A therapy superbill must include the provider's legal name, license number, Type 1 NPI, taxonomy code, tax ID, and practice address; the client's legal name and date of birth; and per session: date of service, CPT code, ICD-10 diagnosis, place-of-service code, fee, and amount paid. The client submits it to their own insurer for out-of-network reimbursement.
Clients whose insurance you don't take yet, whether the panel is closed or your application is still sitting in credentialing, can get some of their money back with a superbill, and you never touch a claim form. A superbill with one missing field gets denied just as fast as a real claim, and the denial letter goes to your client, not you.
What fields does a superbill need?
Thirteen fields, and payers check all of them by machine before a human reads anything. The provider block: your legal name exactly as it appears on your license, license type and number with issuing state, your Type 1 NPI, your taxonomy code, your EIN (or SSN if you have no EIN), and your practice address and phone.
The client block: legal name exactly as it appears on the insurance card ("Robert," not "Bob"), date of birth, and member ID. Name mismatches against the policy cause more superbill rejections than the next three reasons combined, because the insurer's system matches on the subscriber file before anything else.
The service block, one line per session: date of service, CPT code (90837 for a 60-minute session, 90834 for 45 minutes, 90791 for the intake), the ICD-10 diagnosis code, the place-of-service code, your full fee, and what the client actually paid. Sign and date the whole document.
Which codes trip therapists up?
The place-of-service (POS) code, more than any other. Office sessions are POS 11. Telehealth splits in two: POS 10 when the client is at home, POS 02 when they're anywhere else, and POS 02 is paid at the lower facility rate by plans that follow Medicare's logic. The full list is in the CMS Place of Service code set; we cover the telehealth split in detail in POS codes for telehealth therapy.
Taxonomy is the second stumble. It's the 10-character specialty code attached to your NPI in NPPES: for example, 1041C0700X for an LCSW or 101YM0800X for a mental health counselor. If the taxonomy on your superbill doesn't match what NPPES shows for your NPI, some plans reject the claim as a provider-identity mismatch. Look yours up before you build the template, not after the first denial.
An ICD-10 code is not optional. F41.1 (generalized anxiety disorder) and F33.1 (recurrent major depression, moderate) are common examples; whatever is clinically accurate must be there, and it must plausibly pair with the CPT code. "Z-code only" superbills for problems that aren't billable diagnoses routinely come back unpaid.
Why do clients' superbill claims bounce?
Usually for something fixable in five minutes. The most common version is a superbill template that predates the provider's NPI, so months of superbills go out with a license number and no NPI. The payer denies every session with remark code N257 (missing/invalid billing provider identifier), the client resubmits with the NPI added, and reimbursement lands six weeks later than it should have.
| Denial reason | Whose fix |
|---|---|
| Missing or invalid NPI | Yours; add Type 1 NPI |
| Client name doesn't match policy | Client; use legal name on card |
| No ICD-10 diagnosis code | Yours; code every line |
| Wrong or missing POS code | Yours; 11 office, 10/02 telehealth |
| Filed past the plan's deadline | Client; submit monthly |
| No out-of-network benefits on the plan | Nobody; HMO/EPO plans won't pay |
That last row matters most. HMO and EPO plans typically have no out-of-network benefit at all, so a perfect superbill still pays nothing. Have clients confirm they have out-of-network coverage before they count on reimbursement; it's one of the questions in our benefits verification script. Plans that do reimburse commonly cover a percentage of an "allowed amount" after a separate out-of-network deductible, not a percentage of your fee.
A superbill discloses the client's diagnosis to their insurer, and it becomes part of their claims history. Say this out loud in the first session where money comes up. Some clients will choose private pay precisely to keep a diagnosis off the record, and that's their call to make with full information.
How do superbills bridge the credentialing gap?
They let you see a payer's members legally before your contract exists. While your application crawls through the 60–120 day credentialing pipeline, you can't bill in-network, and billing before your effective date gets claims denied. Nothing stops the client from using their out-of-network benefits with a superbill in the meantime.
What to tell clients: "I'm in the process of joining your network. Until that's done, you pay me directly and submit this superbill; once I'm in-network, your cost per session likely drops." Practices that run credentialing through a service (paneled.ai is one) often start the applications and the superbill bridge on the same day, so the out-of-network phase is as short as the payer allows.
Set the expectation that reimbursement is the client's money and the client's claim. You provide a complete, accurate superbill; you don't call the insurer about their claim status, and you don't guarantee what their plan pays.
What should the template actually look like?
Use the one below. Put it on letterhead, fill the provider block once, and save it; then each month you only touch the service lines. The second block is the email you send clients with their first superbill, so they know what to do with it and stop forwarding you the insurer's questions.
SUPERBILL / STATEMENT FOR INSURANCE REIMBURSEMENT
PROVIDER Name & credentials: [LEGAL NAME, LICENSE TYPE, e.g., Jane Doe, LCSW] License #: [NUMBER] (State: [STATE]) NPI (Type 1): [10-DIGIT NPI] Taxonomy code: [e.g., 1041C0700X] Tax ID (EIN): [XX-XXXXXXX] Practice address: [STREET, CITY, STATE ZIP] Phone: [PHONE] Email: [EMAIL]
CLIENT Name (as on insurance card): [LEGAL NAME] Date of birth: [MM/DD/YYYY] Member ID: [ID] Insurance company: [PAYER]
SERVICES Date of service: [MM/DD/YYYY] CPT code: [90791 / 90834 / 90837] Modifier: [95 if telehealth, if plan requires] ICD-10 diagnosis: [e.g., F41.1] Place of service: [11 office / 10 telehealth-home / 02 telehealth-other] Fee charged: $[FEE] Amount paid by client: $[PAID] (Repeat one line per session)
TOTALS Total charged: $[TOTAL] Total paid: $[TOTAL PAID] Balance due: $0
Payment was made in full by the client. Provider is out-of-network with the above insurance plan. This statement is provided for the client to seek reimbursement under out-of-network benefits.
Provider signature: ______________________ Date: [MM/DD/YYYY]
Subject: Your superbill for [MONTH], and how to submit it
Hi [CLIENT FIRST NAME],
Attached is your superbill for [MONTH]. This is an itemized statement you can send to your insurance company to request reimbursement under your out-of-network benefits. Here's how:
- Log in to your insurance member portal and search "out-of-network claim" or "member reimbursement"; most plans have an online upload.
- If they require a claim form, download it, fill in your section, and attach this superbill. Everything the form asks about me (NPI, tax ID, license, codes) is already on the superbill.
- Submit within your plan's deadline: many plans allow 90 days to one year after the session date, so don't sit on it.
- Reimbursement, if your plan provides it, goes directly to you. It usually applies after your out-of-network deductible.
I can't call your insurer about your claim (it's between you and them), but if they say something on the superbill is missing or incorrect, forward me the letter and I'll issue a corrected one.
[YOUR NAME]
Keep a copy of every superbill you issue. When a plan pays, note what it allowed. Those numbers tell you what out-of-network actually yields per payer, which is useful context next to the in-network reimbursement rates by insurer when you decide which panels are worth joining at all.
Common questions
- What has to be on a superbill for therapy?
- Your legal name, license type and number, Type 1 NPI, taxonomy code, tax ID (EIN or SSN), practice address, the client's legal name and date of birth, date of service, CPT code, ICD-10 diagnosis code, place-of-service code, your fee, and the amount the client paid. Missing any one of these can bounce the claim.
- Is a superbill the same as an invoice or receipt?
- No. A receipt proves payment; a superbill is a coded claim document the client submits to their insurer for out-of-network reimbursement. It needs diagnosis and procedure codes, your NPI, and a place-of-service code, none of which appear on a normal invoice.
- Can I give superbills before I'm credentialed with a payer?
- Yes. A superbill is out-of-network billing, so it doesn't require any contract with the payer. Clients with out-of-network benefits (usually PPO plans) submit it themselves. It's the standard way to keep seeing clients while your credentialing application is still in process.
- Do superbills require a diagnosis?
- Yes. Every CPT code on a superbill must be paired with an ICD-10 diagnosis code, and insurers will not reimburse without one. That means the client's insurer sees the diagnosis. Tell clients this before their first superbill; some prefer to stay private pay rather than disclose.
- How often should I give clients a superbill?
- Monthly is the norm: one superbill listing all of that month's sessions as separate line items. Many plans enforce claim-filing deadlines between 90 days and one year from the date of service, so monthly batching keeps every session safely inside the window.
The paneled.ai team · Credentialing specialists. We file and track insurance credentialing applications for behavioral health providers every day — these guides come from what we see go wrong (and right) in real applications.