Dr. Rena AhujaMD
Internal Medicine
at Rena Ahuja MD Concierge Internal and Integrative Medicine — Newport Beach, CA
About
Dr. Rena Ahuja is a concierge internal medicine physician practicing in Newport Beach, California. She integrates functional and holistic medicine with conventional internal medicine to address root causes rather than symptoms alone. Her guiding conviction is to treat the person, not the disease.
In 2014, Dr. Ahuja completed her Fellowship in Integrative Medicine at the Arizona Center for Integrative Medicine. That program, a 1,000-hour, two-year distance learning curriculum created by Andrew Weil, MD, stands as one of the world's leading integrative medical education programs. Her specialties span internal medicine, functional medicine, and preventive medicine. She is passionate about longevity and wellness, approaching each patient's health through the lens of mind, body, and spirit together. She holds a staff position at Hoag Hospital and coordinates care and specialist referrals through that affiliation. Members reach her directly on her personal cell phone for after-hours urgent concerns.
Education & Training
Fellowship
Fellowship in Integrative Medicine, Arizona Center for Integrative Medicine (completed 2014)
Additional Training
1,000 hour, two-year distance learning program created by Andrew Weil, MD in 2000
Conditions Treated
Who is Dr. Ahuja right for?
Dr. Ahuja is a strong fit for adults seeking care that goes beyond symptom management. Patients managing chronic conditions such as type 2 diabetes, hypertension, hormonal imbalances, or cardiovascular disease benefit from her root-cause functional approach. She also works well with patients navigating complex or hard-to-diagnose issues like SIBO, Lyme disease, adrenal disorders, or mycotoxin exposure. Adults focused on healthy aging, longevity, and preventive wellness find her integrative toolkit especially valuable.
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Frequently Asked Questions
Dr. Ahuja treats a broad range of adult conditions. Her clinical focus includes type 2 diabetes, obesity, hypertension, and cardiovascular disease. She also manages hormonal imbalances, adrenal disorders, osteoporosis, osteoarthritis, and dementia-related concerns. She has particular expertise in complex presentations such as Lyme disease, SIBO, mycotoxin exposure, food sensitivities, anxiety, depression, insomnia, and seasonal affective disorder.
Dr. Ahuja follows a functional medicine philosophy focused on finding the root cause of each health concern. She incorporates a patient's mental, emotional, and spiritual context alongside physical symptoms. Her approach blends evidence-based conventional medicine with integrative modalities to build a complete, individualized care plan.
Dr. Ahuja offers acupuncture, acupressure, yoga, massage, meditation, Ayurveda, hormone treatments, music and sound therapy, tai chi, qi gong, homeopathy, and botanical treatments. She tailors the combination of modalities to each patient's needs and goals.
Dr. Ahuja completed her Fellowship in Integrative Medicine at the Arizona Center for Integrative Medicine in 2014. The program is a 1,000-hour, two-year distance learning curriculum created by Andrew Weil, MD. It is widely regarded as one of the foremost integrative medical education programs in the world.
Yes. Dr. Ahuja holds a staff position at Hoag Hospital in Newport Beach. She coordinates care and specialist referrals through that affiliation, giving her patients access to a trusted network of specialists.
Yes. Dr. Ahuja provides members with her personal cell phone number for after-hours urgent concerns. When she is unavailable, a trusted colleague covers for her. The practice aims to provide 24/7 accessibility to members.
Dr. Ahuja uses Boston Heart Diagnostics to personalize cardiovascular care. She also orders Genova Testing panels, including food sensitivity, GI effects, Nutravel, adrenocortex stress profile, and SIBO testing. For patients with environmental concerns, she uses the Real Time Labs Mycotoxin Panel, which detects 16 mycotoxins including 9 macrocyclic trichothecenes. She also offers body composition analysis.
Dr. Ahuja specializes in internal medicine, functional medicine, and preventive medicine. She completed a rigorous fellowship in integrative medicine and applies all three disciplines to her concierge practice in Newport Beach.
Doctor profile last updated June 9, 2026