Dr. John Hahn, MD

Dr. John Hahn, MD

Gastroenterology  ·  
Male  ·  
Age 58
(12)
Save
Dr. John Hahn, MD is a gastroenterology specialist in Bayonne, NJ. He graduated from Umdnj--New Jersey Medical School and specializes in gastroenterology and internal medicine.

534 Avenue E Ste 1C

Bayonne, NJ 07002

Contact Information

(201) 823-0450

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Capital District Physician's Health Plan (CDPHP)
  • Cigna
  • EmblemHealth
  • First Health (Coventry Health Care)
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • MultiPlan
  • QualCare

*Please verify this information when scheduling an appointment.

Learn about Dr. Hahn

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Hahn performs your care needs compared to other doctors.

Abdominal Disorders
very high
more than 99% of peers
Ulcer
very high
more than 99% of peers
Gastrointestinal Diseases
very high
more than 99% of peers

Dr. Hahn's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

2  Specialties

  • Gastroenterology
  • Internal Medicine

2  Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

68  Conditions Treated

Less
Read Less

6  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for New Jersey.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Umdnj--New Jersey Medical School
    Medical School | Graduated
  • UMDNJ University Hospital
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Hahn has no media or publications listed.

Languages Spoken

  • English
  • Korean

Memberships & Professional Affiliations

Dr. Hahn does not have any memberships or affiliations listed. If you are Dr. Hahn and would like to add memberships or affiliations, please update your profile.

Dr. Hahn's Reviews

3.3
Likelihood of recommending Dr. Hahn to family and friends
12 total reviews (2 have comments)

Likelihood to Recommend (12)

  • 5
    (4)
  • 4
    (4)
  • 3
    (0)
  • 2
    (0)
  • 1
    (4)

Dr. Hahn's Performance

  • Trustworthiness

    VERY GOOD
  • Explains condition(s) well

    GOOD
  • Answers questions

    GOOD
  • Time well spent

    GOOD

Office & Staff Performance

  • Scheduling

    VERY GOOD
  • Office environment

    VERY GOOD
  • Staff friendliness

    EXCELLENT
  • Average wait time

    16 to 30 minutes

Patient Comments (2)

I've been going to Hahn for 25 years. He's damn good at what he does. Not going to lie, he's very straight forward and blunt. He doesn't sugar coat, which I like in my doctors. He knows his stuff, he's been doing this for a LONG time. If he tells you not to do something after a procedure, he's...more
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This guy has a real attitude problem. I saw him a few times for about 6 months and his attitude kept changing (for the worse). He always makes you feel like it's your fault you're sick and it's your fault you're not getting better. To top it off, he rushes you when you might have more questions and...more
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