How to appeal a Healthfirst cancer treatments denial

The framework that applies to your appeal

Federal law gives you the right to a full and fair internal appeal, then an external review by an independent third party.

Healthfirst-specific note: Provider-sponsored not-for-profit; largest Medicaid MCO in NY State (~1.8M members). Owned by ~30 NY hospital systems. NY DFS oversight. NY State Fair Hearing is escalation path for Medicaid denials; commercial appeals go to DFS external appeal program.

What Healthfirst typically denies for cancer treatments

Across Healthfirst's commercial and Medicare books, denials cluster around a small number of patterns. For cancer treatments, expect:

• NY State Medicaid Managed Care carve-outs
• Behavioral health prior auth
• Dental/vision coordination
• Out-of-network non-emergency

Treatments most often denied in this category

These are the cancer treatments treatments most often flagged for prior auth, step therapy, or medical necessity review:

• Checkpoint inhibitor
• CAR-T
• Targeted oral
• ADC
• Proton therapy
• PET imaging

How to submit the appeal to Healthfirst

1. Read the denial letter — note the exact denial reason code and the appeal deadline (60 days from the date on the letter).
2. Gather supporting documentation: physician letter of medical necessity, relevant clinical notes, peer-reviewed citations supporting the treatment for your indication, and the policy or coverage document Healthfirst cited in the denial.
3. File the appeal through Healthfirst's portal (members: https://healthfirst.org ; providers: https://hfdocs.healthfirst.org). Standard decision returns within 30 days; expedited urgent appeals return within 72 hours.
4. If denied again, request external review by an independent reviewer within 4 months of the final internal denial. In NY, the state insurance department coordinates external review for fully-insured plans; ERISA self-funded plans use a federal external review through DOL/EBSA.