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Nonprofit · EIN 45-4789273

ATLANTIC HEALTH SYSTEM INC

Also known as MEDICAL CENTER PARTNERS INC

Tax-exempt · MORRISTOWN, NJ 07960

Address and contacts

Address (IRS master file)
475 SOUTH ST, MORRISTOWN, NJ 07960-6459

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025Not on file
2023December 31, 2023May 15, 2024Not on file

At risk of automatic revocation

None of the last three returns is in the IRS public files. The IRS revokes tax-exempt status after three consecutive years without a return. Recent filings can take a few weeks to appear.

IRS record

EIN
45-4789273
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization (509(a)(3))
Donations deductible
No
Exempt since
2006
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$104,227
Income (IRS master file)
$686,778

Filing history

No e-filed return or e-Postcard in the IRS public files.

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 45-4789273).

Questions about ATLANTIC HEALTH SYSTEM INC

What is the EIN of ATLANTIC HEALTH SYSTEM INC?
The employer identification number (EIN) of ATLANTIC HEALTH SYSTEM INC is 45-4789273.
Is ATLANTIC HEALTH SYSTEM INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
Are donations to ATLANTIC HEALTH SYSTEM INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ATLANTIC HEALTH SYSTEM INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of ATLANTIC HEALTH SYSTEM INC due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ATLANTIC HEALTH SYSTEM INC last file with the IRS?
There is no e-filed return or e-Postcard for it in the IRS public files.

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