Zwanger & Pesiri Radiology Group 401(k) Plan: Login, Facts & Contact Information

Zwanger & Pesiri Radiology Group 401(k) Plan Facts

Plan name
ZWANGER & PESIRI RADIOLOGY GROUP 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
ZWANGER & PESIRI RADIOLOGY GROUP
Participants
1,472 (1,032 active employees)
Former employees with a balance
397
Plan assets
$114,294,979 at Dec 31, 2024
Average account balance
$83,917 across 1,362 accounts
Employer contributions
$2,837,097 in plan year 2024 (26% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jul 1, 1994
✓ 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 Oct 10, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $11.1 million went into the plan in contributions, $2.84 million of it from the employer (26%).
  • $6.36 million was paid out to participants.
  • Investment and other income added $14.4 million.
  • Administrative expenses were $221,447, about $163 per account.

How the Zwanger & Pesiri Radiology Group 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20191,317$73.1 million$2.89 million$4.22 million
20201,506$83.8 million$2.61 million$11.0 million
20211,414$94.3 million$2.44 million$8.11 million
20221,222$79.4 million$2.22 million$5.67 million
20231,252$95.5 million$2.61 million$7.33 million
20241,472$114.3 million$2.84 million$6.36 million

Zwanger & Pesiri Radiology Group 401(k) Contact Information

Phone
516-798-4242
Mailing address
150 EAST SUNRISE HWY, LINDENHURST NY 11757
Plan sponsor
ZWANGER & PESIRI RADIOLOGY GROUP
Employer identification number (EIN)
11-1980085
Plan number
001

Questions about the Zwanger & Pesiri Radiology Group 401(k)

Does Zwanger & Pesiri Radiology Group contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $2.84 million, 26% of all contributions.

Does the Zwanger & Pesiri Radiology Group 401(k) have automatic enrollment?

No. The plan does not report automatic enrollment; employees enroll themselves.

How many people are in the Zwanger & Pesiri Radiology Group 401(k) plan?

1,472 participants at the start of plan year 2024, 1,032 of them active employees, and 397 former employees who still had money in the plan.

What is the average 401(k) balance at Zwanger & Pesiri Radiology Group?

About $83,917 per account: $114.3 million in plan assets across 1,362 accounts with a balance at the end of plan year 2024.

Who manages the Zwanger & Pesiri Radiology Group 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Zwanger & Pesiri Radiology Group. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits 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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