Short answer
Yes, Preferred Collection and Management Services is legit. It is a genuine, active third-party collection agency headquartered in Tampa, Florida, and it collects debts on behalf of the providers that hire it -- it is a real agency, not a scam. Its work is concentrated in medical and healthcare patient-responsibility balances. The single most useful first step is to confirm the exact company name and the Tampa, FL address on the letter, then treat the account as a medical bill: verify the charges against your insurance before you send any money.
Who they are (an agency, not a debt buyer)
Preferred Collection and Management Services, Inc. -- sometimes written as "Preferred CMS" -- is a contingency collection agency. It does not buy debt; it collects it for the company that originally billed you and takes a percentage of whatever it recovers. Its portfolio leans heavily toward medical and healthcare accounts. Because it works for the original creditor rather than owning the debt, a written validation request compels it to name that provider and itemize the balance -- and that is also a clean way to confirm you are dealing with the real Preferred CMS rather than a similarly named firm. Note that names in this space overlap: "Preferred Collection Services" and "Preferred Group of Tampa" are simply different companies, so match the exact name and Tampa, FL address on your paperwork before you engage.
The medical playbook: itemize, match your EOB, check the law
This is the step that saves the most money, and most people skip it. Before you negotiate or pay a medical balance, do the following in order. Request a fully itemized bill and match every single line to your insurer's Explanation of Benefits (EOB) -- errors, duplicate charges, and amounts that insurance should have adjusted are common. Check whether the No Surprises Act applies; it can bar surprise out-of-network and emergency balance bills. If the provider is a nonprofit hospital, ask about 501(r) financial-assistance and charity care, which nonprofit hospitals must offer and which can reduce or wipe out the bill before any settlement talk. Finally, dispute any duplicate lines or coding errors. Only once the balance survives all of these checks should you treat it as a real amount owed.
Your rights and validation
Preferred Collection and Management Services is a debt collector under the federal Fair Debt Collection Practices Act (FDCPA). Within 30 days of first contact you can demand written validation -- proof of the amount and the name of the original provider. Until you have that in writing, do not confirm the debt is yours and do not promise to pay: an acknowledgment or a partial payment can restart the statute-of-limitations clock on an old bill. Keep communication in writing where you can. If a medical collection is inaccurate, duplicated, or was never validated, you can dispute it with the credit bureaus to have it corrected or removed.
If you're sued -- and how to settle
Never ignore a summons. An agency's file can be handed to a law firm, and a missed deadline can become a default judgment, so answer on time to preserve your defenses. Absent a lawsuit, a genuinely owed balance that has survived the checks above is often negotiable. Settle in writing before you send any money, and keep the signed agreement showing the account is resolved and any remaining balance is waived. Remember that if more than $600 of debt is forgiven, you may receive a 1099-C and the forgiven amount can count as taxable income. Stay alert to impostor red flags: real agencies work through letters and traceable payments -- not gift cards, wire transfers, crypto, threats of arrest, or a refusal to put anything in writing.
This page is general information, not legal or tax advice. Your rights and timelines vary by state; consider consulting a qualified attorney, a nonprofit credit counselor, or legal aid.