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

Ellen Michaelson MD PC

Organization Hematology (Internal Medicine) Physician · NPI 1245437110

Ellen Michaelson MD PC is a Hematology (Internal Medicine) Physician in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2007.

Licensed in
OR
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2456 NW Northrup St Unit 1-A
Portland, OR 97210-3253
Phone: (503) 274-0045
Fax: (503) 243-6632
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence MD018281 (OR)

Record details

NPI number1245437110
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ellen Michaelson — President · (503) 274-0045
NPI enumeratedJuly 2, 2007
Last updated in NPPESJuly 17, 2012
Mailing address2456 Nw Northrup St, Unit 1-A, Portland, OR 97210-3253

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