Thundermist Health Center 401(k) Plan: Login, Facts & Contact Information

Thundermist Health Center 401(k) Plan Facts

Plan name
403(B) THRIFT PLAN FOR EMPLOYEES OF THUNDERMIST HEALTH CENTER
Plan type
401(k) and profit sharing
Plan sponsor
THUNDERMIST HEALTH CENTER
Participants
1,180 (801 active employees)
Former employees with a balance
299
Plan assets
$52,922,475 at Dec 31, 2024
Average account balance
$49,002 across 1,080 accounts
Employer contributions
$2,177,499 in plan year 2024 (30% of all contributions)
Recordkeeper
Mutual Of America Investment Corp
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jun 1, 2007
— Employer contributions✓ Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments— Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Jul 31, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $7.28 million went into the plan in contributions, $2.18 million of it from the employer (30%).
  • $3.85 million was paid out to participants.
  • Investment and other income added $6.20 million.
  • Administrative expenses were $16,315, about $15 per account.

How the Thundermist Health Center 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019549$21.8 million$1.08 million$1.07 million
2020620$27.9 million$1.29 million$855,371
2021698$35.3 million$1.48 million$1.49 million
2022898$33.3 million$1.74 million$1.29 million
20231,051$43.3 million$2.06 million$1.93 million
20241,180$52.9 million$2.18 million$3.85 million

Thundermist Health Center 401(k) Contact Information

Phone
401-767-4100
Mailing address
171 SERVICE AVE FL 2, WARWICK RI 028861015
Plan sponsor
THUNDERMIST HEALTH CENTER
Employer identification number (EIN)
05-0355097
Plan number
002

Questions about the Thundermist Health Center 401(k)

Does Thundermist Health Center contribute to the 401(k)?

The plan does not report an employer matching arrangement on its Form 5500. It did report $2.18 million in employer contributions for plan year 2024.

Does the Thundermist Health Center 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Thundermist Health Center 401(k) plan?

1,180 participants at the start of plan year 2024, 801 of them active employees, and 299 former employees who still had money in the plan.

What is the average 401(k) balance at Thundermist Health Center?

About $49,002 per account: $52.9 million in plan assets across 1,080 accounts with a balance at the end of plan year 2024.

Who manages the Thundermist Health Center 401(k) accounts?

Mutual of America (listed on the filing as MUTUAL OF AMERICA INVESTMENT CORP) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Thundermist Health Center. How do I access my 401(k)?

Your account stays with Mutual of America after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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