Clara Maass Medical Center: labor and delivery in Belleville, NJ

Clara Maass Medical Center is a hospital in Belleville, Essex County, New Jersey that delivers babies. It handled 1,357 deliveries in 2025. Of first-time mothers with a full-term, single, head-down baby, 31% delivered by C-section (453 such births). That is above the New Jersey rate of 26% and above the U.S. median of 26%.

Address and phone

One Clara Maass Drive
Belleville, NJ 07109
Essex County

Call (973) 450-2000 Directions

How Clara Maass Medical Center compares

Measure, 2025This hospitalNew JerseyU.S.
First-birth C-section rate31%26%26% (median)
Severe complications per 10,000 deliveries276339285
Severe complications, not counting transfusion-only cases, per 10,00061–68

Severe-complication ranking among U.S. hospitals: Middle 50%.

In New Jersey, Clara Maass Medical Center has the 40th-lowest first-birth C-section rate of 43 hospitals that report one.

The first-birth C-section rate counts first-time mothers with a full-term, single, head-down baby. Complication rates are adjusted for patient risk. Our data explains each number.

What patients say

Survey results cover all patients at the hospital, not only maternity patients.

Birthing-Friendly designation

Clara Maass Medical Center holds the federal Birthing-Friendly designation. Hospitals earn it by taking part in a perinatal quality collaborative and following maternal safety practices.

Other hospitals that deliver babies near Belleville

HospitalCityMilesFirst-birth C-section rateDeliveries, 2025Birthing-Friendly
Hackensack Meridian Mountainside MedicalMontclair2.428%1,377Yes
The University HospitalNewark3.220%1,436Yes
Newark Beth Israel Medical CenterNewark5.523%2,609Yes
St Mary's General HospitalPassaic5.548%447Yes
Cooperman Barnabas Medical CenterLivingston6.930%5,750Yes
Carepoint Health-Hoboken University Medical CenterHoboken8.0–476Yes

More in Essex County

All hospitals in Belleville · Essex County · All New Jersey hospitals