What is Oak Tree Ranch Senior Assisted Living's NPI number?

Oak Tree Ranch Senior Assisted Living's National Provider Identifier (NPI) is 1912886342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Oak Tree Ranch Senior Assisted Living?

Oak Tree Ranch Senior Assisted Living is classified in the NPPES registry as Custodial Care Facility (Nursing & Custodial Care Facilities).

Where is Oak Tree Ranch Senior Assisted Living located?

Oak Tree Ranch Senior Assisted Living's practice location on file with NPPES is 1482 Olivet Rd, Santa Rosa, CA 95401-3811.

What is Oak Tree Ranch Senior Assisted Living's phone number?

The practice phone number listed in the NPPES registry for Oak Tree Ranch Senior Assisted Living is (707) 571-1122.

Who is the authorized official for Oak Tree Ranch Senior Assisted Living?

The authorized official listed on Oak Tree Ranch Senior Assisted Living's NPPES record is Pamela Johnson, Owner/Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Oak Tree Ranch Senior Assisted Living's NPI active?

Yes — Oak Tree Ranch Senior Assisted Living's NPI (1912886342) is active in the NPPES registry as of the last update on 2025-08-29.

OrganizationActive

Oak Tree Ranch Senior Assisted Living

NPI 1912886342 · Custodial Care Facility · Santa Rosa, CA

Oak Tree Ranch Senior Assisted Living is a Custodial Care Facility organization in Santa Rosa, CA (NPI 1912886342).

Provider details

NPI number: 1912886342
Entity type: Organization
Primary specialty: Custodial Care FacilityNursing & Custodial Care Facilities
Organization subpart: No
Authorized official: Pamela Johnson, Owner/Administrator(707) 291-5756

Practice location

1482 Olivet Rd

Santa Rosa, CA 95401-3811

Phone: (707) 571-1122

Street-level locationGet directions

More CA providers

Mailing address

1482 Olivet Rd

Santa Rosa, CA 95401-3811

Specialties & taxonomies

Custodial Care FacilityPrimary311Z00000X
Nursing & Custodial Care Facilities

Other names (DBA / former)

Doing business as: Oak Tree Ranch

Profile Score

Established profile(55/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr 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.

Enumerated: 2025-08-29
Last updated: 2025-08-29
Certified: 2025-08-29

Frequently asked questions

What is Oak Tree Ranch Senior Assisted Living's NPI number?: Oak Tree Ranch Senior Assisted Living's National Provider Identifier (NPI) is 1912886342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Oak Tree Ranch Senior Assisted Living?: Oak Tree Ranch Senior Assisted Living is classified in the NPPES registry as Custodial Care Facility (Nursing & Custodial Care Facilities).
Where is Oak Tree Ranch Senior Assisted Living located?: Oak Tree Ranch Senior Assisted Living's practice location on file with NPPES is 1482 Olivet Rd, Santa Rosa, CA 95401-3811.
What is Oak Tree Ranch Senior Assisted Living's phone number?: The practice phone number listed in the NPPES registry for Oak Tree Ranch Senior Assisted Living is (707) 571-1122.
Who is the authorized official for Oak Tree Ranch Senior Assisted Living?: The authorized official listed on Oak Tree Ranch Senior Assisted Living's NPPES record is Pamela Johnson, Owner/Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Oak Tree Ranch Senior Assisted Living's NPI active?: Yes — Oak Tree Ranch Senior Assisted Living's NPI (1912886342) is active in the NPPES registry as of the last update on 2025-08-29.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Other names (DBA / former)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Other names (DBA / former)

Profile Score

Frequently asked questions