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How to Contact UnitedHealthcare West Resources - 2018 Administrative Guide > Contact Us > Health Plan Support by State > [Select State].


Benefit Interpretation Policies: > Commercial Policies > UnitedHealthcare SignatureValue/UnitedHealthcare Benefit Plan of California Benefit Interpretation Policies

Medical Management Guidelines: > Commercial Policies > UnitedHealthcare SignatureValue/UnitedHealthcare Benefits Plan of California Medical Management Guidelines.

To view the most current and complete Advance Notification List, including procedure codes and associated services, go to:

  • Online:, or Prior Authorization and Notification App on Link
  • Arizona & Colorado Medicare Advantage Phone: 800-746-7405
  • California, Oregon and Washington: SignatureValue, Medicare Advantage, direct contract network and medical group/IPA carve-out Phone: 800-762-8456
  • Nevada Medicare Advantage Phone: 888-866-8297
  • Texas and Oklahoma: Medicare Advantage, SignatureValue Inpatient Notification/Utilization Management Phone: 800-668-8139

CT scans, MRIs, MRAs, PET scans and nuclear medicine studies, including nuclear cardiology

  • Online:; select the Go to Prior Authorization and Notification App.
  • Phone: 866-889-8054

Request prior authorization of radiology services as described in Outpatient Radiology Notification/Prior Authorization Protocol in Chapter 6: Medical Management.

Diagnostic Catheterization, Electrophysiology Implants, Echocardiogram and Stress, Echocardiogram Clinical Trials

Request prior authorization of cardiology services as described in Outpatient Cardiology Notification/Prior Authorization Protocol in Chapter 6: Medical Management.

See Chapter 6: Medical Management

(Non-delegated) Inpatient includes: Acute Inpatient, Skilled Nursing Admission, Long- Term Acute Care, Inpatient Rehabilitation Places of Service.

  • Phone: 800-799-5252 Fax: 800-274-0569
  • Mental health Medicare Advantage: 800-508-0088
  • Transplant: 866-300-7736 Fax: 888-361-0502

Encounter Collection, Submission & Controls, including ERA/835 transactions

  • Online: > EDI Contact > EDI Transaction Support Form. Password and user ID are not required to review and access EDI information on
  • Phone: 800-842-1109 (For UnitedHealthcare West ERA/835 questions, select option 4 and then option 2)
  • Email:

Have claims payments deposited electronically or make changes to an existing EFT enrollment

(Follow prompts to access information)

Commercial & Medicare Advantage HMO/ MCO:

  • California: 800-542-8789
  • Arizona/Colorado/Nevada: 888-866-8297
  • Oklahoma/Texas: 877-847-2862
  • Oregon: 800-920-9202
  • Washington MCO: 800-213-7356

(Applies only to Commercial UnitedHealthcare Signature Value HMO/ MCO)

California, Oklahoma, Oregon, Texas, Washington


Mailstop CA124-0160
P.O. Box 6107
Cypress, CA 90630


  • California: 800-624-8822
  • Oklahoma/Texas: 800-825-9355
  • Oregon/Washington: 800-932-3004

Fax: 866-704-3420

Mailstop CA124-0157
P.O. Box 6106
Cypress, CA 90630

Fax: 888-517 7113

(Applies only to Commercial UnitedHealthcare SignatureValue HMO/ MCO)

California Oklahoma, Oregon, Texas, Washington

  • Phone: 888-277-4232
  • Fax: 800-346-0930

Commercial products:

Medicare products: > Our Plans > Medicare Prescription Drug Plans

Phone: 800-711-4555

Fax: 800-527-0531

See member’s health care ID card for carrier information and contact numbers.

You can view the member’s health care ID when you verify eligibility on

(Applies only to commercial products in California)

Phone: 877-840-4085

Fax completed referral form to: 877-406-8212