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

Mark T Buchholz, MD

Individual provider Pediatric Critical Care Medicine Physician · NPI 1649251422

Mark T Buchholz, MD is a Pediatric Critical Care Medicine Physician in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2005.

Licensed in
OR
In the registry since
2005
Specialties on file
2
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

2801 N Gantenbein Ave
Portland, OR 97227-1623
Phone: (503) 283-5220
Fax: (503) 283-9527
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 MD25508 (OR)
Pediatrics Physician Taxonomy 208000000X · Licence MD25508 (OR)

Record details

NPI number1649251422
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 9, 2005
Last updated in NPPESDecember 16, 2022
Certification dateDecember 16, 2022
Mailing addressPo Box 821350, Vancouver, WA 98682-0030

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