Join Our Community Health Network

Join Our Community Health Network

Quality care begins with linking our patients to the right providers. That's why we contract community-based providers like yourself to become part of our managed care network. This allows us to grow together and better serve our patients by providing specialty services and more primary care physician options.

AltaMed is currently NOT accepting letters of interest for:

  • Hematology/Oncology
  • Home Health
  • Hospice
  • Laboratory
  • Radiology
  • DME

Note: To join AltaMed's network, you must be enrolled as a California Medi-Cal and Medicare provider and/or facility and have an active California Medi-Cal and Medicare ID number.

Step One: Submit Your Required Documents

Please follow the directions below depending on your provider type and submit all documents to

For Providers or Group Practices

Letter of Interest including: 

  • Current W-9
  • Point of Contact (Name, Email and/or Phone Number)
  • Group Practice Name 
  • Practitioner First and Last Name, Professional Title
  • Primary Specialty, and Secondary Specialty (if applicable) 
  • Medi-Cal and Medicare Enrollment Status 
  • Practice Location(s) 

If you are submitting a Letter of Interest for more than one provider, please attach a Roster with information listed above. 

Email Documents

For Ancillary Providers or Hospital Providers

Letter of Interest on company leaderhead including: 

  • Letter of Interest on a company letterhead
  • Medicare and Medi-Cal Certifications
  • Point of Contact (Name, Email and/or Phone Number) 
  • Organization Name 
  • Ancillary Provider Type including scope of services
  • Service Area(s) 

Email Documents

If you prefer to submit your request by mail, please mail to:

Altura MSO
1401 N Montebello Blvd
Montebello, CA 90640
Attention: Provider Network Management

Please ensure the Contract Request Form is typed out. Partial/incomplete submissions will not be considered. Please allow at least 60 business days turnaround for review of complete submissions, and a response to your request will be emailed to you once a decision has been made.

Note: Submission of required documents is a request to join AltaMed’s network and does not automatically guarantee acceptance into the network. We will evaluate your request to participate based on our network needs.

Step Two: Connect With Provider Network Administrator

If your request to participate in AltaMed's network has been accepted, a Provider Network Administrator will reach out to begin the process and provide you with documents that must be completed, as well as answer any questions you may have. Upon receipt of all fully completed documents, your credentialing process will begin

Step Three: Complete Credentialing Process

AltaMed's credentialing department will credential the providers and/or facilities included in your completed documents. The credentialing process may take 90 - 120 calendar days to complete. Once credentialing is completed, you will receive a notification from AltaMed's Credentialing department.

Note: You can help the credentialing process run smoothly and reduce delays by making sure that you:

  • Are registered with CAQH and provide access
  • Complete and update physician's CAQH information
  • Properly complete and sign required documentations
  • Promptly correct any errors found in your CAQH information during the credentialing process, when needed

If you want to find out your credentialing status, please contact your assigned Provider Network Administrator for further assistance

Step Four: Complete the In-Service

Once you are credentialed, the Provider Network Administrator will provide you with a signed copy of your Agreement and reach out to you to complete the provider in-service.

Already a participating provider?

If you are already a participating provider and/or facility with AltaMed and need to notify us of updates or changes to your office or provider/facility information (i.e. terminations, address or phone number change/update, additional providers or locations to be added, TIN change), please contact your assigned Provider Network Administrator for assistance or email You may validate if your request was completed by checking AltaMed’s Online Provider Portal.

Provider Contracting: Frequently Asked Questions

Please allow at least 60 business days turnaround for a decision to be notified via email. If your submitted request is less than 60 business days old, please wait to be contacted. If your submitted request is more than 60 business days old, please contact our Provider Contracting department at (866) 880-7805 Opt 2-5-3 between 8:30am-5:00pm Pacific time, Monday through Friday