
Professional Excellence
Critical Care Medicine and Pulmonary Critical Care
Critical Care Medicine and Pulmonary Critical Care Robby Ayoub, MD, is board certified in Internal Medicine, Pulmonary Medicine, Critical Care Medicine, and Sleep Medicine. Visit our office located in Huntington Beach, California.

About Dr. Robby Ayoub
Dr. Robby Ayoub is a graduate of the Seton Hall University School of Health and Medical Science in New Jersey, where he completed a residency in Internal Medicine and a fellowship in Pulmonary and Critical Care. He started his practice in Fountain Valley, CA in August of 2009. Dr. Ayoub is always updated on the latest diagnosis and treatment of lung disease, and is considered one of the most successful physicians in Orange County. During your office visit, Dr. Ayoub will go in detail over your medical health issues.
Being internal Medicine Board Certified, he is updated on all your general health problems. Using a state of the art electronic medical record system, Dr. Ayoub will conduct a thorough physical exam, and will walk you through the multi-system anatomy and physiology, explaining to you with images and details your symptoms and the potential patho-physiology of your treatment.
Being Pulmonary board certified, he specializes in diagnosing, treating, and managing conditions affecting the respiratory system including lungs and airways, such as Chronic Obstructive Pulmonary Disease (COPD), asthma, pulmonary infections, pneumonia, tuberculosis, pulmonary hypertension, cystic fibrosis, bronchiectasis, interstitial lung diseases (ILD), pulmonary fibrosis, sarcoidosis, pulmonary nodules, lung cancer, and acute and chronic respiratory failure. He has on-site a full pulmonary function testing (PFP), cardiopulmonary exercise testing, indirect and direct pulmonary challenge testing such as methalcholine, hypertonic saline challenge testing, and exercise challenge testing.
Being sleep medicine board certified, he specializes in diagnosing, treating, and managing sleep disorders, such as obstructive sleep apnea (OSA), central sleep apnea (CSA), insomnia, narcolepsy, restlesness neck syndrome (RLS), parasomnias, circadian rhythm sleep disorders (e.g. shift work disorder, delayed sleep phase syndrome, advanced sleep phase syndrome), hypersomnia disorder. He has on-site his own specialized sleep lab that conducts full polysomnography (PSG), multiple sleep latency tests (MSIT), and maintenance of wakefulness test (MWT). Moreover, if you are eligible, he can send you for home sleep apnea testing (HSAT). He can treat obstructive sleep apnea (OSA) with the specific PAP therapy that’s needed such as cPAP, ByPAP, AutoPAP, and he send you for mandibular advancement device treatment, as well as sleep apnea laser therapy. He can refer you for a hypoglossal nerve stimulator, such as Inspire Sleep Apnea Innovation.
Being critical care board certified as intensivist, he specializes in managing critical ill patients with respiratory failure, cardiac emergencies, sepsis and septic shock, neurological emergencies, renal failure and metabolic disorders, multi-organ dysfunction syndrome, postoperative critical care medicine, as well as poisoning and toxicology cases. He has experience in bronchoscopy, EBUS, endotracheal intubation, central venous and arterial line placement, chest tube insertion, percutaneous tracheostomy, point-of-care ultrasound (POCUS), and lumbar puncture.
As an experienced physician, Dr. Ayoub not only specializes in pulmonary, sleep, and critical care medicine but also extends his expertise to wound care and aesthetics. His proficiency in wound management ensures that patients with chronic or acute wounds receive comprehensive treatment plans tailored to promote optimal healing. He is well-versed in managing a variety of wounds, including diabetic ulcers, pressure sores, venous stasis ulcers, surgical wounds, and traumatic injuries. Utilizing the latest advancements in wound care, such as negative pressure therapy, bioengineered skin substitutes, and advanced dressings, he ensures that patients receive evidence-based treatments to accelerate recovery and prevent complications.
In addition to his clinical expertise, Dr. Ayoub has a passion for aesthetics and offers a range of cosmetic treatments aimed at enhancing natural beauty and restoring confidence. He provides non-surgical aesthetic procedures such as Botox and dermal fillers to reduce the appearance of wrinkles and fine lines, as well as skin rejuvenation treatments to improve texture, tone, and overall skin health. His knowledge of facial anatomy, combined with his meticulous approach to patient care, allows him to achieve natural-looking results tailored to each individual’s unique features.
With a deep understanding of the science behind both wound healing and aesthetics, Dr. Ayoub integrates his medical expertise with an artistic touch, ensuring that patients receive the highest level of care whether they seek treatment for medical conditions or aesthetic enhancements. His commitment to staying updated with the latest advancements in these fields enables him to provide cutting-edge solutions, further solidifying his reputation as a trusted and skilled physician in Orange County.
OUR SERVICES
Our office is Equipped with the Latest Innovation in Medicine
We have a full pulmonary function testing machine that includes a Body Box for further accuracy in diagnosis. We also have a cardiopulmonary exercise-testing machine,


Asthma


Chronic cough


Wheezing
The Best Care Is On Your Side
We are always adding the latest in-office technologies that medicine has to offer, as well as many new procedures that will benefit our patients.
Research
As the principle investigator for many clinical studies in research, Dr. Ayoub is currently the owner of the SoCal Clinical research that will be undergoing many clinical studies. He participates in many clinical trials at his office. He gives his patients to participate in many clinical trials.
Internal Medicine
From echocardiography, to
checking for effusions in the
joints, we offer full-service internal medicine options.
Critical Care
Dr. Ayoub has extensive
experience as a critical care consultant at many hospitals in orange county.
OUR MISSION
We are committed to providing our patients with personal attention and the highest quality care in medical service and treatment, especially in all areas of pulmonary, critical care and sleep medicine. Our mission is to promote good health and wellness in a professional and caring environment. Our friendly staff will welcome you to our modern office, equipped with the latest innovations in medicine. Dr. Robby Ayoub will thoroughly examine you, address all your medical issues and provide you with excellent treatment and health care.
Testimonials
What Patients Say About Us
I've been patient of Dr. Ayoub for the past 2.5 years. Dr. Ayoub is a very caring, willing to listen to ever need a patient needs are. His office staff and manger are outstanding & all of them are willing to assist
CA
I was very desperate when my 15 year old son was extremely ill with a cough. Dr. Ayoub returned a paged call on Sun. evening saw us that very next Mon. ran a series of prescribes all the right medications, and cured the illness. Very warm and pleasant doctor I highly recommend.
Our Process
Easy Steps To Get Your Solution
01
Make Appointment
02
Receive Appointment
03
Meet The Doctor
04
Get Your Solutions
Work Hours
- Mon - Fri : 8:30 am - 5:30 pm
- Saturday, Sunday: Closed
Jack Abajian Anaheim
CA