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Effective September 1, 2024, Administration of Behavioral Health Services Will Transition to Health Net

Beginning in September 2024, behavioral health services will no longer be administered by MHN, Health Net's behavioral health administrator. Instead, these services will be arranged by Health Net. Members will not experience any changes to their behavioral health benefits as a result of this change. (Note: This transition was effective January 1, 2024 for Wellcare By Health Net.)

Operational and administrative plan changes

Certain functions, such as eligibility and benefit checks, claims submission, referrals, prior authorizations, provider portal and websites, and more may be affected. Refer to the chart below for important details prior to and after the transition.

Operational Functions
Functions

Prior to January 1, 2024 (Wellcare By Health Net)

Prior to September 1, 2024 (Health Net Commercial)

After January 1, 2024 (Wellcare By Health Net)

After September 1, 2024 (Health Net Commercial)

Claim submission

For claims with overlapping dates of service (DOS), providers are advised to split the claim for end of year services. Submit 2 different claims.
MHN Claims
P.O. Box 14621 Lexington, KY 40512-4621

Payer ID: 22771

Phone: 800-444-4281

Fax: 877-719-4804
Medicare Claims:
Health Net Medicare Claims
PO Box 9030
Farmington, MO 63640-9030

Payer ID: 68069 

Commercial Claims:
Health Net Commercial Claims
PO Box 9040
Farmington, MO 63640-9040

Payer ID: 95567
Eligibility and benefit checksMHN websiteHealth Net Oregon Provider Portal
Provider ServicesPhone: 844-966-0298Medicare Phone: 888-445-8913 Option 2

Commercial Phone: 844-966-0298
Provider Engagement/Relations Email: OR.Prov.Reps@healthnet.com
Provider portal/websiteMHN websiteSecure portal: Health Net Oregon Provider Portal

Public website: Health Net Oregon website
ReferralContact the MHN Customer Service Department for a referral to an MHN provider.

Phone: 888-935-5966
Contact the Health Net Customer Service Department for a referral to a BH provider.

Medicare Phone: 888-445-8913

Commercial Phone: 844-966-0298
Prior AuthorizationAuthorized by MHN

Phone: 888-935-5966
Authorized by Health Net

Medicare Phone: 800-672-5941

Commercial Phone: 844-966-0298
Provider Dispute ResolutionMHN Appeals & Grievances
P.O. Box 10697
San Rafael CA 94912
Behavioral Health Provider Dispute Resolution Request Form (PDF)

Commercial Claim: Mail Claim Dispute form and attachments to:

Commercial Claim Disputes
PO Box 9040
Farmington, MO 63640-9030

Medicare Claim: Mail Claim Dispute form and attachments to:

Medicare Claim Disputes
PO Box 9030
Farmington, MO 63640-9030

Appeals based on medical necessity: Health Net Appeals & Grievances Medicare Operations P.O. Box 10450
Van Nuys, CA 91410-0450

Appeals not based on medical necessity:
Health Net Medicare Operations
7700 Forsyth Blvd
St. Louis, MO 63105
Provider Operations ManualMHN websiteHealth Net Oregon website