How to Submit a Claim?

There are several ways to submit claims to our MSO, Network Medical Management:

  • Via Office Ally, use Payor ID#: NMM03
  • Via the NMM Web Portal. To set up an account please email portal.inquiries@nmm.cc
  • Mail direct to: 1680 S. Garfield Ave. #200, Alhambra, CA 91801

Claims Processing

Claims processing for Golden Shore Medical is handled though our Management Service Organization (MSO), Network Medical Management (NMM). NMM will administer specific managed care operations for Providers and Patients affiliated with Golden Shore Medical Group IPA that includes the following:

  • Claims
  • Contracting
  • Credentialing
  • Eligibility/Capitation
  • Customer Service
  • Utilization Management
  • Quality Integration
  • Provider Network Support
  • Web Portal

Questions about Claims?

If at any time you have a question regarding your claim submission, please call Network Medical Management at (877) 282-8272 or (626) 282-0288 between the hours of 8:30 AM to 5:00 PM, Monday thru Friday.

For the status of medical record requests previously submitted to CIOX please call 1-800-367-1500 (5am-3pm PST)


If you have been receiving care from a health care provider, you may have a right to keep your
provider for a designated time period. Please contact your HMO’s customer service department,
if you have further questions, you are encouraged to contact the Department of Managed Health Care, which protects HMO
consumers, by telephone at its toll-free number, 1-888-HMO-2219, or at a
TTY number for the deaf or hard of hearing a 1-877-688-9891, or online at www.hmohelp.ca.gov.