Massachusetts Seniors Lose In-Network Primary Care on October 1. That Is Also One of Only Four Days a Year a Participating Physician Can Opt Out of Medicare.

Industry News by DPC Insider — Policy Desk
#Medicare Advantage#Massachusetts#primary care access#Medicare opt-out#network adequacy#direct primary care
Sources: 2,500 Medicare Advantage patients may lose Cooley Dickinson primary care coverage Oct. 1 — Greenfield Recorder, August 14, 2026 · Medicare Advantage Change — Mass General Brigham · MGB leaving some Medicare Advantage primary care networks, affecting 19,000 patients — The Boston Globe, October 1, 2025 · Opting Out of Medicare — Direct Primary Care Frontier · Opt-Out Period, Renewal, and Cancellation — Noridian Medicare · 42 CFR 422.62 — Election of coverage under an MA plan

About 2,500 people in western Massachusetts will wake up on October 1 without an in-network primary care doctor. Their coverage stays active. Their doctor stays in the building. The hospital’s primary care providers drop out of two Blue Cross Medicare Advantage networks, and the patients are what falls out of the deal.

October 1 is also one of only four dates in the year when a physician who currently participates in Medicare can become an opted-out physician. Anyone who wanted that status by October 1 had to get an affidavit to their Medicare Administrative Contractor roughly thirty days ahead, which put the deadline in the first days of September.

Two things landing on the same square of the calendar. Almost none of the 2,500 will get anything out of the second one.

What October 1 actually does

Primary care providers affiliated with Cooley Dickinson, a Mass General Brigham member hospital in Northampton, leave Blue Cross’ Medicare Advantage HMO and PPO networks on October 1, according to MGB’s own patient notice. Specialty and hospital care at Cooley Dickinson stays in network for those same plans. The Greenfield Recorder reported the local count: roughly 2,500 area residents on Blue Cross Medicare Advantage plans, with HMO members losing primary care coverage outright and PPO members able to keep their doctors at higher cost sharing.

There is a 90-day continuity of care window through December 31 for patients who are approved for it, so the immediate cliff is softened. For anyone the bridge does not cover, that is three months of paying for a plan that no longer covers the doctor they picked it for.

What patients do not get is a switch on their own schedule. Medicare provides a special election period for people hit by a significant provider network change, but it opens only when CMS treats the change as significant and instructs the plan to notify the enrollee, and it runs the month of that notice plus two. The date anyone can actually plan around is annual enrollment, which runs October 15 through December 7 for 2027 coverage and takes effect January 1.

Blue Cross put the decision on the provider side. “It really was their decision,” spokesperson Kelsey Pearse told the Recorder. In a written holding statement, the insurer said it had been notified by the Cooley Dickinson Physician Hospital Organization that a restructuring of business operations was ending the hospital’s participation.

State Sen. Jo Comerford was blunter about the outcome. “We cannot have large numbers of patients without access to primary care,” she said.

The second wave in nine months

Last October, Mass General Brigham pulled primary care out of Medicare Advantage networks run by UnitedHealthcare and Blue Cross, effective January 1, 2026. The Boston Globe counted nearly 19,000 affected patients, about 15,600 with UnitedHealthcare and 3,200 with Blue Cross. Specialty and hospital care stayed in network. Primary care was the piece that got cut.

Cooley Dickinson was carved out of that round for UnitedHealthcare members and keeps its UnitedHealthcare relationship now. It goes in this round on the Blue Cross side instead.

The system doing the cutting has a primary care supply problem of its own. The Globe reported that more than 15,000 MGB patients already lacked an assigned physician, a result of retirements and departures. A health system that cannot staff primary care is also shrinking the set of insurance products under which its primary care is affordable.

Why DPC does not absorb these patients

Direct primary care is the obvious candidate for a gap like this one, and Medicare is where it runs into a wall.

A physician who participates in Medicare cannot charge a Medicare beneficiary a membership fee for services Medicare already covers. Taking that patient under a private agreement means formally opting out of Medicare. That is a filing with the regional Medicare Administrative Contractor, and for a participating physician the effective date is the start of a calendar quarter: January 1, April 1, July 1 or October 1, with the affidavit in at least thirty days beforehand.

The commitment is sticky. Opt-out runs in two-year periods that renew automatically unless the physician files a written cancellation at least thirty days before the period ends. DPC Frontier’s Philip Eskew describes the practical effect as opted out until revoked, with revocation possible only inside those rolling windows.

Then there is the paperwork per patient. An opted-out physician needs a separate private contract with each Medicare beneficiary, and neither party can submit a claim to Medicare for anything the contract covers. Eskew is direct about what Medicare Advantage plans do with those invoices. Reimbursement is uncertain, and a plan may want to see a denied Medicare fee-for-service claim that, by definition, cannot exist.

So for a 74-year-old in Northampton who is about to lose her in-network PCP, DPC is available in the narrow sense that she can pay a monthly fee out of pocket and run it alongside a plan that may not reimburse it. Membership pricing varies by practice and location.

What Changes Tomorrow

For the affected patients, nothing until October 1, then a 90-day bridge, then a January 1 reset. Some of them may get a special election period sooner, but only if CMS treats this as a significant network change and Blue Cross sends the notice. Everyone else acts between October 15 and December 7, or starts the year on a plan whose primary care network no longer includes their doctor.

For physicians in western Massachusetts who have been running the numbers on a direct practice, the affidavit for an October 1 opt-out is due September 1, three days after this publishes. Miss it and the next effective date is January 1, which puts the affidavit due in early December. That lands in the same weeks 2,500 households are finding out what their new coverage actually bought them.