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

Dr. Ryan I Grattan, MD

Individual provider Pulmonary Disease Physician · NPI 1639669781

Dr. Ryan I Grattan, MD is a Pulmonary Disease Physician in Portland, Oregon. Works from 2 locations. Licensed in Oregon.

Licensed in
OR
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3710 SW US Veterans Hospital Rd
Portland, OR 97239-2964
Phone: (503) 220-8262
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011 — (503) 494-8311

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence MD219533 (OR)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence MD219533 (OR)

Record details

NPI number1639669781
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2018
Last updated in NPPESJune 28, 2024
Certification dateJune 28, 2024
Mailing address3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011

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