Our Staff

Lawrence D. Sher, M.D, FAAP, FAAAA, FACAAI

Pediatrics, Adult and Pediatric Allergy, Asthma and Immunology

Dr. Sher is board-certified in adult and pediatric asthma, allergy and immunology and pediatrics. He is active in both the American Academy of Allergy, Asthma, and Immunology and the American College of Allergy, Asthma and Immunology and is currently a member of the Practice Management Committee.

Dr. Sher is nationally known and published, most recently for his work in food allergies. As a major contributor to food allergies worldwide, Dr. Sher continues to help his patients diagnosed with debilitating food allergies through oral immunotherapy (OIT).

Dr. Sher went to medical school at the University of Utah School of Medicine and completed a pediatric residency at the University of California, Los Angeles and fellowship in allergy, asthma, and immunology at both the UCLA Westwood and Harbor campuses. He has been in practice for over 20 years in the Palos Verdes community. He founded Peninsula Research Associates in 1999, a clinical trials institute devoted to helping develop new vaccines and medications for asthma, allergies and sleep disorders.

Leigh Ann Schmidt, FNP

Family Nurse Practitioner

Leigh Ann Schmidt is our food allergy coordinator in addition to providing patients with primary care services. Leigh Ann is a board licensed family nurse practitioner. At PVMG, she provides primary care services to a wide range of patients and works as the food allergy coordinator. When the COVID-19 pandemic began Leigh Ann spearheaded a drive-through COVID-19 testing site in the parking lot…

of PVMG. Thanks to Leigh Ann’s efforts, we have conducted over 10,000 COVID-19 tests, diagnosing over 1,000 people with the virus!

In addition to her work at Palos Verdes Medical Group, Leigh Ann also serves as a research sub-investigator for Peninsula Research Associates. Her primary focus is on food allergy treatments, eczema, asthma and COVID-19 vaccines and treatments.

Leigh Ann completed her Master of Science in Nursing (MSN) at the University of Southern California. She also attended Mount St.. Mary’s College of Nursing as well as Marymount College in Rancho Palos Verdes. Leigh Ann’s experience includes working as an ED nurse, charge nurse, trauma coordinator and home health care nurse.

Leigh Ann is a South Bay native and is loving the fact that she is able to work and raise her family in the same community that she grew up in.

Natalie Buether

Allergy Coordinator

Natalie joins Palos Verdes Medical Group after working in client relations for various large corporations. As the allergy coordinator, she provides detailed communication to patients and patients families to prepare for office visits, allergy treatments, and coordinate patient care. She is dedicated to providing PVMG patients with the highest standard of excellent care.

With her exceptional communication skills and efficient pace, she is the point of contact for our allergy team. Her primary focus is on providing patients with clear knowledge and expectations of various allergy and immunology procedures.

Natalie is a Texas native and never takes for granted living close to the beach with her husband and three kids.