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Dr. Joanna Denis, MD

Dr. Joanna Denis, MD

Internal Medicine*
30+ years of experience

Dr. Joanna Denis, MD is an internist in Parsippany, NJ and has over 30 years of experience in the medical field. She graduated from ACADEMY OF MEDICINE LUDWIKA RYDGIERA in 1990. She is affiliated with medical facilities Bayshore Medical Center and Saint Clare's Denville Hospital. She is accepting new patients.

2.5 Star Rating
Based on 22 reviews 2.5 Star Rating (22 reviews)

Practice

415 Parsippany Rd Parsippany, NJ 07054

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Dr. Denis' Reviews

Likelihood to recommend Dr. Denis

2.5
22 ratings, 4 with a written review
5 star
27%
27%
4 star
5%
5%
3 star
0%
0%
2 star
23%
23%
1 star
45%
45%

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The doctor doesn't listen. You'll spend a half hour in the waiting room, another hour in a room waiting, and the walls are paper thin so you can hear everything she says to every patient in the place - zero privacy. I asked repeatedly to have tests done and was denied. Asked to change my medications as they weren't helping and was told to "give it more time" even though it had been over a year. My final straw was having to call 4 times to get blood work results...and being told "everything looks fine" (it didn't - i had looked it up online and had several things I wanted to go over) and to make an appointment if I had concerns...oh but they were dropping my insurance so I'd have to pay out of pocket. To discuss blood work results. Don't go to this doctor. You'll get sicker just waiting for someone to answer the phone.
What went well
No results
What could be improved
  • Office environment
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
2 others found this helpful
Helpful
Jan 02, 2024
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she is very through, and tracks medical history very well.
What went well
  • Office environment
  • Listened & answered questions
  • Staff friendliness
  • Appointment wasn't rushed
What could be improved
No results
Helpful
John McDevitt – Feb 28, 2021
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Went back 3 times for the same thing after antibiotics didn’t work, she refused to call in antibiotics and made me come in even though there was nothing to see and she knew the issue. Scheduled me for an 8:30 am appointment, even though they weren’t open yet, waited until 9am and then left. Incredibly inconsiderate and unprofessional.
What went well
No results
What could be improved
No results
3 others found this helpful
Helpful
May 16, 2019
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I was ill and made an appointment with the lovely, Jessica on 12/4/17. My appointment time was 11:30 and I sat in the room waiting for the doctor, while I could hear her engaged in a heated vulgar argument for 10+ mins with her husband. Not only was I waiting but an elderly gentleman, too. When she finally entered the room, I asked if her energy was good and did she value her patient she replied, “No,” and walked out the room. This was my doc for a year. Please stay away from this rude doctor!!!
What went well
  • Staff friendliness
What could be improved
  • Office environment
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
11 others found this helpful
Helpful
Vanessa in Parlin, NJ – Dec 05, 2017
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About Me

biography

Dr. Joanna Denis, MD is an internist in Parsippany, NJ and has over 30 years of experience in the medical field. She graduated from ACADEMY OF MEDICINE LUDWIKA RYDGIERA in 1990. She is affiliated with medical facilities Bayshore Medical Center and Saint Clare's Denville Hospital. She is accepting new patients.
  • Internal Medicine

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

  • Academy Of Medicine Ludwika Rydgiera

    Medical School, 1990
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

  • French

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Locations

Practice

Donald Kanoff415 Parsippany Rd Parsippany, NJ 07054
1

Affiliated Hospitals

  • Bayshore Medical Center

    727 N Beers St
    Holmdel, NJ 07733
    Recipient of 14
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024, 2023)

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

    America's 250 Best Hospitals 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.

    82%
    Patients said they were given information about recovering at home

    2% lower than the national average

    79%
    Patients said that nurses always listened to them and explained things well

    4% 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
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