The Definitive NP Psychiatric Billing Guide & Reimbursement Rates for 2026
If you're a psychiatric nurse practitioner (NP) — or you run a group practice that employs one — you already know that billing for psychiatric services is its own universe. Between incident-to rules, collaborative practice agreements, varying payer credentialing timelines, and the annual Medicare rate updates, it's easy to leave thousands of dollars on the table every single month without even realizing it.
This guide cuts through the noise. We've compiled everything a psychiatric NP needs to know about CPT codes, 2026 reimbursement benchmarks, payer-specific quirks, documentation requirements, and compliance landmines — so you can bill confidently and get paid what you've earned.
Let's get into it.
Who This Guide Is For
This guide is written specifically for:
- Psychiatric nurse practitioners (PMHNPs) in independent or collaborative practice
- Practice administrators managing NP billing workflows
- Group practice owners with NPs on staff (psychiatrists, therapists, LPCs, LCSWs, LMFTs)
- Billing specialists who handle behavioral health claims
Whether you're credentialed with Medicare, Medicaid, or commercial payers — or you're still working through the credentialing process — this guide applies to you.
The Foundational Issue: How NPs Are Paid Differently Than Physicians
Before diving into codes and rates, you need to understand the single biggest factor affecting NP reimbursement: the Medicare physician fee schedule payment differential.
Under Medicare, NPs are reimbursed at 85% of the physician fee schedule rate for services they bill independently (under their own NPI). Physicians — including psychiatrists — bill at 100%. This gap exists across most Part B services and is one of the most hotly debated issues in advanced practice nursing policy.
The important exception: When an NP bills "incident-to" a physician in a non-facility setting, the practice can bill at 100% — but only if strict supervision and documentation requirements are met. More on that below.
For commercial payers, reimbursement rates vary widely. Some payers reimburse NPs at parity with physicians; others mirror Medicare's 85% reduction. You need to know your contracts.
Core CPT Codes for Psychiatric NP Billing in 2026
Psychiatric Evaluation Codes
These are your intake/evaluation codes. Use them for new patients and comprehensive re-evaluations.
| CPT Code | Description | Typical Time | 2026 Medicare Rate (Non-Facility) |
|---|---|---|---|
| 90791 | Psychiatric diagnostic evaluation (no medical services) | 60–90 min | ~$195–$210 (NP at 85%) |
| 90792 | Psychiatric diagnostic evaluation with medical services | 60–90 min | ~$240–$265 (NP at 85%) |
When to use 90792 vs. 90791: If your evaluation includes ordering labs, reviewing physical health history, or assessing medication needs — which is almost always true for a PMHNP — 90792 is the right code. Don't shortchange yourself by defaulting to 90791 out of habit. The documentation must support the medical services component.
Psychotherapy Add-On Codes
Psychiatric NPs who provide psychotherapy alongside medication management can bill add-on codes. These are billed in addition to an E/M code.
| CPT Code | Description | Time | 2026 Medicare Add-On Rate (approx.) |
|---|---|---|---|
| 90833 | Psychotherapy, 16–37 min (add-on to E/M) | 16–37 min | ~$65–$75 |
| 90836 | Psychotherapy, 38–52 min (add-on to E/M) | 38–52 min | ~$100–$115 |
| 90838 | Psychotherapy, 53+ min (add-on to E/M) | 53+ min | ~$130–$145 |
Pro tip: These codes require that you document both the E/M portion and the psychotherapy portion separately in your note. The medical decision-making or time must support the E/M, and the psychotherapy content (therapeutic techniques, patient response, treatment goals addressed) must be explicitly documented. Auditors look for this separation — and the absence of it is one of the top reasons psych claims get clawed back.
Evaluation & Management (E/M) Codes for Medication Management
After the initial evaluation, most of your visits will be follow-up E/M visits for medication management.
| CPT Code | Description | MDM Level | 2026 Medicare Rate (Non-Facility, NP at 85%) |
|---|---|---|---|
| 99212 | Office visit, straightforward MDM | Low | ~$50–$60 |
| 99213 | Office visit, low MDM | Low-Moderate | ~$80–$95 |
| 99214 | Office visit, moderate MDM | Moderate | ~$120–$140 |
| 99215 | Office visit, high MDM | High | ~$160–$185 |
The 2021 E/M overhaul still matters: Since CMS revamped E/M guidelines in 2021, you can now base code selection on either total time or medical decision-making (MDM) — not history and exam. For psychiatric NPs, this is actually advantageous. A 25-minute medication management visit with moderate MDM (managing two or more chronic conditions, reviewing lab results, assessing risk) legitimately supports 99214.
Most psychiatric follow-ups should NOT be billed as 99212 or 99213. If a patient is on psychiatric medications, has ongoing symptoms being monitored, and you're making any treatment decisions — that's moderate MDM, which means 99214. Undercoding is just as much of a compliance problem as overcoding.
Telehealth Billing for Psychiatric NPs
Telehealth has remained a major delivery channel for psychiatric care. Post-pandemic, CMS has extended many telehealth flexibilities, and behavioral health has its own permanent telehealth provisions under the Consolidated Appropriations Act.
Key 2026 telehealth billing facts for psychiatric NPs:
- Use the same CPT codes as in-person visits (90791, 90792, 99212–99215, add-ons)
- Append modifier 95 for synchronous audio-video telehealth
- Append modifier 93 for audio-only telehealth (when video isn't available)
- Place of Service (POS) code: 02 for telehealth (patient not in their home); 10 for telehealth when patient is at home
- Behavioral health telehealth services do not require the patient to be in a rural area — a major win for psychiatric NPs
- The originating site fee (Q3014) is generally not applicable when the patient is at home
Audio-only note: Many commercial payers still do not reimburse audio-only telehealth for psychiatric services. Check your individual contracts before billing modifier 93.
Incident-To Billing: The 100% Rate Opportunity (With Big Caveats)
"Incident-to" billing allows a practice to bill NP services under the supervising physician's NPI at 100% of the Medicare fee schedule — rather than 85%. Sounds great. But the rules are strict, and violations are a major OIG audit target.
To bill incident-to, ALL of these conditions must be met:
- The physician must have initiated the treatment plan for the patient
- The physician must be present in the office suite (not just on-call — physically in the building)
- The NP must be an employee or contracted staff of the physician/group
- The service must be a continuation of care, not a new problem
- The physician's initial plan must be documented in the chart
What disqualifies incident-to billing:
- New problems introduced at the visit
- The supervising physician is working remotely
- The patient is new to the practice
- The NP works independently at a satellite location
Our take: Incident-to billing is legitimate when done correctly, but the documentation burden is high and the audit risk is real. Many practices overbill incident-to by accident — particularly when a new mental health condition comes up mid-visit. Train your clinical and billing teams on this distinction explicitly.
NP Credentialing and Enrollment: Don't Let This Kill Your Revenue
One of the most common cash flow problems for psychiatric NPs is the gap between start date and active credentialing with payers. Here's what you need to have locked in:
- Medicare enrollment (PECOS): Apply early — processing can take 60–90 days. NPs must enroll under their own Type 1 NPI and select "Nurse Practitioner" as the provider type.
- Medicaid: Each state has its own enrollment process. Some states require a separate behavioral health provider enrollment.
- Commercial payers: BCBS, Aetna, Cigna, UnitedHealthcare, and Optum all have their own credentialing timelines (typically 90–180 days). Apply to multiple payers simultaneously.
- Council for Affordable Quality Healthcare (CAQH): Keep your CAQH profile updated. Most commercial payers pull from it. An outdated profile can delay credentialing or cause your credentials to lapse.
Retroactive billing tip: Some payers (including Medicare) allow retroactive billing back to the application date if enrollment is approved. Confirm this with each payer and keep records of your application submission dates.
Payer-Specific Reimbursement Notes for 2026
| Payer | NP Reimbursement Rate | Key Notes |
|---|---|---|
| Medicare | 85% of physician fee schedule | Independent billing; incident-to at 100% with strict rules |
| Medicaid | Varies by state (60%–100%) | Some states reimburse NPs at parity with MDs |
| BCBS (varies by plan) | 80%–100% | Credentialing timelines are long; some plans require collaborative agreement on file |
| Aetna | ~85%–95% | Often requires proof of state licensure scope; verify telehealth policy by state |
| UnitedHealthcare/Optum | ~85%–100% | Behavioral health carved out in some plans; verify NP panels are open |
| Cigna | ~85%–90% | May require ANCC board certification (PMHNP-BC) for psychiatric billing |
| Tricare | 85% of Medicare fee schedule | NPs can bill independently; must be enrolled as Tricare provider |
Documentation: The Difference Between Getting Paid and Getting Audited
Here's the truth: the #1 reason psychiatric NP claims get denied, downgraded, or audited is documentation that doesn't support the billed code. Not fraud. Not intentional upcoding. Just notes that don't tell the full clinical story.
For 99214 (the most commonly billed psychiatric follow-up code), your documentation must support moderate MDM, which includes:
- Problems: Chronic illness with exacerbation, or two or more stable chronic conditions
- Data: Review/order of tests, independent interpretation, or discussion with another provider
- Risk: Prescription drug management (this alone often qualifies for moderate risk)
For psychiatric patients on medications — which is virtually every patient you see — prescription drug management is almost always in play. That means 99214 is frequently the appropriate code, but your note has to say it explicitly. "Continued Zoloft 100mg" buried in a bullet point isn't enough. Document why you made that decision, what you assessed, what the patient reported, and what your clinical reasoning was.
For telehealth visits using time-based billing, document the total time of the encounter and that it was synchronous audio-video. State the start and end time or total minutes directly in the note.
Collaborative Practice Agreements: A Billing and Compliance Factor
In many states, NPs still require a collaborative practice agreement (CPA) or supervisory agreement with a physician to practice — and some payers require proof of this agreement for credentialing. As of 2026:
- Full practice authority states (e.g., California, New York, Illinois, Colorado, Oregon): No CPA required
- Reduced/restricted practice states (e.g., Texas, Florida, Georgia): CPA is required; must be on file with the payer in some cases
- Some commercial payers require a CPA on file even in full-practice-authority states — this is a contract requirement, not a state law
If your CPA expires or the supervising physician leaves the practice, your billing authority may be affected. Build a reminder system to renew these agreements proactively.
Top 5 Billing Mistakes Psychiatric NPs Make (And How to Fix Them)
-
Defaulting to 99213 for all follow-ups. Most psychiatric medication management visits support 99214. Document the MDM.
-
Using 90791 instead of 90792 for intakes. If you're doing medication evaluation, you're doing medical services. Use 90792.
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Billing incident-to for new problems. This is an audit magnet. If a patient mentions a new condition, the visit must be billed under the NP's NPI.
-
Not billing add-on psychotherapy codes. If you're providing 20+ minutes of therapy alongside medication management, you're entitled to bill 90833. Most NPs don't.
-
Missing telehealth modifiers. A claim submitted without modifier 95 for a telehealth visit can be denied or result in recoupment requests.
FAQ: NP Psychiatric Billing 2026
Q1: Can a psychiatric NP bill 90792 independently without a supervising physician present?
Yes — in full practice authority states and for most payers, a PMHNP can bill 90792 under their own NPI independently. The key is that the note must document the medical services component (medication assessment, lab review, physical health history) to justify the code over 90791.
Q2: What is the 2026 Medicare reimbursement rate for 90792 billed by an NP?
Medicare reimbursement for 90792 varies slightly by geographic locality, but the national average for a non-facility setting is approximately $240–$265 at the physician rate, meaning an NP billing independently receives approximately $204–$225 (85%). Always verify your local fee schedule via the CMS Physician Fee Schedule Lookup Tool.
Q3: Can psychiatric NPs bill for group therapy?
Yes. CPT 90853 (group psychotherapy) can be billed by NPs with appropriate training and scope of practice. The rate is lower per patient (~$35–$50 under Medicare), but it can be efficient for practices running group programs. Each patient requires a separate claim.
Q4: How long should a psychiatric NP's documentation be for a 99214 visit?
There's no mandated length — it's about content, not word count. Your note must clearly support moderate MDM or the time threshold (typically 30–39 minutes total). A focused, well-structured note that explicitly documents the problem complexity, data reviewed, and prescription drug management decision is more defensible than a long note that buries the clinical reasoning.
Q5: What happens if an NP isn't yet credentialed with a payer and sees a patient?
The patient can be seen, but the NP cannot bill that payer for services until credentialing is complete. The practice may be able to bill under a credentialed supervising physician (incident-to, with all requirements met), or the patient may need to pay out-of-pocket and seek reimbursement directly from their insurer. Do not bill under a credentialed provider's NPI for services actually performed by an uncredentialed NP — that's fraud.
Q6: Does the 85% Medicare payment rate apply to telehealth services too?
Yes. The 85% NP payment differential applies to telehealth services billed under Medicare just as it does to in-person services. The rate is based on the physician fee schedule for the relevant POS code.
Q7: Can a PMHNP bill for Collaborative Care (CoCM) services?
Yes — under certain conditions. The CoCM codes (99492, 99493, 99494) are typically billed by the treating behavioral health care manager and require a collaborating psychiatrist. A PMHNP can fill the psychiatric consultant role, but the billing rules depend on whether your state and payer recognize NPs in that capacity. This is an evolving area worth monitoring in 2026.
Ready to Protect Your Revenue and Your License?
Billing correctly as a psychiatric NP in 2026 means more than just knowing the right CPT codes. It means having documentation that tells a clear clinical story — one that supports your code selection, holds up under payer audit, and reflects the genuine complexity of the care you're providing.
That's exactly what Mozu Health was built for.
Mozu Health is an AI-powered clinical documentation platform designed specifically for behavioral health providers — PMHNPs, psychiatrists, therapists, LPCs, LCSWs, and group practices. With Mozu Health, you get:
- AI-generated clinical notes that are structured to support your billed CPT codes
- MDM-aware documentation prompts that capture the complexity payers need to see
- HIPAA-compliant storage built for behavioral health workflows
- Audit-ready documentation that protects you when payers come knocking
- Telehealth and in-person documentation support with modifier guidance baked in
Stop leaving money on the table. Stop writing notes that put you at audit risk. Start documenting smarter.
👉 Try Mozu Health free at mozuhealth.com — and see how much time (and revenue) you get back.
Disclaimer: Reimbursement rates referenced in this article reflect estimated 2026 Medicare national averages and are subject to change by CMS and individual payers. Always verify current rates using the CMS Physician Fee Schedule Lookup Tool and your individual payer contracts. This guide is for informational purposes and does not constitute legal or billing compliance advice.
