Serving UnitedHealth Group in California? We’ve Got You Covered.
UnitedHealth Group is the largest health insurance company in the United States, and its corporate structure is extensive.
Make Sure You’re Serving the Right UnitedHealth Group Entity
UnitedHealth Group is the largest health insurance company in the United States, and its corporate structure is extensive. Serving the wrong entity is one of the most common mistakes in health insurance litigation. UnitedHealth Group Incorporated is the parent holding company, incorporated in Delaware. While it is frequently named in lawsuits, the actual entity responsible for your claim is almost always a subsidiary.
The two major divisions are UnitedHealthcare and Optum. UnitedHealthcare is the insurance side, and it operates through multiple entities: UnitedHealthcare Insurance Company, UnitedHealthcare of California (the California HMO), UnitedHealthcare Benefits Plan of California, and UnitedHealthcare Community Plan of California (Medi-Cal managed care). The entity on your insurance card or Evidence of Coverage is the entity that issued your plan.
Optum is UnitedHealth Group’s health services division and includes OptumHealth, Inc., OptumRx, Inc. (pharmacy benefit management), and Optum Bank, Inc. (HSA administration). If your dispute involves prescription drug coverage, it may be an OptumRx matter rather than a UnitedHealthcare matter.
Check your member ID card, plan documents, or Explanation of Benefits to identify the exact legal entity. The entity name printed on those documents is the entity that must be served. All UnitedHealth Group entities registered in California use CSC at 2710 Gateway Oaks Drive.
How It Works
Step 1 — Submit Your Documents
Complete our online intake form, upload your documents, and select your service tier. Include the entity name exactly as it appears on your filing. Takes less than 5 minutes.
Step 2 — We Serve CSC on Your Behalf
We personally deliver your documents to the authorized CSC representative at 2710 Gateway Oaks Drive, Suite 150N, Sacramento, CA 95833 during business hours.
Step 3 — You Receive Proof of Service
We provide a signed, court-ready Affidavit of Service — delivered to your inbox and mailed to you.
Pricing
Standard Service (10 business days): $99
Expedited Service (3 business days): $150
Rush Service (24 hours): $175
Court Filing Add-On: +$30
Frequently Asked Questions
How do I serve UnitedHealth Group in California?
UnitedHealth Group Incorporated uses CSC Lawyers Incorporating Service as its registered agent in California. You serve UnitedHealth Group by delivering your legal documents to CSC at 2710 Gateway Oaks Drive, Suite 150N, Sacramento, CA 95833.
What is UnitedHealth Group’s registered agent address in California?
UnitedHealth Group’s California registered agent address is CSC Lawyers Incorporating Service, 2710 Gateway Oaks Drive, Suite 150N, Sacramento, CA 95833. This is the correct address for serving lawsuits, subpoenas, and other legal documents on UnitedHealth Group and many of its subsidiaries.
Which UnitedHealth entity should I name — UnitedHealthcare or Optum?
UnitedHealth Group operates through two main divisions: UnitedHealthcare (insurance plans) and Optum (health services, pharmacy benefits, and care delivery). For health insurance claim denials or coverage disputes, you typically name the specific UnitedHealthcare entity on your insurance card (such as UnitedHealthcare Insurance Company or UnitedHealthcare of California). For pharmacy benefit issues, the entity may be OptumRx. Check your plan documents for the exact company name.
My health insurance claim was denied — can I sue UnitedHealthcare?
If your UnitedHealthcare claim was denied, you may have grounds for a lawsuit, but the process depends on whether your plan is employer-sponsored (ERISA) or an individual plan. ERISA plans have specific procedural requirements, including exhausting administrative appeals before suing. In either case, you serve the UnitedHealthcare entity listed on your plan through CSC at the Sacramento address. An attorney experienced in insurance disputes can advise on the correct approach for your situation.
Ready to Get Started?
Submit your documents through our intake form. We handle delivery, proof of service, and court filing.