Dr. Marc HeikensMD

Internal Medicine

at Health Matters Direct Primary Care — San Diego, CA

About

Dr. Marc Heikens earned his BS in Microbiology from the University of Washington before completing medical school at Case Western Reserve University School of Medicine in Cleveland. He trained in a combined Internal Medicine and Pediatrics residency at the University of Maryland Medical Center in Baltimore. He holds dual board certifications in both Internal Medicine and Pediatrics.

A childhood experience shaped his entire approach to medicine. At age eight, he suffered a high fever, severe joint pain, and swelling. Urgent care misdiagnosed him repeatedly before his primary care physician identified juvenile idiopathic arthritis. He fully recovered, and the experience left a lasting mark. Dr. Heikens built his practice around taking time to understand each patient and making sure no one leaves with unanswered questions. He accepts patients who receive Medicare benefits. Outside the clinic, he enjoys playing soccer and baseball with his two sons and spending time outdoors with his family.

Education & Training

Undergraduate

University of Washington, Seattle, WA - BS in Microbiology

Medical School

Case Western Reserve University School of Medicine, Cleveland, OH

Residency

University of Maryland Medical Center - Internal Medicine & Pediatrics Combined Residency, Baltimore, MD

Certifications

Board Certified in Internal Medicine
Board Certified in Pediatrics

Conditions Treated

hypertension
diabetes
asthma
high cholesterol
COPD
emphysema
metabolic syndrome
depression
anxiety
juvenile idiopathic arthritis
obesity
STIs

Who is Dr. Heikens right for?

Dr. Heikens is a strong fit for adults and children who want a physician who takes time to understand their full picture. Patients managing chronic conditions like hypertension, diabetes, or asthma benefit from his internal medicine background. Families with children ages seven and older can see him for pediatric and primary care in one practice. He also accepts patients with Medicare benefits, making him a good option for older adults seeking a direct-access physician.

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Frequently Asked Questions

Dr. Heikens holds dual board certifications in Internal Medicine and Pediatrics. He treats adults and children, managing chronic conditions, preventive care, and acute illness across both age groups. His background allows families to see one physician for a wide range of primary care needs.

Yes, Dr. Heikens accepts patients who receive Medicare benefits. This makes him one of the few DPC physicians in San Diego offering direct-access care to Medicare-enrolled patients.

Dr. Heikens sees patients of all ages, including children starting at age seven. His combined Internal Medicine and Pediatrics training gives him deep experience across both pediatric and adult medicine.

Dr. Heikens attended Case Western Reserve University School of Medicine in Cleveland. He completed a combined Internal Medicine and Pediatrics residency at the University of Maryland Medical Center in Baltimore. He earned his undergraduate degree in Microbiology from the University of Washington.

Dr. Heikens manages a broad range of chronic conditions, including hypertension, diabetes, asthma, high cholesterol, COPD, and metabolic syndrome. He also addresses mental health concerns, including depression and anxiety, as part of comprehensive primary care.

At age eight, Dr. Heikens experienced repeated misdiagnoses at urgent care before his primary care physician correctly identified juvenile idiopathic arthritis. That experience left a lasting impression. He built his practice around thorough evaluation and making sure no patient leaves with unanswered questions.

Yes, Dr. Heikens is currently accepting new patients at Health Matters Direct Primary Care in San Diego. Prospective patients can join through the practice's membership enrollment process.

Doctor profile last updated March 21, 2026