Dr. David Trefflich, M.D. is from Los Angeles, CA. He received his undergraduate degree in Business Economics at UCLA and Medical Degree from UC Irvine. He completed residency in Internal Medicine at Wright State University/Wright-Patterson Air Force Base. He served as an officer in the United States Air Force in Ohio and Japan. His roles have included Medical Director, Infection Control Chair, Antimicrobial Steward, and lead of the Patient Support and Casualty Management team.
Dr. David Trefflich, M.D. is from Los Angeles, CA. He received his undergraduate degree in Business Economics at UCLA and Medical Degree from UC Irvine. He completed residency in Internal Medicine at Wright State University/Wright-Patterson Air Force Base. He served as an officer in the United States Air Force in Ohio and Japan. His roles have included Medical Director, Infection Control Chair, Antimicrobial Steward, and lead of the Patient Support and Casualty Management team.
The reviews listed below were collected independently of Community Health Centers of the Central Coast through rater8. Each review represents an authentic and verified patient experience.
Dr. Trefflich always proffesional and kind. A credit to CHC
(6 days ago)
Sep-2026
He a great doctor always see my needs and helps me
(1 week ago)
Sep-2026
Excelente doctor
(2 weeks ago)
Aug-2026
Always very attentive and very funny .. always fully explains everything.. the good and bad factors if all my questions… hes awesome
(3 weeks ago)
Aug-2026
He is so polite and answers all my questions
(1 month ago)
Aug-2026
Real good doctor,and a great human being!!!
(1 month ago)
Aug-2026
Excellent Doctor , professional, and always explains my condition. He takes the time to make sure I understand my health issues.
(1 month ago)
Jul-2026
Dr. Trefflich is a hood Phicision. I would like to be informed on my test results. .
(1 month ago)
Jul-2026
Everything was explained in detail.
(1 month ago)
Jul-2026
He is an awesome doctor he listens any has helped me get my A1C down in the first time that I visited him he corrected and fixed all my health problems I would always recommend him he is a great doctor and down to earth and very direct
(2 months ago)
Jul-2026
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Santa Maria – Del Valle
430 S Blosser Road Santa Maria, CA 93458
Dr. David Trefflich, M.D. is from Los Angeles, CA. He received his undergraduate degree in Business Economics at UCLA and Medical Degree from UC Irvine. He completed residency in Internal Medicine at Wright State University/Wright-Patterson Air Force Base. He served as an officer in the United States Air Force in Ohio and Japan. His roles have included Medical Director, Infection Control Chair, Antimicrobial Steward, and lead of the Patient Support and Casualty Management team. He is board certified in Internal Medicine and has certificates in infection control and Advanced Trauma Life Support. He speaks Japanese and some Spanish.
He enjoys working with tools, playing music, serving in church, and spending time with family.
Dr. Trefflich always proffesional and kind. A credit to CHC
He a great doctor always see my needs and helps me
Excelente doctor
Always very attentive and very funny .. always fully explains everything.. the good and bad factors if all my questions… hes awesome
He is so polite and answers all my questions
Real good doctor,and a great human being!!!
Excellent Doctor , professional, and always explains my condition. He takes the time to make sure I understand my health issues.
Dr. Trefflich is a hood Phicision. I would like to be informed on my test results. .
Everything was explained in detail.
He is an awesome doctor he listens any has helped me get my A1C down in the first time that I visited him he corrected and fixed all my health problems I would always recommend him he is a great doctor and down to earth and very direct