Provider Relations Department
(800) 937-6824
(916) 374-4638 fax

6 a.m. to 5 p.m Monday-Friday PST

For Claims Appeals, mail the following:

• Letter of request for appeal
• Copy of original claim and attachments
• Copy of EOB or EOR
• Copy of operative report

Mail Claims Appeals to:

Claims Appeal Unit
P.O. Box 348412
Sacramento, CA 95834-8412

Mail all other requests and correspondence to:

Provider Relations
P.O. Box 348300
Sacramento, CA 95834-8300

Notify the First Health Provider Relations Department immediately of any changes of address, phone/fax numbers, federal tax ID numbers or other important information regarding your facility.