Internal Medicine

Internal medicine specializes in dealing with the prevention, diagnoses, and treatment of adult diseases. Our Primary Care Providers apply clinical expertise to the companionate care of their patients from basic health to managing very complex medical illnesses. Our team is qualified to perform many advanced clinical procedures.


Dr Gross is an Osteopathic Internal Medicine specialist who primarily manages the practice’s hospitalized patients. He was trained at Michigan State University and completed his residency in Internal Medicine at POH medical center in Pontiac Michigan. As an Osteopath, Dr Gross believes in a more holistic approach to medical care with an emphasis on prevention, diet and exercise before any pharmacologic treatments are instituted. He also feels it is the physician’s responsibility to educate his patients as to their disease processes and employ a team approach between the patient and providers.

Robert L. Gross, DO

Dr. Gary Finstad is a well-respected and dedicated physician who has long been established in the Kern Valley. He Specializes in Internal Medicine, management of patients with multi-system disease as well as diagnosis, treatment, and prevention of disease.

Gary A. Fintad, MD

James Gutzman is Dr Gross’s PA and as such is responsible for managing the clinic care of Dr Gross’s patients as well as his own. He has built an honorable reputation in our community with specializations in diseases of the heart, lungs, liver, and kidneys. As well as treating rheumatologic disorders, geriatric patients, and end of life care.

James D. Gutzman, PA

“Observation, Reason, Human Understanding, Courage; these make the physician. ”

- Martin H. Fischer, MD