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Oasis Assisted Living

Assisted Living (RCFE) · Senior care facility

Assisted Living (RCFE)High data-match confidence

Directory record — please verify

This listing comes from CA CHHS Community Care Licensing — Residential Care Facilities for the Elderly and was updated July 4, 2026. It does not confirm Medicare coverage, plan network, referral or prior authorization, offered services, or current availability. Verify each item directly before scheduling.

At a glance

Oasis Assisted Living is listed as a Assisted Living (RCFE) in Costa Mesa, CA. Call (949) 230-4416 to confirm current participation and availability.

Services & care categories

Residential care

Medicare questions to ask

1Do you currently accept Medicare assignment for these services?
2Is this location in-network for my Medicare Advantage plan?
3Will I need a referral or prior authorization before my visit?
4What out-of-pocket costs should I expect under Medicare?
5Do you provide the specific care I need (pain management, PM&R, behavioral health, or mild TBI)?

Location

Frequently asked questions

Does Oasis Assisted Living accept Medicare?

Oasis Assisted Living is an imported senior-care record. Confirm Medicare participation and network status directly with the facility before scheduling.

Where is Oasis Assisted Living located?

Oasis Assisted Living is located at 355 Princeton Drive, Costa Mesa, CA 92626.

What is the phone number for Oasis Assisted Living?

You can reach Oasis Assisted Living at (949) 230-4416.

What care does Oasis Assisted Living offer?

Listed services include Residential care. Verify availability with the facility.

Source

CA CHHS Community Care Licensing — Residential Care Facilities for the Elderly.

How directory records are sourced and updated

Medicare questions to ask

1Do you currently accept Medicare assignment for these services?
2Is this location in-network for my Medicare Advantage plan?
3Will I need a referral or prior authorization before my visit?
4What out-of-pocket costs should I expect under Medicare?
5Do you provide the specific care I need (pain management, PM&R, behavioral health, or mild TBI)?

Location

Frequently asked questions

Does Oasis Assisted Living accept Medicare?

Oasis Assisted Living is an imported senior-care record. Confirm Medicare participation and network status directly with the facility before scheduling.

Where is Oasis Assisted Living located?

Oasis Assisted Living is located at 355 Princeton Drive, Costa Mesa, CA 92626.

What is the phone number for Oasis Assisted Living?

You can reach Oasis Assisted Living at (949) 230-4416.

What care does Oasis Assisted Living offer?

Listed services include Residential care. Verify availability with the facility.

Source

CA CHHS Community Care Licensing — Residential Care Facilities for the Elderly.

How directory records are sourced and updated