Find an old Mass General Brigham 401(k)
Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations
Mass General Brigham Incorporated · Plan 500 · EIN 04-3230035 · Somerville, MA
| Plan administrator | Mass General Brigham Incorporated 399 Revolution Drive, Suite 245, Somerville, MA 02145 | Form 5500 ↗ |
| Recordkeeper (who holds the accounts) | Fidelity Investments Institutional | Schedule C ↗ |
| Former employees with balances | 4,511 separated participants still had money in the plan | Form 5500 ↗ |
Consolidated 403(b) Program of Mass General Brigham and Member Organizations
Mass General Brigham Incorporated · Plan 010 · EIN 04-3230035 · Somerville, MA
| Plan administrator | Mass General Brigham Incorporated 399 Revolution Drive, Suite 245, Somerville, MA 02145 | Form 5500 ↗ |
| Recordkeeper (who holds the accounts) | Fidelity Investments | Schedule C ↗ |
| Former employees with balances | 59,054 separated participants still had money in the plan | Form 5500 ↗ |
Consolidated Cash Balance Program of Mass General Brigham and Member Organizations
Mass General Brigham Incorporated · Plan 499 · EIN 04-3230035 · Somerville, MA
| Plan administrator | Mass General Brigham Incorporated 399 Revolution Drive, Suite 245, Somerville, MA 02145 | Form 5500 ↗ |
| Recordkeeper (who holds the accounts) | Alight Solutions LLC | Schedule C ↗ |
| Former employees with balances | 21,974 separated participants still had money in the plan | Form 5500 ↗ |
Mass General Brigham 401(k) match, vesting and fees →
Found it? Your options
| Leave it | Often allowed if your balance is over $7,000. You keep the plan's investments and fees. |
| Move it to your new job's plan | If the new plan accepts roll-ins. Ask the new plan's recordkeeper. |
| Roll it into an IRA | More investment choices, and you control it. A direct rollover avoids withholding and penalties. |
| Cash out | Usually taxed, plus a 10% penalty if you are under 59½. |
General information, not financial or tax advice. Rules depend on your plan and situation.
How to track down the account
- Call the plan administrator or recordkeeper listed on the filing. Have your name, Social Security number and dates of employment ready.
- If the plan terminated, ask the administrator where balances went (another plan, an IRA provider, or a state unclaimed-property office).
- Over 65? Also check the Department of Labor's Retirement Savings Lost and Found database.
Common questions
How do I find my old Mass General Brigham 401(k)?
Contact the plan administrator listed on the plan's Form 5500 filing: Mass General Brigham Incorporated, (833) 275-6947. The accounts are held by the recordkeeper, Fidelity Investments Institutional. Have your Social Security number and dates of employment ready.
What is the Mass General Brigham 401(k) phone number?
The plan administrator phone number on the plan year 2024 filing is (833) 275-6947.
Contacts are as filed on each plan's latest Form 5500 and may be out of date. PlanFacts is not affiliated with Mass General Brigham and does not hold accounts. Not financial advice. Report a correction