HB 1535
In CommitteeHouse
Dental insurance practices
Ensuring patient choice and access to care by prohibiting unfair and deceptive dental insurance practices.
This status may be delayed. See Action History below for the latest updates.
How does a bill become law?
- Introduced: The bill is filed and assigned a number.
- Committee: A subject-matter committee holds hearings, takes public testimony, and decides whether to advance the bill.
- Floor Vote: The full chamber (House or Senate) debates and votes on the bill.
- Opposite Chamber: The bill repeats the committee and floor vote process in the other chamber.
- Governor: The Governor reviews the bill and decides whether to sign or veto it.
- Signed: The bill has been signed into law.
AI Analysis
This bill overhauls dental insurance practices in Washington to prioritize patient care and provider autonomy over corporate profits. It bans insurers from interfering in treatment decisions, requires them to spend at least 85% of premiums on care, and gives patients and dentists stronger rights and protections—especially around denied claims and fair reimbursement.
- Dentists—not insurers—must make all treatment decisions in consultation with patients, and insurers may not deny coverage based on their own independent diagnosis or because multiple procedures were performed the same day.
- Insurers may not reduce reimbursement rates for in-network dentists during the contract term unless the dentist agrees in writing.
- Insurers must pay out-of-network dentists at least as much as they pay in-network dentists for the same services.
- Insurers offering standalone dental plans must spend at least 85% of premium dollars on actual dental care (medical loss ratio), and refund excess funds to policyholders if they fall short.
- Insurers must submit detailed annual data—including dental loss ratios, administrative costs, and enrollment—and undergo rate review; rates may be disapproved if administrative costs rise too fast, profits exceed 1.9% of revenue, or loss ratio falls below 85%.
- Insurers must offer providers at least one no-fee payment method (e.g., direct deposit) and disclose fees for alternative methods like credit cards—providers can only accept fee-based payments if they choose to do so.
Who is affected
- Dental patients and their families — Dental patients will gain more control over treatment decisions, be protected from surprise out-of-pocket costs for covered services, and have the right to request independent reviews of denied claims. They may also receive premium refunds if insurers fail to meet the 85% medical loss ratio requirement.
- Dental providers (dentists, dental practices) — Dentists will retain full authority over treatment decisions (not insurers), be protected from retroactive rate cuts during contract terms, and receive fair reimbursement for both in-network and out-of-network services. They also gain protection from payment processing fees unless they voluntarily choose a fee-based method.
- Dental insurers and third-party administrators — Insurance companies offering standalone dental plans must now meet stricter financial transparency and accountability standards—including spending at least 85% of premiums on care, submitting detailed annual reports, and undergoing rate review—potentially reducing their profit margins.
- State regulatory agencies (e.g., Washington Office of the Insurance Commissioner) — State agencies—particularly the Office of the Insurance Commissioner—will gain new rulemaking and enforcement authority over dental insurance practices, including reviewing and approving or disapproving rates, requiring data reporting, and overseeing refunds.
Pro/Con Analysis
Potential Benefits (5)
The 85% MLR requirement and automatic refunds for shortfalls directly benefit everyday Washingtonians—especially low- and middle-income families—who pay dental premiums but often receive inadequate clinical value; this aligns incentives toward care over profit and has strong precedent in the medical insurance market.
FinancialPeopleRef: Sec. 8(5)(a)-(c); Sec. 7(3)(c)Shifting treatment authority to dentists and banning insurer-initiated denials based on independent diagnosis reduces administrative interference in clinical judgment—this is especially beneficial for vulnerable populations (e.g., low-income, rural, or chronically ill patients) who face disproportionate barriers to care under prior authorization and coverage gatekeeping.
HealthcarePeopleRef: Sec. 2(1)(a), (b); Sec. 6(1)(a)Protecting in-network dentists from retroactive rate cuts during contract terms stabilizes provider revenue and reduces the risk of sudden contract terminations—this supports small-to-mid-sized dental practices, which employ many Washingtonians and serve as primary access points for rural and underserved communities.
Business & EmploymentPeopleRef: Sec. 6(2); Sec. 2(3)Public reporting of dental loss ratios, administrative costs, and refunds increases transparency and enables consumer comparison—empowering individuals to choose plans with higher clinical value, which can drive market-level improvements in care quality and accountability.
Public SafetyPeopleRef: Sec. 8(5)(b); Sec. 9(3)Requiring at least one no-fee payment option for providers and banning same-day procedure denials reduces out-of-pocket costs for patients—especially those on fixed incomes or managing multiple health needs—by eliminating hidden administrative fees and enabling bundled, efficient care.
FinancialPeopleRef: Sec. 4(1)(b); Sec. 2(1)(a)
Potential Concerns (5)
Dentists retain sole authority over treatment decisions, and insurers may not deny coverage based on independent diagnosis or same-day procedures—this strengthens clinical autonomy and reduces medically unnecessary denials, improving access to needed care for patients, especially those with complex or time-sensitive needs.
HealthcarePeopleRef: Sec. 2(1)(a), (c); Sec. 6(2)The 85% medical loss ratio (MLR) requirement—mandating that at least 85% of premiums go toward actual dental care, with refunds for shortfalls—reduces insurer profit margins and returns excess premiums to consumers, directly benefiting policyholders who pay for coverage that was previously underutilized for care.
FinancialPeopleRef: Sec. 8(5)(a)-(c); Sec. 7(3)Prohibiting retroactive rate cuts for in-network dentists and requiring written consent for changes protects providers from unilateral financial penalties, stabilizing provider participation and reducing the risk of sudden network disruptions that leave patients scrambling for care.
Rights & LibertiesPeopleRef: Sec. 6(2); Sec. 2(3)Banning denials based on multiple procedures performed on the same day removes an administrative barrier to comprehensive care—especially important for children, patients with disabilities, or those needing time-sensitive restorative work—reducing out-of-pocket costs and improving care coordination.
HealthcarePeopleRef: Sec. 2(1)(b)(ii); Sec. 6(1)(b)Mandating at least one no-fee payment method for providers and requiring refund/credit communication for MLR shortfalls increases transparency and reduces administrative friction—particularly helpful for small practices with limited billing infrastructure.
FinancialPeopleRef: Sec. 4(1)(b); Sec. 8(5)(b)
Who Is Most Affected
Low- and middle-income families—especially those on standalone dental plans—will benefit significantly from the 85% MLR requirement and refund mechanism, as they are most likely to pay premiums without receiving adequate clinical value under current practices. The ban on same-day denials and treatment interference also improves access for children and patients with special needs.
Small- and mid-sized dental practices benefit from protections against retroactive rate cuts and guaranteed fair reimbursement for out-of-network services, reducing financial risk and supporting practice sustainability—especially in rural or underserved areas where network instability has historically driven provider exits.
Large dental insurers and third-party administrators face reduced profit margins due to the 85% MLR cap, rate disapproval authority, and refund obligations—especially those with historically high administrative costs or low clinical spending. This may accelerate industry consolidation or exit from the standalone dental market.
The Office of the Insurance Commissioner gains new rulemaking and enforcement authority over dental-only plans, enabling more proactive oversight and consumer protection—though this may require additional staffing or technical resources to implement rate reviews and data reporting effectively.
Employers offering standalone dental benefits may face higher premiums or reduced plan options as insurers adjust to stricter financial standards—though those who self-insure or negotiate directly with providers may benefit from reduced administrative interference and more transparent cost structures.