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

Mark R. Barr, MD

Individual provider Pediatrics Physician · NPI 1124147707

Mark R. Barr, MD is a Pediatrics Physician in Mount Vernon, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007
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

2101 Little Mountain Ln
Mount Vernon, WA 98274-8752
Phone: (360) 428-2622
Fax: (360) 428-3941
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 0020789 (WA)

Record details

NPI number1124147707
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2007
Last updated in NPPESAugust 22, 2011
Mailing address2101 Little Mountain Ln, Mount Vernon, WA 98274-8752

Other providers in Mount Vernon