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5.0(18 reviews)
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Office Hours

  • Mon:8:00am - 5:00pm
  • Tue:8:00am - 5:00pm
  • Wed:8:00am - 5:00pm
  • Thu:8:00am - 5:00pm
  • Fri:8:00am - 5:00pm

John J. Giardina, MD
Internal Medicine Physician - Interventional Cardiology

Highlights

  • Board Certified

Biography

John J. Giardina, MD is a Internal Medicine Physician - Interventional Cardiology practicing in Prescott, AZ

He has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

The doctor explained all my test results so I cold understand them and scheduled a future appointment…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
University of Health Sciences-Chicago Medical School (North Chicago,IL)DoctorateOtherNot Specified

InstitutionFocusYear
Residency - University of Illinois at Chicago HospitalOtherNot Specified
Fellowship - Loyola University of Chicago-Stritch School of Medicine (Maywood,IL)OtherNot Specified

CertificationCert. BodyYear
Internal medicine
Sub-Specialty: Cardiovascular Disease		Internal MedicineNot Specified

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Interventional Cardiology

Internal Medicine

Years In Practice: 37 (started in 1989)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 18
Most Recent Review: 08/14/2026
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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 5.0

Listening Skills 5.0
Clear Explanations 5.0
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Verified Patient

“The doctor explained all my test...”

The doctor explained all my test results so I cold understand them and scheduled a future appointment

Anonymous 08/14/2026
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Verified Patient

“Dr GIARDINA has been great and I...”

Dr GIARDINA has been great and I'm back in "normal" ranges of heart health

Anonymous 07/23/2026
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Verified Patient

“Dr. Giardina is the bomb...”

Dr. Giardina is the bomb

Anonymous 07/10/2026
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Verified Patient

“Dr was awesome...”

Dr was awesome

Anonymous 05/22/2026
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Verified Patient

“Everyone is courteous, professio...”

Everyone is courteous, professional, and kind.

Anonymous 02/21/2026
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Verified Patient

“The specialists who performed my...”

The specialists who performed my stress tests and monitored my heart were great. They were open and explained the procedures. They kept me Informed through the whole process. Very professional. It took a long time between tests and seeing the cardiologist. I wish I remembered their names.

Anonymous 08/01/2026
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Verified Patient

“Dr. Giardina is a great cardiolo...”

Dr. Giardina is a great cardiologist.

Anonymous 07/22/2026
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Verified Patient

“The Dr is very friendly, makes ...”

The Dr is very friendly, makes it easy to bring up problems.

Anonymous 05/28/2026
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Verified Patient

“Dr. Giardina shows concern, atte...”

Dr. Giardina shows concern, attention and professional treatment advice at each visit!

Anonymous 03/12/2026
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Verified Patient

“Dr Giardina is wonderful...”

Dr Giardina is wonderful

Anonymous 02/07/2026
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Locations

Affiliated Practices

Practice Colleagues

Neelima Katukuri, MD   -   Internal Medicine Physician
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Aubrey Michels,   -   Internal Medicine Physician
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Nisha Tung-Takher, MD   -   Internal Medicine Physician
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Ashley Showman, NP   -   Nurse Practitioner
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Marek Piatek, MD   -   Internal Medicine Physician
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Kent Winkler, MD   -   Internal Medicine Physician
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Christine Webb, MSN, APRN, FNP-C   -   Nurse Practitioner, Registered Nurse
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    John J. Giardina, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    John J. Giardina, MD has not yet specified the insurance plans he accepts.