Physicians

Mark L. Schlauderaff, M.D.
Internal Medicine

Dr. Schlauderaff attended medical school at the University of Minnesota and his internal medicine residency was at the University of Washington. He is board certified in internal medicine and has provided adult primary care in Shelton since 1985.

Dr. Schlauderaff has a special interest in diabetes and teaches classes through the diabetes education program at Mason General Hospital.

To make an appointment contact Olympic Physicians P.L.L.C., 219 Professional Way, Shelton, (360) 426-2500.

Certification: Board Certified, Internal Medicine
Degree: University of Minnesota, 1980
Residency/Internship: University of Washington, Seattle,
Washington 1980-1983


Douglas F. Lindahl, D.O.
Internal Medicine

Dr. Lindahl enjoys the personal aspect of medicine, believing one of the unique pleasures of medical practice to be the opportunity to interact with patients with a variety of backgrounds and needs. He sees the physician as both a facilitator and teacher, helping patients to make sound and informed choices while in the process of healing and in maintaining healthy lifestyles. Dr. Lindahl was a practicing pharmacist prior to entering medical school.

While not with patients, Dr. Lindahl enjoys time with his wife and three children. He also enjoys a number of outdoor activities including rowing and bicycling.

To make an appointment contact Olympic Physicians P.L.L.C., 219 Professional Way, Shelton, (360) 426-2500.

Certification: Board Certified, Internal Medicine
Degree: Western University of Health Science, Pomona, CA 1998
Residency/Internship: Maricopa Medical Center, Phoenix, AZ 1998-2000


Diana Velikova, M.D.
Internal Medicine

Dr. Velikova grew up in a family of healthcare professionals and wanted be a physician since early childhood.She still has the fascination and enthusiasm for the profession. Her goal is to meet the most progressive, topnotch standards in contemporary medicine and at the same time maintain a close relationship with patients, which will ensure they receive medical care tailored to their unique individual needs. She and her husband’s passions are skiing, hiking, fishing and photography. They both love to travel and explore new places. In her spare time she enjoys gardening, crafts and cooking.

To make an appointment contact Olympic Physicians P.L.L.C., 237 Professional Way, Shelton, (360) 426-2500.


Certification: Board Certified, Internal Medicine
Residency/Internship Pinnacle Health Hospitals, Harrisburg, PA,2000-2003
Medical Degree: Medical University-Varna, Bulgaria, 1990-1996
Special Interests: Nephrology and geriatrics


Rebecca Hendryx, M.D.
Family Medicine

Dr. Hendryx attended the University of Utah Medical School and completed her training at the University of Utah Department of Family and Preventive Services. She is Board Certified in Family Practice. Dr. Hendryx enjoys working with individuals and families to promote optimal health and well being throughout all stages of life.

While not working Dr. Hendryx enjoys reading, traveling, hiking, camping and spending time with her family.

To make an appointment contact Olympic Physicians P.L.L.C., 237 Professional Way, Shelton, (360) 426-2500.


Certification - Board Certified in Family Medicine
Residency/Internship - University of Utah Family and Preventive Services
Medical School - University of Utah School of Medicine


Allen Millard, M.D.
Family Medicine 

He joins physicians, Mark Schlauderaff, M.D.; Doug Lindahl, D.O.; Diana Velikova, M.D.; and Rebecca Hendryx, M.D.

Dr. Millard has practiced in the Shelton area since 1989. He is board certified in family practice and received his medical degree from Medical College of Wisconsin, Milwaukee, in 1986. He did his post graduate training at Memorial Hospital of Carbondale,  Illinois. He has special interest in diabetes.

Dr. Millard started seeing patients the end of December.

To make an appointment contact Olympic Physicians P.L.L.C., 237 Professional Way, Shelton, (360) 426-2500

Certification - Board Certified in Family Medicine
Residency/Internship - 
Memorial Hospital of Carbondale, Illinois
Medical School - Medical College of Wisconsin, Milwaukee, WI, 1986


Peggy Hosford, M.D.
Family Medicine 

Dr. Hosford is an experienced family physician who believes that an important part of providing good medical care is taking time to hear each patient's unique story. She enjoys partnering with her patients in helping them to heal and achieve a greater sense of wellness. It is her goal to provide high quality evidence based medical care and at the same time help patients understand the tremendous capacity of the human body to heal itself. She has additional training in holistic and integrative medicine and a special interest in nutrition.

Dr. Hosford and her husband enjoy hiking with their yellow labs, back road trips and antiquing. Dr. Hosford also enjoys cooling and pastel art.

Dr. Hosford will return to work at Olympic Physicians in June, 2012.  We look forward to her return.

To make an appointment contact Olympic Physicians P.L.L.C., 237 Professional Way, Shelton, (360) 426-2500.

Certification - Board Certified in Family Medicine
Membership - American Holistic Medical Association
Residency/Internship -  Providence Medical Center, Seattle, WA

Medical School - Stanford University School of Medicine