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Dr. Gregg Zimmerman, MD

Dr. Gregg Zimmerman, MD

Urology*
20+ years of experience

Dr. Gregg Zimmerman, MD is a urologist in Denville, NJ and has over 20 years of experience in the medical field. Dr. Zimmerman has extensive experience in Urinary Conditions, Male Reproductive Disorders & Procedures, and Urinary Calculi & Removal. He graduated from Stony Brook University Renaissance School of Medicine in 2000. He is affiliated with medical facilities such as Saint Clare's Denville Hospital and Morristown Medical Center. He is accepting new patients and telehealth appointments.

4.6 Star Rating
Based on 68 reviews 4.6 Star Rating (68 reviews)

Practice

23 Pocono Rd Ste 100 Denville, NJ 07834
Telehealth available

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Dr. Zimmerman is a Healthgrades Choice provider in Urology

The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology

  • Above average experience
  • Good hospital quality
  • Good patient ratings
  • No healthcare sanctions

Experience Check

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Dr. Zimmerman's Reviews

Likelihood to recommend Dr. Zimmerman

4.6

68 ratings, 46 with a written review
5 Star
88%
88%
4 Star
0%
0%
3 Star
3%
3%
2 Star
0%
0%
1 Star
9%
9%

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RecentHighestLowestMost Helpful
What went well
  • I felt respected
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Kathy K. – Mar 21, 2025
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What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Marine – Jan 28, 2025
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What went well
No results
What could be improved
No results
2 people found this helpful
Helpful
Edward Maurer – Mar 20, 2024
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What went well
  • I felt respected
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
KA – Dec 09, 2023
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What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Nov 16, 2023
×Post a ResponseAre you Dr. Gregg Zimmerman, MD?
What went well
  • I felt respected
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Russell Segreto – Sep 12, 2023
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What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Andy & Andrea – Jul 05, 2023
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What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Jul 03, 2023
×Post a ResponseAre you Dr. Gregg Zimmerman, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Jul 03, 2023
×Post a ResponseAre you Dr. Gregg Zimmerman, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
May 15, 2023
×Post a ResponseAre you Dr. Gregg Zimmerman, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Apr 13, 2023
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What went well
No results
What could be improved
No results
2 people found this helpful
Helpful
J Dunham – Mar 31, 2022
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Mar 19, 2022
×Post a ResponseAre you Dr. Gregg Zimmerman, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Jamie – Mar 18, 2022
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Mar 15, 2022
×Post a ResponseAre you Dr. Gregg Zimmerman, MD?
What went well
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Trusted the provider's decisions
What could be improved
  • Long wait times
Helpful
Pete Smith – Mar 15, 2022
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
John Pulizotto – Feb 27, 2022
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Jan 06, 2022
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What went well
No results
What could be improved
No results
Helpful
Carl Hensal – Jan 06, 2022
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Jan 04, 2022
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Leave a review

How was your experience with Dr. Zimmerman?

About Me

care philosophy

My mission is to educate my patients about their medical conditions and treatment options so they are fully prepared to make well-informed decisions regarding their healthcare. I treat my patients as if they are part of my own family.

biography

Dr. Zimmerman performed the first single-site laparoscopic nephrectomy in the State of New Jersey.Dr. Zimmerman was nominated as 2013 Patient's Choice Award Most Compassionate Doctor through Vitals.Dr. Zimmerman is Director of Robotic Surgery at...read more
  • Urology

  • Urologic Oncology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • University Of Florida

    Residency Hospital
  • Roswell Park Cancer Institute - Urologic Oncology And Robotic Surgery

    Fellowship Hospital, 2006
  • Stony Brook University Renaissance School Of Medicine

    Medical School, 2000
  • Binghamton University, Binghamton New York

    Undergraduate School, 1994
American Board of Medical Specialties®
American Board of Urology®
Urology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
  • English

  • Spanish

Dr. Zimmerman is a Healthgrades Choice provider in Urology

    Read our methodology

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    Locations

    Practice

    Garden State Urology LLC23 Pocono Rd Ste 100 Denville, NJ 07834
    1

    Practice

    Morris Urology PC16 Pocono Rd Ste 205 Denville, NJ 07834
    2
    Saint Clare's Hospital400 W Blackwell St Dover, NJ 07801
    3

    Practice

    Mather Hospital75 N Country Rd Port Jefferson, NY 11777
    4

    Affiliated Hospitals

    • Morristown Medical Center

      100 Madison Ave
      Morristown, NJ 07960
      Recipient of 55
      hospital awards

      America's 100 Best Hospitals Award™ (2025, 2024, 2023)

      Top 1% in the nation for providing the highest clinical quality year over year

      America's 250 Best Hospitals Award™ (2025, 2024, 2023)

      Top 1% in the nation for providing the highest clinical quality year over year

      View all awards

      How patients felt about the care they received at this hospital.

      87%
      Patients said they were given information about recovering at home

      3% higher than the national average

      80%
      Patients would recommend the hospital to friends and family

      15% higher than the national average

      View all patient feedback
    • Saint Clare's Denville Hospital

      25 Pocono Rd
      Denville, NJ 07834
      Recipient of 6
      hospital awards

      Patient Safety Excellence Award™ (2023)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

      How patients felt about the care they received at this hospital.

      86%
      Patients said they were given information about recovering at home

      2% higher than the national average

      74%
      Patients said that doctors always listened to them and explained things well

      2% lower than the national average

      View all patient feedback
    • University Hospital

      150 Bergen St
      Newark, NJ 07103

      How patients felt about the care they received at this hospital.

      79%
      Patients said they were given information about recovering at home

      5% lower than the national average

      75%
      Patients said that doctors always listened to them and explained things well

      1% lower than the national average

      View all patient feedback
    Learn more about how Healthgrades measures Hospital Quality