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Dr. John Oppenheimer, MD

Dr. John Oppenheimer, MD

Internal Medicine*
35+ years of experience

Dr. John Oppenheimer, MD is an internist in Cedar Knolls, NJ and has over 35 years of experience in the medical field. He graduated from Temple University in 1986. He is affiliated with medical facilities Morristown Medical Center and Overlook Medical Center. He is accepting new patients and telehealth appointments.

3.2 Star Rating
Based on 19 reviews 3.2 Star Rating (19 reviews)

Practice

8 Saddle Rd Cedar Knolls, NJ 07927
Telehealth available

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Dr. Oppenheimer's Reviews

Likelihood to recommend Dr. Oppenheimer

3.2

19 ratings, 9 with a written review
5 Star
42%
42%
4 Star
11%
11%
3 Star
5%
5%
2 Star
5%
5%
1 Star
37%
37%

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RecentHighestLowestMost Helpful
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
Peter B – May 12, 2024
Hello,Thank you for recognizing Dr. Oppenheimer. ...Read More
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What went well
  • Appointment scheduling
  • Staff friendliness
  • Wait times
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Didn't trust the provider's decisions
2 people found this helpful
Helpful
Jan 03, 2024
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What went well
  • Wait times
What could be improved
  • Didn't listen or answer questions
  • Appointment was rushed
  • Didn't trust the provider's decisions
2 people found this helpful
Helpful
Feb 15, 2022
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What went well
No results
What could be improved
No results
5 people found this helpful
Helpful
Jun 09, 2021
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What went well
  • Listened & answered questions
  • Explained conditions well
  • Trusted the provider's decisions
  • Wait times
What could be improved
  • Difficult to schedule appointment
Helpful
Mar 25, 2021
×Post a ResponseAre you Dr. John Oppenheimer, MD?
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
1 person found this helpful
Helpful
Richard L – Jul 13, 2019
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What went well
  • Appointment scheduling
  • Staff friendliness
  • Appointment wasn't rushed
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Didn't trust the provider's decisions
  • Long wait times
6 people found this helpful
Helpful
Summit, NJ – Dec 01, 2018
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What went well
No results
What could be improved
No results
3 people found this helpful
Helpful
Nov 06, 2018
×Post a ResponseAre you Dr. John Oppenheimer, MD?
What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Staff wasn't friendly
  • Didn't trust the provider's decisions
6 people found this helpful
Helpful
Mar 14, 2017
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About Me

biography

Dr. John Oppenheimer, MD is an internist in Cedar Knolls, NJ and has over 35 years of experience in the medical field. He graduated from Temple University in 1986. He is affiliated with medical facilities Morristown Medical Center and Overlook Medical Center. He is accepting new patients and telehealth appointments.
  • Internal Medicine

  • Allergy & Immunology

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

  • Temple University

    Medical School, 1986
American Board of Medical Specialties®
American Board of Allergy & Immunology®
Allergy & Immunology
American Board of Internal Medicine®
Internal Medicine
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.

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Locations

Practice

Office8 Saddle Rd Cedar Knolls, NJ 07927
1
Radiology at 1 Springfield Avenue1 Springfield Ave Summit, NJ 07901
2

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
  • Overlook Medical Center

    99 Beauvoir Ave
    Summit, NJ 07901
    Recipient of 67
    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.

    85%
    Patients said they were given information about recovering at home

    1% higher 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