Greenridge Estates Operating LLC
NPI 1558987768 · Assisted Living Facility · Lake Oswego, OR
Greenridge Estates Operating LLC is a Assisted Living Facility organization in Lake Oswego, OR (NPI 1558987768).
Provider details
- NPI number
- 1558987768
- Entity type
- Organization
- Primary specialty
- Assisted Living FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Winston Tonack, Owner(503) 550-7170
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-06-23
- Last updated
- 2020-06-23
- Certified
- 2020-06-23
Frequently asked questions
- What is Greenridge Estates Operating LLC's NPI number?
- Greenridge Estates Operating LLC's National Provider Identifier (NPI) is 1558987768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greenridge Estates Operating LLC?
- Greenridge Estates Operating LLC is classified in the NPPES registry as Assisted Living Facility (Nursing & Custodial Care Facilities).
- Where is Greenridge Estates Operating LLC located?
- Greenridge Estates Operating LLC's practice location on file with NPPES is 4 Greenridge Dr, Lake Oswego, OR 97035-1400.
- What is Greenridge Estates Operating LLC's phone number?
- The practice phone number listed in the NPPES registry for Greenridge Estates Operating LLC is (503) 635-8818.
- Who is the authorized official for Greenridge Estates Operating LLC?
- The authorized official listed on Greenridge Estates Operating LLC's NPPES record is Winston Tonack, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greenridge Estates Operating LLC's NPI active?
- Yes — Greenridge Estates Operating LLC's NPI (1558987768) is active in the NPPES registry as of the last update on 2020-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.