Treatment programs in California that list Optum

277 programs in California name Optum on a public listing. Listings as of 19 Sep 2026.

A listing names Optum when the program says so on its public profile, or when a government record we matched to it says so. It is not proof that the program has a contract with Optum, and it says nothing about your particular plan. How listings work

Substance abuse
188
Mental health
154
Confirmed numbers
262

Programs in California that list Optum

Each phone number says where it came from. We have not called any of them, so confirm with the program.

Showing 24 of 277. The rest are in the list below.

What these 277 programs offer

Levels of care

  • Detox (66)
  • Residential (106)
  • Hospital inpatient (16)
  • Day treatment (PHP) (85)
  • Intensive outpatient (IOP) (101)
  • Outpatient (208)
  • Medication for addiction (MAT) (51)
  • Sober living (18)
  • Virtual care (84)
  • In home (2)

Other coverage they list

  • Medicaid (102)
  • Medicare (109)

262 of these 277 phone numbers were confirmed against a second source, such as the program's own website or a government directory.

Before you call

Before you travel or start treatment, call the program, give them your plan name and member ID, and ask whether they are in network for that plan and what you would owe. Then call the number on your insurance card and ask the same question.

All California programs that list Optum, by city

Forest Knolls

Glassell Park

Mission Viejo

Rohnert Park

Woodland Hills