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Faculty & Staff


  • May Hong

    May Hong, MD

    Program Director

    May Hong received her Doctor of Medicine from the University of Texas Medical Branch. Dr. Hong did her residency at Austin Medical Education Program in Austin, Texas. May has worked as a primary care physician in Texas and New York. May currently works at Redwood Community Health Center. In her spare time, she plays the piano and cello.

  • Bruce Kessler, MD

    Bruce Kessler, MD

    Designated Institutional Official

    Dr. Kessler received his MD from Columbia University College of Physicians and Surgeons and completed his Internal Medicine residency at the Stanford University Hospital. He practiced primary care internal medicine in Humboldt County for over 40 years. In addition to being the DIO of the residency program he attends on the Resident's Inpatient Teaching Service. When not practicing medicine he enjoys visiting his 5 grandchildren, birdwatching, hunting mushrooms and going on long distance bicycle trips with his wife of 50 years.

  • Dr. Courtney Ladika

    Courtney Ladika, MD

    Associate Program Director

    Dr. Ladika attended Wake Forest School of Medicine and completed residency at McKay Dee Family Medicine Residency, in Utah, where she served as Chief Resident. Courtney works at Redwood Community Health Center. She lives in Eureka, where she enjoys running through the redwoods forests, biking along the coast, and swimming in the lagoons. She also enjoys backpacking in the Trinity Alps.

  • Dr. Willard Hunter

    Willard "Bill" Hunter, MD

    Core Faculty

    Dr. Hunter attended medical school at the University of California, Los Angeles and completed his Family Medicine residency at University of California, Davis. Bill served as medical director of Redwoods Rural Health Center in Redway for 20 years, before becoming Open Door’s Chief Medical Officer. In 2020 Bill transitioned his role at Open Door to CMO Emeritus. He is known for his energy, passion and his beautiful singing voice.

  • Patti Chico, MD

    Patti Chico, MD

    Core Faculty

    Dr. Chico attended medical school and residency at the University of Illinois at Chicago. She joined our team after relocating from North Fork, California. Dr. Chico enjoys running, cycling, swimming, hiking, cooking and reading. Dr. Chico came to Humboldt to join the Family Medicine Residency Program as Core Faculty in 2020.

  • Margarette Shegog

    Margarette Shegog, MD, MPH

    Behavioral Health Faculty

    Margarette Shegog attended Boonshoft School of Medicine at Wright State University, in Ohio. She completed her family medicine residency with obstetrics, along with a fellowship in behavioral health, at Mountain Area Health Education Center in Asheville, North Carolina. Margarette has taught in Namibia with the U.S. Peace Corps and worked on health initiatives in India with the America-India Service Corps. Her hobbies include nature walks, crafting, and tabletop gaming.

  • Kelvin Vu

    Kelvin Vu, DO

    Family Medicine Faculty

    Kelvin Vu received his medical degree from Western University and completed his residency training in Family Medicine at University of California Davis Medical Center, where he also served as Chief Resident in his last year. In 2020 he became Open Door's Chief Medical Officer. When not working Kelvin enjoys travelling the world with his wife and two sons, watching movies and playing sports.

  • Joseph Carroll

    Joseph Carroll, MD, PhD

    Residency Research Director

    Dr. Carroll is a retired family physician who began work in Humboldt County in late 1982. Prior to medical school he received a Doctorate in Mathematics from Harvard University. He has been a clinician with three different local groups, the last being Open Door Community Health Centers, where he saw patients until the end of 2016. His main interest is in advancing the potential for medical research in the county, with results to be applied in the county. He is married with two grown sons, both of whom live away from here. Joe describes himself as someone who runs slowly, practices Shotokan karate disappointingly, and does mathematics reasonably well.

  • Conor McCartney

    Conor McCartney, MD

    Residency Inpatient Medical Director
    Family Medicine Faculty

    We are very excited to welcome Dr. McCartney to our faculty. Originally hailing from Madison, Wisconsin, he comes to us via Saint Louis, Missouri, where he did his medical school and residency at St. Louis University. Dr. McCartney was previously an assistant professor at Saint Louis University while working at the VA hospital. He is the first author on a number of articles indexed in PubMed. Outside of work, he enjoys gardening, brewing gluten free beer, playing an acoustic guitar, and taking advantage of the seemingly endless hiking trails Humboldt County has to offer.


  • Karen Wilson

    Karen Wilson

    Residency Administrative Assistant

    Karen Wilson joined the residency team in August, 2019. She has over 15 years of experience working in the health field in Humboldt County. Karen graduated from Sacramento State with her Bachelor’s in Communications. She was born and raised in Humboldt County and lives in Fortuna with her greatest joy kids Chandler and Courtney. She enjoys travel, backgammon and spending time at Ruth Lake.

CMA Plessner Award Winners

Every year the California Medical Association awards The Frederick Plessner Memorial Award to the one physician in the state who best exemplifies the practice and ethics of a rural practitioner. This is often called the “Country Doctor Award.” Our program is unique and proud to have three physicians on our faculty who have received this award.

  • Willard Hunter


    Willard “Bill” Hunter, MD

    Willard Hunter is a Family Physician who has practiced in Humboldt County for 40 years. He is a member of the core faculty for our residency program.

  • Ellen Mahoney


    Ellen Mahoney, MD

    Ellen Mahoney is a surgeon who specializes in Breast Cancer surgery. She is the chair of the hospital Cancer Committee and coordinates the second year rotation in Cancer Care.

  • Robert Soper


    Robert Soper, MD

    Robert Soper is a psychiatrist who has practiced in Humboldt County for over 25 years. He works with residents on the first year rotation in Behavioral Health.