Principal Disability Insurance for Physicians and Dentists

Quick Answer: When Principal Is the Right Carrier

Principal is one of the five major individual disability insurance carriers we write for physicians and dentists. Its role in our practice is more specific than people expect: roughly 85% of the policies we place go to Guardian or MassMutual, the two carriers that win on contract substance and underwriting for most physician and dentist cases. Principal sits as our preferred third option, ahead of The Standard and Ameritas on company size and financial strength ratings, and it becomes a first-call recommendation in two distinct situations.

The first is the case where Principal's underwriting or pricing comes back more favorable than Guardian or MassMutual for a specific applicant. Medical history flags, specialty designation, occupation class, age, sex, or state can occasionally produce a Principal offer that beats the top two carriers on either underwriting class or premium. These cases are not the typical case, but when they appear, Principal becomes the right placement on substance.

The second is the physician or dentist working part-time. Most major carriers will not write a true own-occupation individual disability contract for a physician working fewer than 30 hours per week. Principal will, which makes it the default carrier for physicians scaling back hours (semi-retirement transitions, family-balance arrangements, fellowship transitions involving reduced clinical schedules) who still need to protect the income they earn.

The product is Income Protector (form series ICC22-800), issued by Principal Life Insurance Company (Des Moines, Iowa). The contract is noncancelable and guaranteed renewable, written on a level premium basis (the rate is set at issue based on age, sex, state, occupation class, and risk class, and does not increase as you age).

What Principal Is and How Strong It Is

Principal Life Insurance Company was founded in 1879 in Des Moines, Iowa, and operates as the lead insurance subsidiary of Principal Financial Group, a publicly traded company (NYSE: PFG). Current financial strength ratings (as of May 2026):

Comdex Score Comparison: Five Major Carriers

Among the five major physician DI carriers we work with, current Comdex scores are: Guardian 100, MassMutual 98, Principal 90, The Standard 84, Ameritas 83. Principal sits in the middle of the pack, with an A+ Superior from AM Best and a strong four-agency rating profile.

Underlying balance sheet data (year-end 2024 statutory) supports the rating. Total admitted assets of approximately $240 billion make Principal the second largest of the five carriers we work with, behind MassMutual ($345 billion) and ahead of Guardian ($87 billion), The Standard ($41 billion), and Ameritas ($29 billion). A meaningful share of Principal's book sits in separate accounts (institutional retirement business), which is one reason general account leverage looks different from peers. Where Principal stands out: net yield on mean invested assets of 4.63% in 2024 and 4.34% on a five-year average, both the highest of the five carriers. Non-performing assets are 0.5% of surplus and 0.0% of invested assets. 95.0% of the bond portfolio sits in the highest-quality NAIC Class 1-2 range. The composite picture is a large, well-capitalized carrier with strong investment performance and conservative credit quality.

The Contract: Income Protector

Definition of Total Disability: Modified Own-Occupation Base with Specialty Deeming; True Own-Occupation Available as a Rider

Principal Income Protector's base policy is written on a modified own-occupation basis. True own-occupation coverage is available as an optional rider, and for almost every physician or dentist application, the policy should be quoted with the True Own-Occupation Rider attached. Specialty deeming for physicians and dentists is built into the base contract and does not require a separate rider. The verbatim base-policy specialty deeming language reads:

Plain-English reading: if a cardiologist who has limited her work to cardiology develops a condition that prevents her from practicing cardiology, the policy evaluates her ability to perform cardiology, not her general ability to practice medicine. The same logic applies to a periodontist who can no longer perform periodontal procedures, a dermatologist who can no longer practice dermatology, and so on. With the True Own-Occupation Rider attached, the policyholder may also have a basis for total disability benefits even if working in another occupation for income.

A few structural points matter for comparison shopping. Specialty deeming language is built directly into Principal's base policy, which is one step stronger than MassMutual's Radius Choice (where specialty deeming and true own-occupation are bundled into the Own Occupation Rider that has to be elected). True own-occupation coverage at Principal does require electing the optional rider, which is also true at MassMutual. Guardian's Provider Choice contract includes true own-occupation in the base. For practical purposes, Principal and MassMutual both reach a comparable own-occupation outcome at quote time, because in nearly every physician or dentist case the true own-occupation rider is elected and priced into the premium. Guardian's contract also includes explicit surgical-procedures and hands-on patient care deeming paths in its enhanced own-occupation definition, which Principal's base policy does not contain.

Residual Disability and Recovery Benefit Rider

Partial disability and residual disability are one concept: the policy continues to pay a proportionate benefit when the insured's earnings drop because of injury or illness, even if not totally disabled. Principal's residual rider (form ICC22-800-RDRB) has strong benefit mechanics once a claim qualifies, paired with a qualification structure after the elimination period that is more restrictive than Guardian's enhanced partial benefit. Both elements matter for understanding how the rider will perform in practice.

Key mechanics of the residual rider:

• 15% loss-of-earnings threshold to qualify (lower than the standard 20% on most carriers).
• During the elimination period, the insured qualifies on any one of three independent factors: loss of earnings of 15% or greater, inability to perform some but not all substantial and material duties of the occupation, or inability to work full time in the occupation. Any one of these alone is enough during the elimination period.
• After the elimination period, the structure tightens. The insured must show both (a) loss of earnings of 15% or greater AND (b) either inability to perform some duties or inability to work full time. Loss of earnings on its own does not qualify after the elimination period; there has to be a corresponding duties or time element.
• Once residual benefits qualify, a 50% minimum benefit is guaranteed for the first 12 months (the policy pays at least half of the maximum monthly benefit regardless of the calculated percentage).
• If loss of earnings exceeds 75%, the policy pays 100% of the maximum monthly benefit (the residual ramp-up converts to a full total-disability-equivalent benefit at high loss levels).
• Recovery benefit continues paying after a return to work while earnings remain below pre-disability levels, supporting the transition back to full income.

For most physicians and dentists, this is the rider that does the most work at claim time. The 50% minimum for the first 12 months matters because the rebuilding period after a long-duration disability is typically when income calculations fluctuate most, and the minimum benefit smooths the financial picture during that period.

How Principal's Residual Rider Compares to Guardian's Enhanced Partial Benefit

The dual-requirement structure after the elimination period is the place where Principal lags Guardian most directly on partial and residual claims. Guardian's enhanced partial benefit qualifies on loss of earnings alone, with no separate duties or time test required.

For practice owners and procedural specialists whose earnings track closely to volume rather than hours or duty categories, this structural difference is material. Principal's benefit mechanics (50% minimum, 100% at 75% loss) work well once a claim qualifies, but a meaningful subset of physician and dentist claims that would qualify under Guardian's enhanced partial benefit do not qualify under Principal's after the elimination period passes.

Understanding this distinction is one reason we compare all five carriers on every quote. The right carrier depends on your specialty, practice structure, and which contract terms matter most for your specific situation. You can explore own-occupation disability insurance in depth on our dedicated page.

Available Riders

True Own-Occupation Rider

The True Own-Occupation Rider modifies the base policy's total disability definition so that benefits continue to pay even if the insured is working in another occupation, as long as injury or illness prevents performing the substantial and material duties of the insured's own occupation. Without this rider attached, the base policy operates on a modified own-occupation basis, and earned income from another occupation can affect the benefit at claim time. For physicians and dentists, the True Own-Occupation Rider should be considered standard rather than optional.

Concrete illustration: a board-certified internist insured under Principal Income Protector develops a chronic condition that prevents continued clinical practice. With the True Own-Occupation Rider attached, the policyholder may have a basis for full total disability benefits while pursuing a new career in pharmaceutical consulting or medical education, regardless of the income earned in that new role. Without the rider, the income from the new occupation could materially affect the benefit calculation.

The cost of the True Own-Occupation Rider is small relative to the contractual difference it makes at claim time, and DoctorDisability quotes Principal Income Protector with the rider attached unless a specific client situation calls for omitting it.

Maximize Your Benefit Rider (MYB)

The Maximize Your Benefit rider (form ICC22-800-MYB) allows the policyholder to increase the maximum monthly benefit without medical underwriting, with two qualification structures:

• First 3 years: increases are based on financial underwriting only (no qualifying event needed).
• After 3 years: increases require financial underwriting plus a qualifying event. Qualifying events include a 20% sustainable earnings increase, a life event (birth, adoption, marriage, divorce, death of spouse), or an employer group LTD discontinuation or reduction.

In practice, MYB's clearest value is at the residency-to-attending transition. A resident insuring at training-income limits (commonly $5,000 of monthly benefit) can use MYB to step coverage up to attending-income limits (commonly $10,000 to $15,000) once the new contract is signed, with no medical underwriting required. Every major carrier handles this same transition through some off-cycle increase provision, so the move from training-income to attending-income coverage is not unique to Principal.

After the first three policy years, MYB requires either a 20% sustainable single-year earnings increase or a qualifying life event (birth, adoption, marriage, divorce, death of spouse, or specified group LTD changes). Guardian's Benefit Purchase Option and MassMutual's Benefit Increase Rider take a different approach: a scheduled increase opportunity every three years based on income as it stands at the cycle, with no requirement that income have jumped 20% in any single year. For an established attending whose income grows at typical single-digit annual rates after the initial training-to-attending step, the three-year cycle structure is more likely to produce ongoing increases than MYB's single-year 20% trigger. MYB is competitive at the early-career transition; it is not structurally superior to Guardian's BPO or MassMutual's BIR for established attendings.

Cost of Living Adjustment (COLA)

The COLA rider (form ICC22-800-COLA) provides annual benefit increases during a claim based on the Consumer Price Index for All Urban Consumers, with a maximum 3% compound annual increase. If CPI-U is zero or negative, the monthly benefit holds steady. COLA matters most for younger physicians and dentists with long potential claim horizons. A $10,000 monthly benefit on a 20-year claim with 3% compound COLA reaches roughly $18,000 by year 20; without COLA, $10,000 in year-20 dollars has eroded substantially in purchasing power.

Annual Increase Rider (AIR)

The Annual Increase rider (form ICC22-800-AIR) automatically increases the maximum monthly benefit by 3% compounded each year, without medical or financial underwriting. The rider continues until the termination date and drops off if the policyholder refuses two consecutive increases. For young physicians and dentists who want automatic inflation-tracking without exercising options manually, this is the simpler complement to FIO-style growth.

Catastrophic Disability Benefit Rider

The Catastrophic Disability Benefit rider (form ICC22-800-CDB) pays an additional monthly benefit when the insured cannot perform two or more of six activities of daily living without standby assistance, or has severe cognitive impairment requiring substantial assistance. The combined catastrophic benefit and base monthly benefit can provide up to 100% of pre-disability income. The rider does not directly or indirectly provide long-term care services coverage. The MYB rider can also be applied to the Catastrophic Disability Benefit, allowing the catastrophic layer to grow with income over time.

Capital Sum Benefit, Death Benefit, and Supplemental Health Benefit

Three lump-sum riders address specific scenarios beyond ongoing monthly income replacement:

• Capital Sum Benefit: a lump-sum benefit for permanent loss of speech, hearing, sight, or use of a hand or foot.
• Death Benefit: a lump-sum benefit paid if the insured dies while on claim (provides survivor liquidity beyond ongoing benefits).
• Supplemental Health Benefit: a one-time lump-sum benefit (typical face value $60,000) if the insured becomes disabled and is diagnosed with coronary artery bypass graft surgery, cancer, or stroke. Specific diagnostic criteria are spelled out in the rider.

Student Loan Repayment Rider

For residents, fellows, and early-career physicians with significant educational debt, Principal offers a student loan repayment rider that provides a separate monthly benefit specifically for student loan payments during disability. Maximum monthly benefit and benefit period are set at issue, and the rider expires when the underlying loans are paid off.

Presumptive Disability Benefit Rider

Built-in presumptive disability coverage (form ICC22-800-PDB) provides full monthly benefits with no elimination period if the insured permanently loses the power of speech, hearing in both ears, sight in both eyes, or use of both hands, both feet, or one hand and one foot. Benefits continue for as long as the loss continues, regardless of ability to work or earn income.

Benefit Period and Elimination Period

Benefit period options: 2 years, 5 years, 10 years, to age 65, to age 67, and to age 70. For attending physicians and dentists in their 30s or 40s, to age 65 or to age 67 is the standard recommendation. Shorter periods cut premium but expose the bulk of the earning years.

Elimination period options: 30, 60, 90, 180, and 365 days. Most physicians and dentists select 90 days, balancing premium savings against the cash-reserve burden of waiting out the elimination period before benefits begin.

How Principal Compares to the Other Major Carriers

My read: roughly 85% of the policies we place go to Guardian or MassMutual, which are the two carriers that win on contract substance and underwriting for most physician and dentist cases. Principal earns its place on a physician's quote sheet as the preferred third option, ahead of The Standard and Ameritas on company size and financial strength. The contract is genuinely solid: specialty deeming is built into the base policy, true own-occupation is available via optional rider and should be elected on every physician and dentist application, the residual rider has strong benefit mechanics once a claim qualifies (50% minimum for 12 months, 100% benefit at 75% loss), and Principal is willing to write physicians and dentists working under 30 hours per week, which most major carriers are not. The residual rider's after-elimination qualification structure is more restrictive than Guardian's enhanced partial benefit, which matters most for practice owners and procedural specialists whose earnings can drop without a corresponding change in duties or hours. The Maximize Your Benefit rider is a real feature for the residency-to-attending transition, though every major carrier handles that transition through one mechanism or another, and Guardian's Benefit Purchase Option and MassMutual's Benefit Increase Rider offer more reliable ongoing growth across an established career. The two situations where Principal becomes the clearest first call are physicians and dentists working part-time and cases where Principal's underwriting or pricing comes in materially more favorable than the top two carriers for the specific applicant.

Pricing

Premium for Income Protector is level for the life of the contract, set at issue based on age, sex, state, occupation class, and risk class. The two structural pricing dimensions that matter most are sex and state. Illustrative 2026 annual premium ranges for a healthy 35-year-old physician at the general physician specialty level, $10,000 monthly benefit, to age 65, with the True Own-Occupation Rider, COLA, MYB, and residual rider attached:

Actual premium varies by specialty, sub-specialty, medical history, and rider configuration. Principal's premium is typically competitive across most specialties; for clean healthy cases at the general specialty level it sits comparable to MassMutual and below Guardian.

Resident and Fellow Discount

Principal offers a 20% resident and fellow discount that ties with MassMutual for the highest in the major-carrier market. The discount is locked into the policy at issue and stays with the contract for life; it does not phase out when the resident becomes an attending. Principal does not currently participate in Guaranteed Standard Issue (GSI) programs at academic medical centers.

Application, State Availability, and Claims

Application process is conventional individual disability underwriting: application submission, attending physician statement (APS) requests for flagged conditions, Medical Information Bureau (MIB) and prescription history checks, paramedical examination above carrier thresholds, and income verification (tax returns, W-2s, pay stubs). Typical timeline runs 4 to 8 weeks for a clean case. Principal's underwriting communications are generally professional and the timeline is consistent with peers.

Income Protector is approved in most states. Specific rider availability varies by state and is confirmed at the quote stage. On claims, Principal has decades of physician and dentist claim history and the operation runs at a level comparable to Guardian and MassMutual for the policies it issues. Principal is one of the four carriers we have the most direct claims-handling experience with.

For physicians evaluating whether to purchase an individual policy versus relying on group disability insurance, Principal's noncancelable and guaranteed renewable contract provides the kind of long-term stability that employer group plans typically cannot match. The premium is locked at issue; the carrier cannot cancel or raise rates while the policy remains in force.

When DoctorDisability Recommends Principal

Principal is the recommended primary carrier when:

Principal is not the first recommendation when:

The right way to evaluate Principal is alongside the other four major carriers in a head-to-head quote comparison. Each carrier writes meaningfully different contract language, and the best fit depends on specialty, medical history, training status, income trajectory, and timing. See our guide to own-occupation disability insurance for a deeper look at how contract definitions affect claim outcomes, or our pages on Northwestern Mutual disability insurance and Ameritas disability insurance for additional carrier comparisons.

Frequently Asked Questions

Next Steps

If you are evaluating Principal alongside the other major physician or dentist disability carriers, the productive first step is a quote comparison across all five major carriers. We compare contract language, underwriting appetite, rider configuration, and pricing, then recommend the carrier most likely to write the cleanest contract for your specific specialty, medical history, state, and timing. No charge, no obligation, nothing filed until you have reviewed the offers.