Northwest Medical Specialties has the distinct reputation for our quality of care in the South Puget Sound region. Our physicians provide our patients a combination of experience, knowledge and attentiveness rarely seen in the healthcare industry. Take a moment to learn about our team of NWMS physicians.
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PETER K. MARSH, M.D. was born in Chicago, Illinois. He received his undergraduate training at Indiana University and his Medical Doctor degree from Jefferson Medical College. He is Board Certified in Internal Medicine and Infectious Diseases.
He holds memberships in the Infectious Diseases Society of America, the American College of Physicians, the American Medical Association, the American Society of Microbiology, Pierce County Medical Society (past president), the Washington State Medical Association (past president) and the Tacoma Academy of Internal Medicine.

DAVID WINTERS McENIRY, M.D. was born in New York, New York. He graduated Cum Laude from Williams College and received his Medical Doctor degree from the University of Virginia.
Dr. McEniry has served as Physician, American Refugee Committee to Thailand (1982), Research Fellow and Lecturer at the Department of Clinical Tropical Medicine at the London School of Hygiene and Tropical Medicine in London, England, as Senior Registrar at the Hospital for Tropical Diseases in London, as Staff Investigator with the United States Naval Medical Research Unit #3 in Cairo, Egypt, and as Assistant Professor, Department of Medicine, at Tufts University School of Medicine in Boston, Massachusetts.
Dr. McEniry is certified by the American Board of Internal Medicine for both Internal Medicine and Infectious Diseases.
LAWRENCE E. SCHWARTZ, M.D. was born in Dayton, Ohio. He received his MS in Microbiology at Ohio State University, his MS in Microbiology and Immunology at Wright State University, and his Medical Doctor degree from the Medical College of Ohio. He pursued a Combined Internal Medicine/Pediatrics Residency and Fellowship in Infectious Disease at Baystate Medical Center, Springfield, Massachusetts.
He is Board Certified by the American Board of Internal Medicine in both Internal Medicine and Infectious Diseases as well as by the American Board of Pediatrics. He has held academic appointments as a Clinical Teaching Fellow at Tufts University School of Medicine, Boston, Massachusetts. He holds memberships in the American Medical Association, the Alpha Omega Alpha Medical Honor Society, the Massachusetts Medical Society, as Candidate Fellow, American Academy of Pediatrics, American College of Physicians, the Infectious Disease Society of America, the Pediatric Infectious Disease Society, the American Society for Microbiology, and is a Fellow, American Academy of Pediatrics.
ELIZABETH A. LIEN, M.D. was born in Brooklyn, New York. She received her B.S. in Microbiology from Oregon State University and her M.S. in Medical Microbiology from Creighton University, where she also served her Internship, Residency and Fellowship in Infectious Diseases.
Dr. Lien’s memberships include the American Society for Microbiology, the Infectious Diseases Society of America, the International AIDS Society-USA, and the HIV Medicine Association of the Infectious Diseases Society of America. She has lectured widely on HIV and other infectious diseases topics.
MARINA ARBUCK, M.D. graduated from Medical school in Yaroslavl, Russia. She completed Internal Medicine training at St. Vincent Hospital in Indianapolis, Indiana followed by an Infectious Diseases fellowship at Indiana University Medical Center. Dr. Arbuck is Board Certified by the American Board of Internal Medicine in both Internal Medicine and Infectious Diseases. She currently holds memberships in the Infectious Diseases Society of America, the American College of Physicians, The American Medical Association, and the American Association of Inpatient Physicians.
Dr. Arbuck relocated to the Puget Sound region one year ago. She joined the physicians of Infections Limited in July of 2004. Her special interests in Infectious Diseases include bone infection, travel medicine and infections in immunosuppressed patients.
 


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