In order for us to process your request, you must complete the Request for Name/Address Change and/or Duplicate form (CDPH 0929) and mail it to our department. ​

The department does not issue copies of previous certification. The requesting agency can email cna@cdph.ca.gov to request your previous certification status.

Provide the following in your request:

• Type of Certification (CNA/HHA/CHT, if applicable):
• Certification Number:
• Complete name (first, middle, last):
• Address:
• Last four numbers of your social security number
  

Applications are processed in date order received.  Please visit our processing times webpage for our current processing times.​

Please mail in the following documents to our office:

• Copy of your CNA/HHA certificate
• Copy Social Security Card
• Copy of California ID/Driver's License
• Social Security Verification obtained from the Social Security Administration Website, verifying the number is assigned to you.

Steps to obtain Social Security Verification

Step 1: Go to the Social Security Administration's website. 

• You will need the following:
  
• Valid email address
• Your social security number
• U.S. mailing address

Step 2: Click “My Social Security"    

Step 3: Click either “Create an Account" or “Sign In"

• If you do not have an account, you need to create an account
• If you have an account, sign in by entering your username and password

Step 4: Read the “Terms of Service" and if you agree, click the box “I agree to the Terms of Service" then click “Next" to proceed to the next screen

Step 5: Page displays your name at the top with the last four digits and date of birth shown to the far right. PRINT THIS PAGE.

Mail Social Security documentation to our office:                     

Att: Healthcare Professional Certification and Training Section (HPCTS)
P.O. Box 997416, MS 3301
Sacramento, CA 95899-7416 ​​

Please provide the following documents to our office:

• Copy of your CNA/HHA certificate
• Copy Social Security Card
• Copy of California ID/Driver's License
• A copy of your birth certificate 

Mail date of birth documentation to our office:                     

Att: Healthcare Professional Certification and Training Section (HPCTS)
P.O. Box 997416, MS 3301
Sacramento, CA 95899-7416 ​