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K-1 Employer Guide

Radiology Partners and Rollover Equity Taxes

The rollover equity model in its purest form: wages for the reads, a partnership stake for the enterprise, and a K-1 that needs watching in profitable years.

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K-1 & Partnership Taxes>Radiology Partners

Written by Bryan Martin, CPA, Managing Partner and Founder of Taxstra. Last updated August 20, 2026.

Quick answer

Radiologists whose practices joined Radiology Partners commonly hold rollover equity, and physicians collectively hold a leading ownership block in the enterprise. Partnership-taxed rollover vehicles issue annual K-1s that can allocate income without matching cash, create state filing obligations, and concentrate tax at recapitalizations. Equity documents govern individual treatment.

Radiology consolidated faster than almost any specialty, and the deals ran on a common template: practices joined a platform, radiologists rolled part of their sale proceeds into equity of the enterprise, and clinical work continued on wages. At Radiology Partners, industry reporting has physicians collectively holding one of the largest ownership blocks alongside institutional investors.

Structures vary by deal vintage, market, and cohort, and platforms restructure; your equity documents govern, not this page. What follows is the tax anatomy of the rollover model those documents typically describe.

The Rollover Equity Model

Part of your practice sale, still working, still reportable.

A rollover happens on sale day: instead of taking the full price in cash, selling physicians exchange part of it for equity in the buyer's structure, usually deferring tax on the rolled portion. From that day forward you hold an investment that reports annually, on a K-1 if the vehicle is partnership-taxed, and your stake is tracked by basis like any partnership interest. The sale-day decisions themselves are covered in our practice sale guide.

You became two taxpayers on sale day
A wage earner for your reads, and a partnership investor for your rollover. The wage stream is simple. The investor stream carries the K-1, the state schedules, and the exit events, and it is the stream that goes wrong when nobody is watching it.

Living With the Annual K-1

Allocations, cash, and the phantom income pattern.

Platform holding companies often retain earnings for debt service and acquisitions, so a profitable year can allocate income to your K-1 with little cash behind it: the phantom income pattern. Well-drafted equity documents include tax distribution clauses that send holders enough cash to cover allocated tax; reading whether yours does is worth an hour of anyone's time. Equity K-1 income for a wage-earning radiologist is typically investment-type income outside self-employment tax, but it still needs quarterly estimates in active years.

Watch Out

The K-1 arrives late. Plan for it.

Large multi-state holding entities routinely issue K-1s near or after the personal filing deadline, which means extensions become normal life for rollover holders. An extension is not an audit flag and not a payment holiday: the estimate math still has to be done by April with the K-1 estimated.

Recapitalizations and Exits

Where rollover equity finally converts, at whatever tax cost was drafted.

Platforms refinance, recapitalize, and eventually trade. For holders, each event lands somewhere on a spectrum from fully taxable exchange to fully deferred rollover into the next structure, usually with cash and rolled components mixed. The election paperwork that accompanies these events allocates real dollars; signing it unread converts drafting choices into your tax bill.

Taxstra CPA Tip
Keep a one-page equity file: what you hold, your basis, each year's K-1, and every amendment. When the next recapitalization letter arrives with a two-week deadline, the physicians with a current file get advice; the ones without one get whatever the default election was.

Holding Rollover Equity From a Practice Sale?

The annual K-1, the state schedules, and the next recapitalization all reward professional attention. A Taxstra CPA can take the whole picture over. The initial consultation is free.

Frequently Asked Questions

Radiologists whose practices joined the platform commonly hold rollover equity in the enterprise, and physicians collectively hold one of its largest ownership blocks. Whether that equity issues a K-1 depends on the holding vehicle's tax classification. Clinical compensation typically runs separately as wages. Your rollover and equity documents give the definitive answer.

Plan the Equity Events Before They Happen

Rollover equity taxes are foreseeable years in advance for anyone who reads the documents. Book a free initial consultation with a Taxstra CPA.

Next Steps

Filing it yourself is fine. Optimizing it is where the money is.

Getting the form right keeps you out of trouble. The strategies below are what actually lower the bill.

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