Our Team

Gregory Burt, MD

Portrait of Dr. BurtGregory Burt, M.D., specializes in Internal Medicine and brings 20 years of experience as a Board Certified Internist to his patients at Adventist Health Physicians Network Family Physicians. Since completing medical school at Tulane University in New Orleans, Dr. Burt has become well acquainted with the issues facing residents of northern California by serving patients in Colusa, Vacaville, Sacramento and Davis. His approach to medicine is patient-centered, built on caring for the individual over many years in context of their family, with a focus on food and lifestyle.

Outside of the office, Dr. Burt enjoys cooking, Crossfit, time with family and friends and travel.


Shalini Gupta, MD

Portrait of Dr. Mugo

Shalini Gupta, MD, believes in providing quality primary care for her community and is fluent in English, Hindi and Punjabi. She is board certified in internal medicine by the American Board of Internal Medicine.

Dr. Gupta completed medical school and a one-year rotary clinical internship at Grant Medical College at Sir J.J. Hospital in Mumbai, India. She also completed her Internal Medicine Residency at Unity Health System in Rochester, New York.

She is a member of the American College of Physicians and the American Medical Association and is certified by the Education Commission for Foreign Medical Graduates.


John G. McAvoy, PA-C

Portrait of Dr. McAvoyJohn graduated from the college of Osteopathic Medicine of the Pacific Physician Assistant program in 1994 in Southern California and then moved to this area to begin practice. He has a BA in psychology from the University of La Verne and worked in the past as a Psychiatric Technician. He loves working in family practice because of the variety it presents. He enjoys music, cooking, and gardening.


Christopher Pacheco, PA-C

Christopher PachecoChristopher Pacheco, PA-C, provides primary healthcare for the entire family. His clinical experience includes family medicine, cardiology, emergency medicine and internal medicine. He has managed chronic diseases such as hypertension, diabetes and rheumatoid arthritis.


Natisha Ram, PA-C

Natisha Ram PA-C

Natisha Ram, PA-C, brings vast experience in family medicine. She specializes in treatment of asthma, hypertension, diabetes, depression and anxiety. Natisha completed her master of science degree in physician assistant studies at the University of California Davis School of Nursing in Davis, California. She also holds a bachelor of arts in psychology from California State University, Sacramento. Her training included rotations in family medicine, pediatrics, psychiatry, orthopedics, nephrology, women’s health and inpatient medicine.

She is certified by the National Commission on Certification of Physician Assistants and is a member of the American Academy of Physician Assistants and the California Academy of Physician Assistants.

Natisha is fluent in Hindi and English and is passionate about helping others to make a difference for their health.



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