Summary

Dr. Mark Cocalis is a cardiovascular disease specialist with additional expertise in critical care medicine. He earned his medical degree from the University of California, Los Angeles David Geffen School of Medicine and completed multiple residencies there between 1985 and 1987. Dr. Cocalis pursued advanced fellowship training at both UCLA David Geffen School of Medicine and UCLA Mattel Children's Hospital, finishing in 1990. With over four decades of experience in cardiovascular care, he provides services in English.

Dr. Cocalis is affiliated with Doctors Medical Center of Modesto and practices across multiple locations in California, including Stockton, San Francisco, and Modesto. His clinical expertise focuses on treating complex heart conditions such as congenital heart disease and heart valve disease, along with managing Eisenmenger syndrome. He performs specialized cardiovascular procedures including angiograms and advanced echocardiogram techniques like dobutamine stress and Doppler studies. Patients consistently rate Dr. Cocalis highly for his care, giving him an average rating of 4.9 out of 5.
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Quick Facts

  • accepting new patients
  • 4.9
  • 42 years of experience
  • 38 insurance plans accepted
  • speaks English
  • University of California, Los Angeles David Geffen School of Medicine
  • 2 written reviews
  • 2 specialties
  • 3 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Office Locations

Dr. Mark Williams Cocalis has 4 locations

Cardiology Clinic

2800 N California St Ste 15BStockton, CA 95204
MonClosed
Tue8:00 am - 4:00 pm
WedClosed
Thu8:00 am - 4:00 pm
FriClosed
SatClosed
SunClosed

Fetal Cardiovascular Program

1825 4th StSan Francisco, CA 94143
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Cardiology Clinic

1444 Florida Ave Ste 103Modesto, CA 95350

Heart Failure & Transplant Program

1825 4th St # 6San Francisco, CA 94143

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Dr. Mark Williams Cocalis, MDDr. Milind Dhond, MDDr. Javed Nasir, MDDr. Raghav Sharma, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
4.8 
2.1 
42 Years of Experience 37 Years of Experience 20 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English, Spanish Speaks English, Hindi
Stockton , CAFairfield , CAFairfield , CAWinter Park , FL
Med School: University of California, Los Angeles David Geffen School of Medicine Med School: Guys Hospital Medical School Med School: Uniformed Services University Of The Health Sciences F Edward Hebert School Of Medicine Med School: New York Medical College
Current Profile
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Insurance Plans Accepted by Dr. Mark Williams Cocalis

  • Aetna
  • Aetna - HMO
  • Alameda Alliance for Health
  • Alignment Health Plan
  • AllCare Health
  • AllCare Health - IPA
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Oklahoma
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Central California Alliance for Health
  • Central California Alliance for Health - Medicaid (Managed)
  • Chinese Community Health Plan
  • Cigna
  • Health Net
  • Health Net - HMO
  • Health Plan of San Joaquin
  • Health Plan of San Joaquin - Medicaid (Managed)
  • Imperial Health Plan of California
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Magellan Health
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Partnership HealthPlan of California
  • SilverSummit Healthplan
  • Sutter Health Plus
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Viva Health Plan - Medicaid (Managed)
  • Western Health Advantage
  • Western Health Advantage - HMO

Medical Specialties

Dr. Mark Williams Cocalis has the following 2 specialties

Specialty Expertise

Dr. Mark Williams Cocalis has the following 3 areas of expertise

  • Critical Care Medicine
  • Pediatric Cardiology
  • Pediatrics

Certifications, License, & Education

42 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2027, Active

EDUCATION & TRAINING

Fellowship

University of California, Los Angeles David Geffen School of Medicine1990
UCLA Mattel Children's Hospital1989

Residency

University of California, Los Angeles David Geffen School of Medicine1987
University of California, Los Angeles David Geffen School of Medicine1985

Medical School

University of California, Los Angeles David Geffen School of MedicineGraduated in 1984

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Frequently Asked Questions

Does Dr. Mark Cocalis accept virtual/telehealth appointments?
Dr. Mark Cocalis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Mark Cocalis accepting new patients?
Dr. Mark Cocalis is accepting new patients on Vitals. View Dr. Mark Cocalis's profile on Vitals to make an appointment.
Does Dr. Mark Cocalis accept my insurance?
You can see the insurance plans that Dr. Mark Cocalis accepts on their Vitals profile.
How can I make an appointment with Dr. Mark Cocalis?
You can find contact information for Dr. Mark Cocalis here on Vitals.
Which hospitals is Dr. Mark Cocalis affiliated with?
Dr. Mark Cocalis is affiliated with Doctors Medical Center Of Modesto.

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