NW Portland

Mon-Fri: 8am-8pm
Sat-Sun: 8am-8pm

NE Portland

Mon-Fri: 8am-8pm
Sat-Sun: 8am-8pm

Lake Oswego

Mon-Fri: 8am-8pm
Sat-Sun: 9am-6pm

(503) 305-6262

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Meet Our Team

Leadership Team

Dr. Lou Perretta

Dr. Lou Perretta

Medical Director

Dr. Perretta is an experienced Emergency Physician who has seen the value of Urgent Care centers in helping patients with acute medical problems get care quickly and efficiently. He believes Doctors Express, in particular, is able to provide this care in a calm and caring setting. More importantly this care is comprehensive – with onsite labs and X-rays – yet only costs a fraction of the expense that a busy hospital Emergency Department will charge.

As Medical Director he oversees all of the daily operations of the centers in Portland. Dr. Perretta has been practicing Emergency Medicine in the Portland medical community for the past 25 years. He has worked at the Legacy Good Samaritan Hospital as well as the Kaiser Sunnyside hospital. Dr. Perretta graduated from the University of Rochester School of Medicine and completed his residency at the University of Illinois in Chicago.

He has served as the Medical Director of EMS for Columbia County in Oregon and currently serves as the Medical Director of the EMT program at Clackamas Community College. 

Anne Hoffman

Anne Hoffman, RN

Operations Manager

Anne Hoffmann manages all operations of Doctors Express Portland clinics. Anne has a rich and varied background in healthcare. She is a Registered Nurse with licenses in AZ and CA (OR pending) and a certified professional coder and audit specialist.  After about 15+ years in various billing and clinical roles in various healthcare organizations she joined Ernst & Young as a Healthcare Management Advisor where she helped many practices with clinic management, billing and compliance. After that she joined Kaiser Pemanente in California as their National Director in Revenue Cycle, and then moved to Oregon in a senior role at Kaiser Northwest. In her free time Anne loves to cook and makes most of her own jewelry. She is passionate about her community and giving back.

Providers

Dr. Tracey Columb

Dr. Tracey Columb

Dr. Columb is a graduate of Indiana University School of Medicine. She is Board Certified in Family Medicine with an interest in women’s and children’s health, sports medicine, travel medicine and underserved populations. Dr. Columb has experience in several different settings providing comprehensive medical services to the entire family. She spent the last 3 years as a  family physician providing inpatient, outpatient and emergency care in Sitka, Alaska. Her interests include volunteering with Floating Doctors (a non profit medical relief organization) in Bocas del Toro, Panama.

Bryan Copas

Bryan Copas

Physician Assistant

Bryan Copas is a nationally certified Physician Assistant with more than 20 years of experience in Emergency, Urgent Care and Occupational Medicine.  His medical education started when he joined the Army in 1989 and served as a Field Medic in Texas, Germany, Saudi Arabia, Iraq, and California.  After an honorable discharge and working as an EMT in the emergency department at St. Luke’s Hospital in St. Louis, Missouri, he graduated from Central Missouri State University with a Bachelor of Science in Biology and minor in Chemistry.  

Bryan was promptly accepted to the Saint Louis University Physician Assistant Program and since graduating in 2002, he has been a licensed and nationally certified Physician Assistant practicing Emergency, Urgent Care and Occupational Medicine in Illinois, Missouri, Colorado and now Oregon.  He brings a unique perspective to Doctors Express because of his varied experiences and fund of knowledge.  He is an empathetic and compassionate health care provider that brings a high level of discipline, focus and professionalism to everything he does.

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Dr. Sue Lewis

Dr. Sue Lewis has been a primary physician since 1997. She is a graduate of OHSU and is Board Certified in Internal Medicine. She enjoys providing the full scope of primary care services with a particular interest in women’s health care. Dr. Lewis believes in a holistic approach to medicine and feels that a patient’s emotional well being is closely tied to their physical well being. She is also a believer of preventative medical care in order to maximize her patient’s health and well-being. Dr. Lewis especially loves caring for families. Her hobbies include traveling, music, reading and quilting.

Headshot: Ken Melvin

Dr. Kenneth Melvin

Dr. Ken Melvin’s interests are in Internal Medicine and Urgent Care. Dr. Melvin received his undergraduate degree from University of Oregon and his medical (and surgery) degree from Otago University Medical School in New Zealand.

He further received specialty training in pulmonology at England’s St Thomas Hospital and in Emergency Medicine at the Royal Infirmary in Edinburgh, Scotland. He then returned to complete residency training and Board Certification in internal medicine in 2003 at the St. Vincent Hospital in Portland and had been in private practice until August of 2012, when he decided to join the Doctors Express team.

Dr. Lou Perretta

Dr. Lou Perretta

Dr. Perretta is an experienced Emergency Physician who has seen the value of Urgent Care centers in helping patients with acute medical problems get care quickly and efficiently. He believes Doctors Express, in particular, is able to provide this care in a calm and caring setting. More importantly this care is comprehensive – with onsite labs and X-rays – yet only costs a fraction of the expense that a busy hospital Emergency Department will charge.

As Medical Director he oversees all of the daily operation of the centers in Portland. Dr. Perretta has been practicing Emergency Medicine in the Portland medical community for the past 25 years. He has worked at the Legacy Good Samaritan Hospital as well as the Kaiser Sunnyside hospital. Dr. Perretta graduated from the University of Rochester School of Medicine and completed his residency at the University of Illinois in Chicago.

He has served as the Medical Director of EMS for Columbia County in Oregon and currently serves as the Medical Director of the EMT program at Clackamas Community College. 

Bill Princen

Dr. William Princen

Dr. Bill Princen has been an Emergency Medicine physician for the past 35 years, practicing mainly in rural hospitals on the Oregon Coast.

He received his Bachelor of Science degree in Biology from Lewis & Clark College in Portland and his Doctor of Medicine degree from Oregon Health & Science University in Portland. He did his Internship in San Francisco. He was Board certified in Emergency Medicine in 1984. 

He has taught college EMT and Nurse training programs and ran a county-wide Emergency Medical Service. He has traveled worldwide as a cruise ship physician.

He is the father of four, and his youngest are twins.

His interests, when he is not seeing patients at Doctors Express, are writing, photography, woodworking, nature, and travel.

Vandana Rana

Dr. Vandana Rana

Dr. Rana has been practicing medicine since 1987.  Her clinical interests span urgent care, primary care and public health.  Dr. Rana received her medical degree from the Government Medical College in Aurangabad, India.  She did her post graduate work and residency at OHSU in public health and Preventive Medicine.

Her philosophy of practice is to treat each patient as you would treat your own family.  Dr. Rana loves the friendly environment, teamwork and compassionate care patients receive at Doctors Express.

Art Ticknor

Dr. Arthur Ticknor

Dr. Art Ticknor practices medicine at Doctors Express and One Community Health in the Columbia Gorge. Prior to moving to Oregon Dr. Ticknor practiced medicine in upstate New York for 12 years.

He received his undergraduate degree in Philosophy from Colgate University and his M.D. from the University of Rochester in Rochester, New York. He completed a residency in Family Medicine in Rochester. Dr. Ticknor was a Peace Corps volunteer in Senegal for two and a half years.

Dr. Ticknor enjoys working with families of all shapes and sizes – and believes in the importance of creating long-term relationships with patients based on trust. A father of three, he is a fan of the Buffalo Sabres hockey team, and enjoys studying U.S. history, swimming, hiking and skiing.

Clinic Managers

Katy Jenkins

Katy Jenkins

Katy came on board Doctors Express in 2011 after completing her externship at our Lake Oswego center. She loves the friendly environment, teamwork and compassionate care patients receive at Doctors Express.

Katy is looking forward to helping Doctors Express grow and add more locations in the near future.

She is now the Assistant Manager of the NW Portland center.

Heather Ramey

Heather Ramey

After working the last few years with a larger company as the supervisor of multiple Oncology clinics, Heather joined our team in 2014. She enjoys the atmosphere, teamwork, and patient care that Doctors Express provides. In her free time, she enjoys spending time with her family, camping, traveling, and cooking.

Lead Medical Assistants

Amanda Pinard

Amanda Pinard

After graduating high school in 2009, Amanda began attending PCC before transfering to Pioneer Pacific College. She began her medical career with medical assisting courses for a year before advancing to limited x-ray and associate classes. She began as an extern with Doctors Express before being hired on as a full time employee three months later. After a year and a half Amanda still loves the challenge of the work, and the opportunity to practice with a diverse array of medical needs.

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Ashlee Crawford

Ashlee attended Concorde Career College in 2013 to become a Medical Assistant. Shortly after her ex-tern she was hired on at the Doctors Express NE Clinic. in 2014 she was promoted to become the Lead Medical Assistant. Ashlee Continues to Advance in her Medical Career, just recently completing her Limited X-Ray Certification at Pioneer Pacific College.

Cindy Farfan

Cindy Farfan

Cindy began working in the medical field in 2011. After completing her externship with Doctors Express, she continued to learn alongside her co-workers and providers in delivering exceptional care for patients.

Cindy enjoys working in an urgent care setting, due to the variety of injuries, and ailments that patients present with. She hopes to continue expanding her knowledge and growing with Doctors Express.

John McKey

John McKey

After a distinguished military career – where he served in many operations and earned a Commendation medal from the Governor of California – John decided to go back to school to follow his calling to be in healthcare.

He earned his Associate in Science, Certification in Medical Assisting, Certification as a Phlebotomy Technician, and a licensed Limited X-Ray Tech from Pioneer Pacific College, graduating #1 in his class. John is currently enrolled at PSU as an undergraduate in the Pre-Med program.