Best Residual Disability Riders for Physicians (2026): How Guardian, Principal, Ameritas, MassMutual, and The Standard Actually Pay a Partial Claim

Most physician disability claims are partial, not total. We compared how the five physician-market carriers define, trigger, and pay a partial claim — the language that decides whether your policy pays when you cut back rather than stop.

EDITOR-IN-CHIEFJoshua Dunigan, DO

Sources cited

Updated September 28, 2026

MedMoneyGuide is committed to editorial integrity.

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Key takeaways

•Guardian has the strongest partial-claim language: a 15% trigger, first-year payments that replace your actual lost income up to the full benefit, and a recovery benefit that keeps paying while your income stays 15% or more below where it was.
•Principal and Ameritas deliver nearly identical protection for less. They are where most residents and early attendings should start quoting.
•MassMutual is a top-tier rider attached to the strongest company. You pay for the carrier and its dividends, not for a better definition.
•The Standard is worth a quote for psychiatry, anesthesia, and emergency medicine because of its mental-health terms, not its residual rider.
•Whatever you choose, insist on an “enhanced” definition: no requirement that you first be totally disabled, and ideally a benefit triggered by income loss alone.

The disability most physicians picture is total: a stroke, a spinal injury, a diagnosis that ends practice. The one that actually happens is partial. A surgeon with a tremor who moves to clinic. A hospitalist with long COVID who drops from fourteen shifts to eight. An anesthesiologist whose back allows four cases a day, not ten. In each case the physician is still working, still earning, and still losing a third or more of their income.

This review is about the part of the policy that covers that gap. We didn’t rank on premium, because disability pricing depends on age, sex, specialty, state, health class, and riders, and a price table would be wrong for most readers. We ranked on contract language, which is the same for everyone who buys the policy.

Why the residual rider is the part of your policy most likely to pay

A base own-occupation policy pays only when you cannot perform the material duties of your specialty. It has nothing to say about doing them less. The residual rider is what covers the distance between “working” and “working as before,” and its wording decides three things: how much income you must lose before it triggers, whether you first have to be totally disabled, and how long it keeps paying once you recover.

Because the rider is quoted as a line item, it is tempting to trim it to save premium. That is backwards. The rider is a fraction of the base cost and covers the claim you are most likely to have.

The Honest Truth:

“Residual rider included” tells you nothing. A basic residual rider can require you to first be totally disabled, to lose time and duties and income, and can stop paying the month you are medically cleared. Two policies with the same rider name on the illustration can behave completely differently at claim time. The only thing that counts is the specimen contract for your state.

A worked example

Take an orthopedic surgeon earning $600,000 with a $15,000 monthly benefit. A shoulder injury ends operating but leaves clinic, so income falls to $300,000: a 50% loss.

•Principal: 50% of $15,000, or $7,500 a month, proportionate to the loss.
•MassMutual and The Standard: also $7,500 a month here. Both pay at least 50% of the benefit for the first 12 months, which matters when the income loss is smaller or slow to show up.
•Guardian’s enhanced partial: for the first 12 months Guardian pays the actual dollars lost, up to the benefit. The loss is $25,000 a month, so it pays the full $15,000, then $7,500 proportionately. That is $90,000 more in year one.
•Ameritas: $7,500 proportionately, with a floor of $7,500 (50% of the benefit) for the first six months even if billing lag makes the early income loss look smaller.
•A policy without an enhanced rider: nothing, because the surgeon was never totally disabled first.

Run your own income and benefit through the calculator in our residual disability insurance guide.

At a glance: how each rider pays

Terms are for the physician-market contract each carrier sells through independent brokers. State versions differ; confirm the exact language on your specimen policy.

Carrier	Rider	Income-loss trigger	Total disability first?	Recovery benefit	Rating
Guardian (Berkshire)	Enhanced Partial Disability Benefit	15% loss of income	No	Pays while income loss stays at 15% or more	5.0 / 5
Principal	Residual Disability and Recovery Benefit	15% loss of income (20% in California)	No	Full benefit period (1 or 3 years in California)	4.9 / 5
Ameritas	Enhanced Residual Disability Rider	15% loss of income, plus lost time or duties	No	Full benefit period	4.8 / 5
MassMutual	Extended Partial Disability Benefits Rider	15% loss of income	No	Full benefit period	4.7 / 5
The Standard	Enhanced Residual Disability Rider	20% loss of income	No	Included; length not published	4.5 / 5

Guardian (Berkshire)

Rider: Enhanced Partial Disability Benefit
Income-loss trigger: 15% loss of income
Total disability first?: No
Recovery benefit: Pays while income loss stays at 15% or more
Rating: 5.0 / 5

Principal

Rider: Residual Disability and Recovery Benefit
Income-loss trigger: 15% loss of income (20% in California)
Total disability first?: No
Recovery benefit: Full benefit period (1 or 3 years in California)
Rating: 4.9 / 5

Ameritas

Rider: Enhanced Residual Disability Rider
Income-loss trigger: 15% loss of income, plus lost time or duties
Total disability first?: No
Recovery benefit: Full benefit period
Rating: 4.8 / 5

MassMutual

Rider: Extended Partial Disability Benefits Rider
Income-loss trigger: 15% loss of income
Total disability first?: No
Recovery benefit: Full benefit period
Rating: 4.7 / 5

The Standard

Rider: Enhanced Residual Disability Rider
Income-loss trigger: 20% loss of income
Total disability first?: No
Recovery benefit: Included; length not published
Rating: 4.5 / 5

Reviewed September 28, 2026. Ratings weigh definition strength (50%), recovery and first-year features (30%), and consistency across states (20%).

How we evaluated the riders

We read each carrier’s published rider descriptions, product guides, and producer materials for the physician market (listed under Sources) and scored four things. First, the trigger: the percentage of income you must lose before the rider pays, and whether loss of duties or time is also required. Second, whether a period of total disability is required first, which is the single biggest difference between an enhanced and a basic rider. Third, the recovery benefit: what the policy pays after you are medically recovered while your income is still catching up. Fourth, consistency, because the version approved in California or New York can differ from the one sold in Texas.

Get quotes on identical terms from an independent broker who represents all five carriers, then compare the definitions below against the price you are actually offered.

Carrier by carrier

Guardian (Berkshire)

5.0 / 5 · Strongest contract

Guardian’s Enhanced Partial Disability Benefit is the definition most brokers hold up as the standard the others are measured against. It is an optional rider, and Guardian also sells a Basic version, so check which one your illustration shows.

•Rider: Enhanced Partial Disability Benefit
•Trigger: 15% loss of income
•Total disability required first: No
•Recovery benefit: Pays while income loss stays at 15% or more
•First year of a claim: Your actual dollar loss of income, up to the full monthly benefit, for the first 12 months; then proportionate

Strengths

•Pays on a 15% income loss, or on working fewer hours or dropping duties, with no prior period of total disability.
•For the first 12 months of a partial claim it replaces your actual dollar loss of income, up to the full monthly benefit, rather than a proportionate share.
•After you return to work full time, the recovery benefit keeps paying as long as your income stays at least 15% below where it was.

Watch for

•Usually the most expensive way to buy an enhanced residual definition.
•Partial disability comes as a Basic or an Enhanced rider; the terms above are the Enhanced rider’s, so confirm that is the one you are buying.

Verdict: If the premium fits, this is the contract to beat. A physician whose income drops 15% from giving up a clinic day qualifies for a partial benefit, and for the first year Guardian replaces the dollars actually lost, up to the full benefit, instead of a proportionate share. For surgeons and proceduralists, whose income can fall sharply without a total disability, that first-year language is the difference between a policy that works and one that technically pays. Full Guardian review →

Principal

4.9 / 5 · Best value enhanced

Principal delivers nearly the same protection as Guardian, usually at a lower premium, with a simpler claim structure: the benefit is proportionate to the income you lose.

•Rider: Residual Disability and Recovery Benefit
•Trigger: 15% loss of income (20% in California)
•Total disability required first: No
•Recovery benefit: Full benefit period (1 or 3 years in California)
•First year of a claim: Proportionate to income loss; no first-months minimum published

Strengths

•No total-disability requirement; the claim starts when you are working at reduced capacity and earning at least 15% less.
•Outside California the recovery benefit continues for the full benefit period, which matters for practice owners rebuilding a patient panel.
•Consistently among the lower premiums for a true own-occupation contract with an enhanced residual definition.
•Clean, readable contract language.

Watch for

•California policies use a 20% trigger and a recovery benefit limited to one or three years.
•No first-year income replacement and no published minimum benefit; Principal describes partial claims as proportionate to the income loss.

Verdict: For most residents and early attendings this is the smart buy. Outside California the rider matches Guardian’s 15% trigger and pays a recovery benefit to the end of the benefit period; what it lacks is Guardian’s first-year income replacement. What you save in premium can fund a larger benefit. Full Principal review →

Ameritas

4.8 / 5 · Lowest cost enhanced

Ameritas is the least expensive path to an enhanced definition, with a minimum-benefit floor that softens the early months of a claim when billing lag makes the income loss look smaller than it is.

•Rider: Enhanced Residual Disability Rider
•Trigger: 15% loss of income, plus lost time or duties
•Total disability required first: No
•Recovery benefit: Full benefit period
•First year of a claim: Proportionate, with a minimum of 50% of the benefit for the first 6 months; full benefit if the loss exceeds 75%

Strengths

•Enhanced definition with no total-disability requirement, usually at a lower premium than Guardian.
•A minimum 50% benefit for the first six months of a residual claim, regardless of the exact income-loss math, and the full benefit once the loss passes 75%.
•A medical and dental resident discount, and a Future Increase Option rider that lets you raise the base benefit later without medical underwriting.

Watch for

•Residual benefits are a rider rather than base-contract language, so confirm it stays on the policy when you exercise future increases.
•The 15% income loss must come with lost time or duties: you must be unable to do all of your material duties or unable to work at least 80% of your usual time.
•Outside California, Ameritas now sells DInamic Cornerstone, which adds an Enhanced Plus Residual rider. Ameritas hasn’t publicly posted that rider’s terms, so the terms above come from its DInamic Foundation agent guide; ask which rider your quote carries.

Verdict: This is where a resident who wants an enhanced definition on a resident budget usually lands. The 50% floor in the first six months is a practical feature: early in a claim, income often hasn’t fully dropped because of billing lag, and a proportionate-only rider can pay very little in exactly those months. Full Ameritas review →

MassMutual

4.7 / 5 · Strongest company

MassMutual pairs a top-tier residual definition with the strongest balance sheet in the group and a participating policy whose dividends, if paid, can lower the net cost over a long holding period.

•Rider: Extended Partial Disability Benefits Rider
•Trigger: 15% loss of income
•Total disability required first: No
•Recovery benefit: Full benefit period
•First year of a claim: Greater of 50% of the benefit or the proportionate loss for the first 12 months; full benefit if the loss exceeds 75%

Strengths

•The Extended Partial rider matches the 15% trigger and no-total-disability structure of the best contracts.
•For the first 12 months of a claim it pays at least 50% of the rider’s benefit, and it pays the full benefit whenever the loss exceeds 75%.
•Radius Choice is a participating policy, so dividends can offset premiums as you age; they are not guaranteed, and MassMutual doesn’t expect to credit any before the end of the fifth policy year.
•Financial strength ratings at the top of the industry; benefit periods run to 65, 67, or 70.

Watch for

•Gross premiums are among the highest; the dividend offset is not guaranteed and takes years to matter.
•Underwriting is conservative, so a minor health history can cost you a rating or an exclusion.

Verdict: Choose MassMutual when company stability is your priority and you plan to hold the policy for thirty years. The rider itself is excellent; what you are paying extra for is mostly the carrier and its dividends, not a stronger definition than Guardian’s. Full MassMutual review →

The Standard

4.5 / 5 · Fewest mental-health limits

The Standard’s residual definition is sound but not the reason to pick the carrier. Its draw is contract structure elsewhere, particularly for specialties where mental-health limitations matter.

•Rider: Enhanced Residual Disability Rider
•Trigger: 20% loss of income
•Total disability required first: No
•Recovery benefit: Included; length not published
•First year of a claim: Proportionate, with a minimum of 50% of the benefit for the first 12 months

Strengths

•The Enhanced rider does not require a prior total disability, and during the waiting period a loss of time, duties, or income qualifies, which helps when billing lag delays the income drop.
•Upper occupation classes can choose unlimited mental and nervous coverage instead of a 24-month limitation (California policies always carry the limit). MassMutual, for comparison, limits these claims to 24 months unless you buy an endorsement to remove it.
•Pays at least 50% of the monthly benefit for the first 12 months of a residual claim, twice as long as Ameritas’s six-month floor.

Watch for

•The Standard says a recovery benefit applies when your earnings stay at least 20% lower after you return to work, but its published materials don’t say how long it lasts; get that from the specimen contract.
•The 20% trigger is the highest in the group, so a mild income dip the 15% carriers would pay on can fall short of it.

Verdict: The Standard earns its place for physicians whose bigger risk is a mental-health limitation rather than the fine print of a residual claim. Psychiatrists and anesthesiologists in particular should quote it. For everyone else, the residual rider is adequate but not the reason to choose this carrier. All carriers compared →

Which rider fits your situation

•Surgeon or proceduralist: your income can fall by half while you keep working clinic. Guardian’s first-year income replacement is built for exactly this; Principal and Ameritas are the value alternatives.
•Resident or fellow on a budget: buy the enhanced definition now at training rates and grow the benefit later. Premium matters more than a 15% versus 20% trigger. Ameritas or Principal.
•Practice owner: recovery benefits are your priority, because rebuilding a panel or referral base takes a year or more after you are medically cleared. Principal, Guardian, or MassMutual.
•Psychiatry, anesthesia, or emergency medicine: a mental-health limitation is a bigger risk to your policy than residual wording. Quote The Standard alongside the others and compare the limitation language first.

5 questions to ask your broker before you sign

1.Is the residual definition “enhanced”? Ask for the exact sentence. It should not require a prior period of total disability, and ideally it pays on a loss of income alone rather than also requiring lost time or duties.
2.What is the income-loss trigger, and is it 15% or 20% in my state? State approvals differ. The specimen policy for your state is the only version that counts.
3.How is prior income calculated? Look for the best consecutive 12 or 24 months in the last two to three years, indexed for inflation. A short look-back punishes physicians whose income was already falling before the claim.
4.How long does the recovery benefit last? Full benefit period is the standard to demand. Anything measured in months is a meaningful downgrade.
5.Does the rider survive future increases and a change of employer? It should, but confirm it in writing; at all five carriers the partial benefit is added by rider rather than written into the base policy.

Frequently asked questions

What is a residual disability rider?

A residual (or partial) disability rider pays a benefit when illness or injury reduces your income or duties without stopping you from working entirely. Most policies pay a proportion of the monthly benefit that matches your percentage loss of income, once that loss crosses a threshold, usually 15% or 20%.

What does “enhanced” residual mean?

An enhanced residual definition does not require a period of total disability before the partial benefit begins, and it usually adds a recovery benefit and, at some carriers, a minimum benefit in the first months of a claim. The strongest versions, such as Guardian’s, pay on a loss of income alone; others, including Ameritas’s, also require that you lose some time or duties along with the income. Guardian, Principal, Ameritas, MassMutual, and The Standard all sell a version for physicians that does not require prior total disability.

Is the 15% or 20% income-loss threshold a big difference?

For most physicians, no. On a $300,000 income the gap is $15,000 a year of lost income. The health events that reduce a physician’s income by 15% almost always reduce it by more than 20% as well. A lower trigger is a nice feature, but it rarely justifies a large premium difference on its own.

What is a recovery benefit?

A recovery benefit keeps paying after you are medically recovered and back at full duties while your income is still below its prior level — for example while a surgeon rebuilds referrals or a practice owner rebuilds a patient panel. The best contracts pay it for the full benefit period; weaker ones limit it to a few months.

Should residents buy the residual rider?

Yes. Most physician disability claims are partial rather than total, and the rider costs a fraction of the base premium. Buying it in training also locks in the definition at resident pricing and carries it forward through future-increase options.

Does group disability through my hospital include residual benefits?

Often only a limited version, with an any-occupation or modified-occupation definition after two years and no recovery benefit. Treat group coverage as a supplement to an individual policy rather than a replacement. See our group vs. individual disability insurance guide.

Your next steps

1.Decide how much coverage you need first. Our how much disability insurance guide sizes the benefit from your income; the rider is only as useful as the benefit it applies to.
2.Get all five quoted on identical terms through an independent broker: same benefit, same benefit period, same riders. Then compare the definitions above against the premiums you are offered.
3.Read the specimen contract for your state, not the illustration. The trigger, the total-disability requirement, and the recovery benefit are each one sentence; find them.
4.If you already have a policy, pull it and check the same three sentences. A basic residual rider can often be upgraded at your next future-increase window.

Sources

Disability Income Insurance Riders Simply Explained, Guardian. Accessed September 28, 2026.
How your disability insurance works for you: Benefits overview (JJ1507C), Principal Financial Group. Accessed September 28, 2026.
Principal Income Protector: Understanding your protection options (JJ2345), Principal Financial Group. Accessed September 28, 2026.
DInamic Foundation Disability Income Insurance Agent Guide (DI 1228), Ameritas. Accessed September 28, 2026.
Ameritas announces new disability income insurance product, DInamic Cornerstone, Ameritas. Accessed September 28, 2026.
Radius Choice Individual Disability Income Insurance: Side-by-Side Product Comparison, MassMutual. Accessed September 28, 2026.
3 Residual Choices: Compare Platinum Advantage Riders (19519), The Standard. Accessed September 28, 2026.
Platinum Advantage, The Standard. Accessed September 28, 2026.

The information on this page is for educational purposes and is not insurance, financial, or legal advice. Contract terms are summarized from the carrier materials listed under Sources as of September 28, 2026 and vary by state, issue date, and product version; your policy language governs. No premiums are quoted because pricing depends on age, sex, specialty, state, health class, benefit period, and riders. MedMoneyGuide has no affiliate or advertising relationships with the companies it covers.

About the Author

Joshua Dunigan, DO | Family Medicine Resident & Founder

I'm a family medicine resident physician at Broadlawns Medical Center in Des Moines, Iowa (class of 2027). I founded MedMoneyGuide to give physicians specialty-specific financial guidance, with sources you can check.