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John R Gandionco, MD
About ProfilePoints™
6 Patient Reviews
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Office Hours

  • Mon:8:00am - 7:00pm
  • Tue:7:00am - 4:00pm
  • Wed:7:30am - 5:00pm
  • Thu:8:00am - 5:00pm
  • Fri:8:00am - 3:00pm

John R Gandionco, MD

Internal Medicine Physician - General

Highlights

  • Board Certified

Biography

Why I chose to pursue a career in healthcare:To help people obtain the health and well-being they want in order to pursue the lifestyle they want to leadWhat I want my patients to know about me:I want… Read more ›

Featured Review See More Reviews

Very respectful, very understanding, very kind!…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
SUNY @ Stony BrookBachelors DegreeOther1988
SUNY @ Downstate Medical CenterDoctorateOther1992

InstitutionFocusYear
Internship - Winthrop University HospitalInternal Medicine1993
Residency - Winthrop University HospitalInternal Medicine1995

CertificationCert. BodyYear
Internal medicineInternal MedicineNot Specified

Photos

Provider Profile 0Provider Profile 1

Specialties

Languages Spoken
English, Spanish
Medical Specialties
  • Internal Medicine Physician

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 4.9
Number of Reviews: 6
Most Recent Review: 01/16/2026
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Office & Staff Evaluation Not rated

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
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Verified Patient

“Very respectful, very understand...”

Very respectful, very understanding, very kind!

Anonymous 01/16/2026
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Verified Patient

“Dr was very attentive to my ques...”

Dr was very attentive to my questions or concerns.

Anonymous 09/12/2025
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Verified Patient

“Excellent....”

Excellent.

Anonymous 08/13/2025
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Verified Patient

“No further comments....”

No further comments.

Anonymous 09/12/2025
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Verified Patient

“Dr. Gandionco is a great doctor!...”

Dr. Gandionco is a great doctor!

Anonymous 08/15/2025
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Verified Patient

“Dr Gandionco is great he takes h...”

Dr Gandionco is great he takes his time with you and he listens to you.

Anonymous 05/24/2025

Locations

Affiliated Practices

Practice Colleagues

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Rajesh Nallapati, MD, MBBS   -   Internal Medicine Physician
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Patricia Margetas, DO   -   Internal Medicine Physician
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Vipul Bhatia, MD   -   Hospitalist, Internal Medicine Physician
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Christopher Due, MD, FACP   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    John R Gandionco, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    John R Gandionco, MD has not yet specified the insurance plans he accepts.
     

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