Summary

Denis Mahar is a physician who specializes in cardiovascular disease and family medicine, bringing expertise in both heart care and comprehensive primary care to patients. They completed their residency training at Contra Costa Regional Medical Center, where they developed skills in treating complex cardiovascular conditions alongside general medical care. Denis Mahar speaks English and provides care that bridges specialized heart treatment with broader family health needs.

Denis Mahar practices at Contra Costa Regional Medical Center in Martinez, California. They focus on treating heart rhythm disorders such as atrial fibrillation and heart block conditions that affect how the heart beats. Their expertise includes cardiac rehabilitation programs and specialized heart imaging techniques like contrast echocardiography to evaluate heart function. Patients have given Denis Mahar an average rating of 3.0 on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3
  • 14 insurance plans accepted
  • speaks English
  • Contra Costa Regional Medical Center
  • 2 specialties
  • 12 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location

Office Location

Contra Costa Regional Medical Center

2500 Alhambra AveMartinez, CA 94553
Mon7:30 am - 9:00 pm
Tue7:30 am - 9:00 pm
Wed7:30 am - 9:00 pm
Thu7:30 am - 9:00 pm
Fri7:30 am - 9:00 pm
Sat8:00 am - 5:00 pm
Sun12:00 am - 12:00 pm

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Dr. Denis Joseph Mahar, MDDr. Rajesh Dash, MD, PhDDr. Euan A. Ashley, MDDr. Abha Khandelwal, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
24 Years of Experience 30 Years of Experience 21 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English, Spanish
Martinez , CAStanford , CAStanford , CAStanford , CA
Med School: University Of Cincinnati College Of Medicine Med School: University Of Glasgow Faculty Of Medicine Med School: Ohio State University College Of Medicine & Public Health
Current Profile
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Insurance Plans Accepted by Dr. Denis Joseph Mahar

  • Accepts Medicare
  • Accepts Medicaid
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Contra Costa Health Plan
  • Contra Costa Health Plan - Medicaid (Managed)
  • Health Net - HMO
  • Humana
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Denis Joseph Mahar has the following 2 specialties

Specialty Expertise

Dr. Denis Joseph Mahar has the following 12 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Check-up
  • Contraception
  • Family Medicine
  • Family Planning
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Immunization
  • Influenza
  • Unstable Angina
  • Weight Loss

Certifications, License, & Education

EDUCATION & TRAINING

Residency

Contra Costa Regional Medical Center

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Frequently Asked Questions

Is Dr. Denis Mahar accepting new patients?
Dr. Denis Mahar is accepting new patients on Vitals. View Dr. Denis Mahar's profile on Vitals to make an appointment.
Does Dr. Denis Mahar accept my insurance?
You can see the insurance plans that Dr. Denis Mahar accepts on their Vitals profile.
Which hospitals is Dr. Denis Mahar affiliated with?
Dr. Denis Mahar is affiliated with Contra Costa County Regional Medical Center.
Where is Dr. Denis Mahar's office located?
Dr. Denis Mahar's office is located at 2500 Alhambra Ave, Martinez, CA, 94553.
Does Dr. Denis Mahar accept virtual/telehealth appointments?
Dr. Denis Mahar has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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