Sponsored by BRS Backyard Bug Busters
Dr. James W. Mahon, MD is a doctor in Newfoundland. Open: Mon–Fri 2:00 – 6:00 PM; Sat–Sun Closed. Phone: (973) 835-5556. Average rating is 5.0 stars from 3 reviews.
Dr. James W. Mahon, MD
Call Now Directions
Review
Dr. James W. Mahon, MD — Professional Building, 7 Oak Ridge Rd, Newfoundland, NJ 07435, USA
5.0 3 reviews Today 2:00 – 6:00 PM

Trusted Care, Unhurried Attention, Real Results

Dr. James W. Mahon brings patient-first medicine to families across Newfoundland and the Highlands of NJ.

About Us

Some doctors rush you out the door in eight minutes. Dr. James W. Mahon does the opposite. At his practice inside the Professional Building on Oak Ridge Road, appointments run at a human pace. Parents leave knowing exactly what is going on with their child, because he takes the time to explain it. That combination of genuine listening and clear communication has earned him a perfect five-star reputation from every patient who has reviewed him.

Dr. Mahon has built a reputation as a physician who stays calm under pressure. He does not reflexively order batteries of tests, but he is careful and thorough when caution is warranted. Patients trust that distinction, and it shows in the loyalty families bring to this practice year after year.

Located in Newfoundland, NJ 07435, the practice serves the quiet communities of the Highlands region, from Oak Ridge to Kinnelon and beyond. If you are searching for a doctor who treats patients as people rather than appointments on a schedule, this is the right practice.

What We Offer

Dr. Mahon offers comprehensive primary care for children and families, with a focus on preventive health, routine checkups, and managing ongoing conditions. His approach means you get a real conversation at every visit, not a clipboard handoff and a rushed goodbye.

Pediatric care is a particular strength. Parents consistently note how comfortable their kids feel, and how thoroughly Dr. Mahon addresses their concerns without unnecessary alarm. From well-child visits and immunizations to diagnosing illnesses and monitoring development, the practice covers the full arc of a child's health needs.

Adult primary care, chronic disease management, and sick visits round out the practice. The staff keeps the schedule tight enough that wait times stay reasonable, while still leaving room for the kind of unhurried appointment that actually helps people.

Why Choose Us

Perfect 5.0 rating across every review, a rare achievement for any medical practice.
Appointments run on time without the rushed, assembly-line feeling common elsewhere.
Dr. Mahon listens first and tests second, ordering diagnostics only when genuinely needed.
Parents consistently report that he explains diagnoses clearly, leaving no questions unanswered.
Conveniently located in the Professional Building on Oak Ridge Road in Newfoundland, NJ.
A calm, reassuring manner that puts both children and anxious adults at ease from the first visit.

What Our Customers Say

Don't just take our word for it - hear from our satisfied customers

Click to Rate & Review This Business ✍️
⭐⭐⭐⭐⭐
3 years ago
"Dr Mahon is the best. He's great with my kids, he's a good listener, he doesn't panic or run a million tests but he is cautious. Overall a pleasant person and a good doctor. I trust him 100%."
— Jennifer Steeber
⭐⭐⭐⭐⭐
8 years ago
"Dr Mahon and his staff are just fantastic. Timely with appountments, yet we never feel rushed. The doctor takes time to chat and explain things to the parents. I really appreciate this practice (both Wayne and Oak Ridge). Best Pediatrician in the area!!"
— Marilee Glass
⭐⭐⭐⭐⭐
2 years ago
— Janelle Brower-Galfo

Frequently Asked Questions

Is Dr. Mahon accepting new patients?

Contact the practice directly at the Professional Building, 7 Oak Ridge Rd, Newfoundland, NJ 07435 to ask about current availability. Patient volume can change, so calling ahead is the best approach.

Does Dr. Mahon see children as well as adults?

Yes. Pediatric care is one of his strengths. Multiple patient reviews specifically highlight how well he connects with children and how thoroughly he communicates with parents during visits.

What can I expect at a typical appointment?

Patients consistently describe appointments that start on time and feel unhurried. Dr. Mahon takes time to listen, explain his thinking, and answer questions before you leave.

Does Dr. Mahon order a lot of tests?

His philosophy is measured and deliberate. He does not run tests reflexively, but he is appropriately cautious when a situation warrants closer investigation. Patients appreciate this balanced approach.

Where is the practice located?

The office is at 7 Oak Ridge Road inside the Professional Building in Newfoundland, NJ 07435, serving families from Oak Ridge, Kinnelon, West Milford, and surrounding Highlands communities.

What insurance plans does the practice accept?

Insurance participation can change. Contact the office directly to confirm whether your plan is accepted before scheduling your first appointment.

How do I schedule an appointment?

Call the practice at the Professional Building on Oak Ridge Road in Newfoundland. Staff are known for being friendly and efficient, so scheduling is typically a straightforward process.

Hours of Operation

Closed · Opens Wednesday at 2:00
Monday 2:00 – 6:00 PM
Tuesday Today 2:00 – 6:00 PM
Wednesday 2:00 – 6:00 PM
Thursday 2:00 – 6:00 PM
Friday 2:00 – 6:00 PM
Saturday Closed
Sunday Closed
80° Clear Newfoundland
Tue 88° 67°
Wed 94° 73°
Thu 90° 70°
Fri 84° 62°
Sat 68° 63°
Sun 79° 64°
Mon 82° 65°

Get In Touch

Ready to get started? Contact us today!

Save to Contacts

More places nearby

Other spots near here, whatever their type. Tap one to open its page.

Medical Clinic ★ 4.3 (287)
NJ Doctors Urgent Care - Pompton Plains
11 mi620 NJ-23, Pompton Plains, NJ 07444
Medical Clinic ★ 3.6 (252)
CityMD Butler Urgent Care- New Jersey
7.5 mi1224 NJ-23, Butler, NJ 07405
Medical Clinic ★ 4.8 (374)
Skylands Medical Group - Oak Ridge
3.0 miJEFFERSON PROFESSIONAL BUILDING, 5678 Berkshire Valley Rd, Oak Ridge, NJ 07438
Amusement Center ★ 4.6 (177)
Fairy Tale Forest
0.6 mi140 Oak Ridge Rd, Oak Ridge
Restaurant ★ 4.5 (273)
Guisseppe's Restaurant
0.2 mi62 Oak Ridge Rd, Newfoundland

Contact Dr. James W. Mahon, MD

Send a note and Dr. James W. Mahon, MD will get back to you. No account needed.

Add an email or a phone so they can reply.

Best time to reach you

Report an issue

See something off? Tell us. We’ll fix it and improve the listing for everyone. No account required.