Modifier HP: Doctoral level

Modifier Code

Code Type

Billing modifier

When to Use Modifier HP

Use modifier HP when the rendering provider holds a doctoral degree (PhD, PsyD, EdD, MD, DO) and the payer distinguishes reimbursement by credential level. Doctoral-level providers often qualify for higher reimbursement rates than master's-level clinicians under certain Medicaid and commercial plans. Check payer-specific fee schedules to confirm whether HP changes the applicable rate.

CPT Codes Commonly Paired with Modifier HP

These CPT codes are frequently billed alongside modifier HP in therapy practice:

CPT 90837 - Psychotherapy, 60 minutes CPT 90791 - Psychiatric diagnostic evaluation CPT 96130 - Psychological testing evaluation, first hour CPT 96136 - Psychological/neuropsychological test administration, first 30 min CPT 90847 - Family psychotherapy with patient present

Superbill Notes for Modifier HP

What to include: List the doctoral credential (e.g., PhD, PsyD) alongside the provider's name and NPI on the superbill. Include licensure information that verifies the doctoral level of the rendering provider.

Adding Modifier HP to a Superbill

Superbilled lets you add modifier codes directly to each line item on your superbill. When generating a superbill with modifier HP, make sure to include your NPI number, the patient's diagnosis code, date of service, fee charged, and amount paid. The modifier appears alongside the CPT code on the claim.

Generate a superbill with Modifier HP free