Meet Our Physicians

 Geeta Venkat, MD

Geeta Venkat, MD

Dr. Venkat is a board-certified allergist and immunologist who specializes in the treatment of allergy and asthma symptoms for both adults and children. She has been practicing in South Orange County for 30 years and sees patients in Irvine. Dr. Venkat specializes exclusively in the diagnosis and treatment of allergic diseases.

She received her specialty training at Children's Hospital Michigan, Wayne State University. She is double board-certified by the American board of Allergy & Immunology and American Board of pediatrics. She is also a fellow of the American Academy of Allergy & Immunology, American College of Allergist and American Academy of Pediatrics. She is a member of various organizations including Orange County Allergy Society, Orange County Medical Association, and finally, she is an Assistant Professor at University of California, Irvine.

Find Dr. Venkat on Yelp!


Allergy and Immunology


Degrees and Training

Sawai Man Singh Medical College

Residency, Children’s Hospital Michigan

Fellowship, Children’s Hospital of Michigan

Board Certified American Board of Allergy & Immunology, Pediatrics 

 Sunil Saini, MD

Sunil Saini, M

Dr. Sunil Saini is a board-certified allergist and immunologist for both adults and children. He specializes in treating asthma, hay fever, sinusitis, recurrent bronchitis, food allergies, eczema, and other challenging allergic conditions.

Originally from Ohio, Dr. Saini graduated from the University of Miami School of Medicine in 1992. At Thomas Jefferson University Hospital in Philadelphia, Dr. Saini completed a three-year residency program in Pediatrics. He then pursued an Allergy-Immunology fellowship at Northwestern University, Chicago, where he received training from world renowned experts in both adult and pediatric allergy. In 1998, Dr. Saini completed an additional fellowship in Clinical Laboratory Immunology at the University of California, Irvine.

Dr. Saini will be seeing patients in our Mission Viejo office on Wednesdays.

Office Hours

Contact us today: (949) 481-9701

Mission Viejo Office

26726 Crown Valley Pkwy, Suite 200
Mission Viejo, CA 92691

Office Hours
Monday: 8:00 AM - 5:00 PM
Tuesday:        8:00 AM - 12:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: Closed
Saturday: Closed
Sunday: Closed

Irvine Office

18 Endeavor Suite, 208
Irvine, CA 92618

Office Hours
Monday: Closed
Tuesday: 12:30 PM - 5:00 PM
Wednesday: Closed
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM
Saturday: Closed
Sunday: Closed