Dr. John T. Gianis, Jr., MD | Summit, NJ | Urologist

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Dr. John Gianis specializes in urology with extensive expertise treating complex prostate conditions. He earned his medical degree from Universidad Autonoma De Guadalajara Facultad De Medicina and completed his residency at University Hospital. With 45 years of clinical experience, Dr. Gianis has developed deep expertise in urological care. He is fluent in both Spanish and English.

Dr. Gianis practices at Atlantic Medical Group Urology in Summit, New Jersey, and maintains hospital privileges at Overlook Medical Center. He focuses on treating prostate cancer, including advanced and recurrent cases that require specialized care. His practice includes performing prostate-specific antigen testing and coordinating external beam radiation treatments for his patients. Patients rate Dr. Gianis 4.0 out of 5 stars for his care.

Overview based on verified provider data

accepting new patients
4

16 Ratings
45 years of experience
32 insurance plans accepted
speaks Spanish, English
University Hospital
8 written reviews
1 award
2 specialties
8 areas of expertise
1 board certification
1 hospital affiliation
1 office location
Male

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Gianis, Jr.'s Ratings and Reviews

4

16 Ratings with 8 written Reviews

Average Wait Time 11 Minutes

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Dr. Gianis, Jr.?

Patients’ Perspective

Gave an accurate diagnosis: (6) Did WellNeeds Improvement (2)
Had a good bedside manner: (7) Did WellNeeds Improvement (1)
Spent time with me: (7) Did WellNeeds Improvement (1)
Provided follow-up after the visit: (7) Did WellNeeds Improvement (1)
Flexible scheduling: (8) Did WellNeeds Improvement (0)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

16 ratings & reviews

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Showing 1 to 8 of 8 reviews

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I waited 30 minutes beyond my appointment time and was asked if I was taking the medication prescribed, I responded affirmatively and doctor's response was "see you in six months". I asked if he was providing an examination to check if my condition changed, his response: "no". End result: Medicare charge 251.00 for a 3 minute verbal discussion. Absolutely outrageous.

November 25th, 2025

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Dr. John Gianis explained my condition so that I could understand it. He has a very pleasant manner and is knowledgeable in his field. However, his office staff is very abrupt when you ask questions.

February 4th, 2020

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Exceptional doctor... listens to questions and thoroughly explains diagnosis and treatment. Highly recommended.

November 22nd, 2019

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Do not go to this doctor. If I hadn't refused and went for a second opinion he would have performed 3 unnecessary riskey surgerys on me. Lies about test results.

July 19th, 2018

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Knowledgeable, up to date on latest procedures, pleasant staff.

March 22nd, 2017

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ONE OF THE BEST DOCTORS YOU COULD EVER GO TO.

January 21st, 2016

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Dr. John Gianis is very concerned and methodical about his patients. He spent quite a bit of time explaining prostate cancer to me. He did the usual exams and a prostate biopsy on a second visit. It was a little uncomfortable, but he was careful and caring. No one wants one of these but it was necessary and he let me know the results before a long holiday weekend so I would not worry. He is a wonderful doctor in my experience. Very smart, very well-informed, and very current. I also like the fact he accepts my insurance and is affiliated with Overlook Hospital which is very good.

July 14th, 2015

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Outstanding

April 20th, 2015

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Atlantic Medical Group Urology

33 Overlook Rd Ste 301Summit, NJ 07901

Tel: (908) 522-5045


Dr. John T. Gianis, Jr., MD	Dr. Eugene Pietzak, MD	Dr. Izak Faiena, MD	Dr. Felix Cheung, MD
Urology	Urology	Urology	Urology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4 (16 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
45 Years of Experience	20 Years of Experience	16 Years of Experience	15 Years of Experience
Virtual Visit Available	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks Spanish, English	Speaks English		Speaks English, Cantonese
Summit , NJ	New York , NY	New York , NY	New York , NY
Med School: Universidad Autonoma De Guadalajara Facultad De Medicina	Med School: Stony Brook University Medical School	Med School: Albert Einstein College Of Medicine Of Yeshiva University	Med School: SUNY Downstate College of Medicine
Current Profile	View Profile	View Profile	View Profile

Search for your insurance and plan

Bladder Issues
Erectile Dysfunction (ED)
Kidney Stones
Overactive Urinary Bladder
Prostate Cancer
Prostatitis
Urologic Emergencies
Urologist

MEDICAL LICENSE

Medical Doctor, New Jersey, 2027, Active

EDUCATION & TRAINING

Residency

University Hospital

Medical School

Universidad Autonoma De Guadalajara Facultad De MedicinaGraduated in 1981

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Is Dr. John Gianis, Jr. accepting new patients?: Dr. John Gianis, Jr. is accepting new patients on Vitals. View Dr. John Gianis, Jr.'s profile on Vitals to make an appointment.
What languages does Dr. John Gianis, Jr. speak?: Dr. John Gianis, Jr. speaks Spanish and English.
Does Dr. John Gianis, Jr. accept my insurance?: You can see the insurance plans that Dr. John Gianis, Jr. accepts on their Vitals profile.
Which hospitals is Dr. John Gianis, Jr. affiliated with?: Dr. John Gianis, Jr. is affiliated with Overlook Medical Center.
Does Dr. John Gianis, Jr. accept virtual/telehealth appointments?: Yes, Dr. John Gianis, Jr. accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.

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