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Mary Eliza Mahoney Health Center @110 William Street — Newark, NJ

Mary Eliza Mahoney Health Center @110 William Street is a community health center clinic at 110 William St, Newark, NJ 07102, open 44 hours a week. The typical New Jersey clinic is open 50 hours a week. It is run by City of Newark, which serves 11,288 patients across 2 clinic locations.

Address: 110 William St, Newark, NJ 07102 · Directions
Phone: (973) 733-7600
Weekly hours: 44 (New Jersey clinic median: 50)
Operated by: City of Newark (federally qualified health center)
Care offered by this health center: primary care, dental care, mental health care, children’s checkups, women’s health, and telehealth

Fees are on a sliding scale. What you pay at Mary Eliza Mahoney Health Center @110 William Street depends on your income and household size, and the clinic bills Medicaid, Medicare and private insurance. Care is not free, and every patient is seen regardless of ability to pay. Among City of Newark patients, 51% are uninsured, 35% have Medicaid or CHIP, 3% have Medicare and 11% have private insurance. Call (973) 733-7600 to book and ask about your plan. How sliding-fee pricing works.

Care and screenings at City of Newark

Patients came to City of Newark for these services in 2025. The numbers cover the whole health center, not only this clinic.

Service	Patients	What it counts
Dental care	2,288	patients had dental exams
Mental health care	755	patients treated for depression or anxiety
Well-child visits	1,915	children had checkups
Flu shots	2,352	patients vaccinated
Cervical cancer screening	777	patients tested
Breast cancer screening	823	patients screened
Family planning	133	patients served
Diabetes care	753	patients with diabetes
Blood pressure care	1,490	patients with hypertension
Asthma care	175	patients with asthma
HIV testing	2,671	patients tested
Hepatitis C testing	716	patients tested
Childhood lead tests	646	children tested

City of Newark also provides care by telehealth.

Who City of Newark serves

11,288 patients used City of Newark in 2025. 68% live at or below the poverty line and 91% are at or below twice the poverty line. 1,901 patients were experiencing homelessness and 16 were veterans.

Measure	This center	NJ median	U.S. median	vs NJ
Patients at or below the poverty line	68%	68%	65%	−1 pts
Patients at or below 200% of the poverty line	91%	95%	92%	−4 pts

Measure	This center	NJ median	U.S. median	vs NJ
Uninsured patients	51%	28%	14%	+23 pts
Medicaid or CHIP patients	35%	51%	42%	−16 pts
Medicare patients	3%	6%	11%	−2 pts
Privately insured patients	11%	16%	24%	−5 pts

Quality of care at City of Newark

City of Newark is at or above the New Jersey median on 2 of 7 preventive-care measures. Higher is better on every line.

Measure	This center	NJ median	U.S. median	vs NJ
Adults with high blood pressure under control	61%	61%	68%	In line
Women 52–74 screened for breast cancer	38%	42%	54%	−4 pts
Women 24–64 screened for cervical cancer	33%	58%	54%	−25 pts
Adults 46–75 screened for colorectal cancer	36%	36%	44%	−1 pts
Patients 12+ screened for depression	64%	80%	77%	−16 pts
Adults assessed for tobacco use	70%	85%	86%	−15 pts
High-risk adults on statin therapy	81%	79%	79%	+2 pts

Staffing at City of Newark

The health center employs 132 full-time-equivalent staff, including 13 physicians, nurse practitioners, physician assistants and midwives, 10 dental staff and 2 mental health staff. That is 839 patients per clinical provider against the New Jersey median of 1,113 and the U.S. median of 930. Patients made 38,749 visits, about 3.4 per patient.

Patients from ZIP 07102

529 City of Newark patients live in ZIP 07102, and 37% of them are uninsured. Other health centers also serve this ZIP:

Newark Community Health Centers, Inc. — 616 patients from 07102
Saint James Health Inc. — 278 patients from 07102
Central Jersey Medical Center Inc. — 197 patients from 07102

Community health centers near Mary Eliza Mahoney Health Center @110 William Street

More City of Newark locations