John Mahmarian, MD, FACC, MASNC, FSCCT
5.0(4 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 Mahmarian, MD, FACC, MASNC, FSCCT
Internal Medicine Physician - Cardiovascular Disease

Highlights

  • Board Certified
  • Has Online Scheduling

Biography

John Mahmarian, MD, FACC, MASNC, FSCCT is a Internal Medicine Physician - Cardiovascular Disease practicing in Houston, TX

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

Featured Review See More Reviews

Superb cardiologist.…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
American Board of Internal Medicine (Board Certification)Other DegreeCardiovascular DiseaseNot Specified

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

Photos

Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Cardiovascular Disease

Internal Medicine

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 4
Most Recent Review: 06/30/2026
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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

“Superb cardiologist....”

Superb cardiologist.

Anonymous 06/30/2026
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Verified Patient

“Dr M is the best!...”

Dr M is the best!

Anonymous 01/20/2026
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Verified Patient

“He's among the best at the best-...”

He's among the best at the best-at Methodist

Anonymous 02/17/2026
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Verified Patient

“Excellent physician...”

Excellent physician

Anonymous 07/08/2025

Locations

Affiliated Practices

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Karla Kurrelmeyer, MD, FACC, FASE   -   Internal Medicine Physician
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Amish Dave, MD, PhD   -   Internal Medicine Physician
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Nadeen Faza, MD   -   Internal Medicine Physician
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Su Chang, MD, FACC   -   Internal Medicine Physician
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Mohammed Chamsi-Pasha, MD, FACC, FASE   -   Internal Medicine Physician
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Eleonora Avenatti, MD, DABOM   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    John Mahmarian, MD, FACC, MASNC, FSCCT has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    John Mahmarian, MD, FACC, MASNC, FSCCT has not yet specified the insurance plans he accepts.