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

John Guy Mastronarde, MD

Individual provider Pulmonary Disease Physician · NPI 1093828634

John Guy Mastronarde, MD is a Pulmonary Disease Physician in Portland, Oregon. Licensed in Ohio and Oregon. Registered with an NPI since 2006.

Licensed in
OH, OR
In the registry since
2006
Specialties on file
3
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

1111 NE 99th Ave
Portland, OR 97220-9428
Phone: (503) 963-3030
Fax: (503) 963-3140
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence MD173777 (OR)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 35059362 (OH)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 35059362 (OH)

Record details

NPI number1093828634
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESSeptember 21, 2015
Mailing address847 Ne 19th Ave, Suite 300, Portland, OR 97232-2684

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