen, MD

Individual provider Pediatric Critical Care Medicine Physician · NPI 1174591416

Dr. Karl Li-Feng Yen, MD is a Pediatric Critical Care Medicine Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
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 →

Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-7327
Show map & directions

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

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence 224465 (MA)

Record details

NPI number1174591416
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 11, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Boston