Medical billing services across California
Medical billing services across California
Claim N Billing works with private practices, clinics and solo providers throughout California, from our office in Irvine. Choose your city to see how we handle billing, coding and credentialing for practices in that market.
California billing is not one market. A practice in Orange County deals with CalOptima; the same specialty in Riverside deals with IEHP, and in San Francisco with the San Francisco Health Plan. Denial patterns, authorization rules and enrollment timelines shift with the county.
Accounts are assigned by region so the people working your claims already know the plans in your area instead of learning them on your revenue.
- HIPAA-compliant workflows
- Certified coders
- Onboarding in 2–3 weeks
- No long-term lock-in
Find your area
Type a city or county to filter the list below.
Practice somewhere else in California? We still take on new areas.
Get a free billing auditHow billing works when we're not in your building
The question every practice asks first. Nothing about your claims changes hands or leaves your systems.
- We work inside your systems
- Claims submit under your NPI and tax ID, through your existing practice management system and clearinghouse, to the same payers as before. We work the queue, the denials and the appeals.
- Regional teams, not a general pool
- Accounts are grouped by region so the same people learn your payer mix, your top denial reasons and your county's Medi-Cal managed care plan.
- Credentialing is handled plan by plan
- Provider enrollment differs across California's Medi-Cal plans and commercial carriers. We manage CAQH, applications and revalidations for the specific plans your patients carry.
Areas we serve in California
Grouped by region. Each page covers the payers, plans and practice types specific to that area.
Orange County
CalOptima for Medi-Cal, plus Blue Shield of California, Anthem Blue Cross and Aetna across a dense private-practice market.
Our home regionGreater Los Angeles & Southern California
L.A. Care and Health Net in Los Angeles, IEHP across the Inland Empire, and Community Health Group and Molina in San Diego.
San Francisco Bay Area
San Francisco Health Plan, Alameda Alliance for Health and a payer mix weighted toward specialty and concierge practices.
No page for that area yet
That doesn't mean we can't take your practice. Billing runs remotely and we add new areas regularly. Tell us where you are and which plans you bill, and we'll say honestly whether we're a good fit.
Ask about your areaAvailable in every area we serve
Hand over the full revenue cycle or just the part that's leaking. See all medical billing services.
Billing by practice type
Each specialty has its own coding rules, authorization patterns and denial reasons.
- Mental health billingTherapy codes, parity rules, session limits
- Home health billingEpisodic billing and visit documentation
- Chiropractor billingMedical necessity and visit-cap denials
- Doula billingA newly covered Medi-Cal benefit
- Small & medium clinic billingMulti-provider practices without a billing team
Services we offer
Take these as a full cycle or pick individual pieces.
- Claim submission & follow-upScrubbed, submitted, chased to payment
- Denial management & appealsRoot-cause fixes, not just resubmissions
- Prior authorizationsSubmitted and tracked to decision
- Provider credentialingCAQH, enrollment, revalidations
- Payment posting & reconciliationERA posting and underpayment catches
- Monthly financial reportingClean claim rate, days in A/R, collections
- Medical appointment settingScheduling and reminder calls