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

Greenridge Estates Operating LLC

Organization Assisted Living Facility · NPI 1558987768

Greenridge Estates Operating LLC is an Assisted Living Facility in Lake Oswego, Oregon. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4 Greenridge Dr
Lake Oswego, OR 97035-1400
Phone: (503) 635-8818
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Assisted Living Facility (primary) Taxonomy 310400000X

Record details

NPI number1558987768
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Winston Tonack — Owner · (503) 550-7170
NPI enumeratedJune 23, 2020
Last updated in NPPESJune 23, 2020
Certification dateJune 23, 2020
Mailing address4 Greenridge Dr, Lake Oswego, OR 97035-1400

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