Summary

Dr. John Mahmarian treats chest pain and chest wall pain, and performs exercise electrocardiograms, single photon emission computed tomography, and CT angiograms. He practices cardiovascular disease and is affiliated with Houston Methodist Hospital.

Board-certified in internal medicine by the American Board of Internal Medicine, Dr. Mahmarian sees patients in Houston, Texas. Patients on Vitals rate Dr. Mahmarian 4.53 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 20 insurance plans accepted
  • speaks English
  • American Board of Internal Medicine (Board Certification)
  • 13 written reviews
  • 1 award
  • 1 specialty
  • 29 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

Houston Methodist DeBakey Cardiology Associates

6550 Fannin St Ste 1901Houston, TX 77030
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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John Mahmarian, MD, FACC, MASNC, FSCCTDr. Andres Felipe Vasquez Donado, MDDr. Azfar Bilal Sheikh, MDPercy Francisco Morales, MD, FACC
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4.5 
22 Years of Experience 16 Years of Experience 22 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish
Houston , TXPasadena , TXCypress , TXHumble , TX
Med School: American Board of Internal Medicine (Board Certification) Med School: Universidad Del Norte Med School: Baqai Medical University, Karachi, Pakistan Med School: Washington University In St Louis School Of Medicine
Current Profile
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Insurance Plans Accepted by John Mahmarian

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • CHAMPVA
  • CHRISTUS Health Plan
  • Cigna
  • Community Health Choice
  • Devoted Health
  • Humana
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Renaissance
  • Renaissance - Medicare
  • SCAN Health Plan
  • State Farm
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

John Mahmarian has the following specialty

Specialty Expertise

John Mahmarian has the following 29 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Angioplasty
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Brachytherapy
  • Chest Pain (Angina)
  • Coronary Artery Angioplasty & Stent
  • Coronary Artery Bypass (Heart Bypass)
  • Coronary Artery Disease (CAD)
  • Coronary Disease
  • Coronary Vasospasm
  • Heart Attack
  • Heart Block
  • Heart Catheterization
  • Heart Disease (Myocardial Ischemia)
  • Heart Diseases
  • Heart Failure
  • Heart Transplantation
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Hypotension
  • Left Ventricular Dysfunction
  • Lipid Disorders
  • Mitral Valve Prolapse
  • Myocardial Infarction
  • Stroke
  • Unstable Angina

Certifications, License, & Education

John Mahmarian holds an active medical license in the state of Texas. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an active medical license in the state of Texas that expires in 2027.

Education & Training

Medical School

Graduated from American Board of Internal Medicine (Board Certification).

NPI Number

John Mahmarian's NPI number is 1114957511.

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Frequently Asked Questions

Does John Mahmarian accept virtual/telehealth appointments?
John Mahmarian has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does John Mahmarian speak?
John Mahmarian speaks English.
Where is John Mahmarian's office located?
John Mahmarian's office is located at 6550 Fannin St Ste 1901, Houston, TX, 77030.
How can I make an appointment with John Mahmarian?
You can find contact information for John Mahmarian here on Vitals.
Which hospitals is John Mahmarian affiliated with?
John Mahmarian is affiliated with Houston Methodist Hospital.

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