• To serve our patients in a courteous, professional and kind manner treating them with dignity and respect.

  • To let our patients know they are valued, and to develop long term relationships with our patients.

  • To offer the best possible medical care with minimal discomfort.

  • To promote regular preventive care so our patients can enjoy a lifetime of good health.​


Cascade Family Medicine, P.S. was founded in 1988 by Lawrence E. Foltz, D.O. and his wife, Erma who is also a registered nurse. Dr. Foltz was excited to return to the Northwest after his medical training, having been born and raised in Portland, Oregon. He was one of the first Osteopathic Physicians privileged to practice medicine in Vancouver, WA.  He and Erma decided to open a private practice so that he could have the ability to practice medicine how he wanted to - caring for patients in a personalized manner.

Cascade Family Medicine P.S. is a family owned, family centered office, created to provide personal care in a smaller setting. We enjoy caring for the entire family unit, infants to adults, and some of the 'first patients' to the practice are still around.

In 2008, Sherilyn Foltz-Cook, D.O., his youngest daughter, finished her medical training as an Osteopathic Physician, and joined Cascade Family Medicine P.S.  He is proud to have her working with him to serve the community.  Together, their goal is to promote healthy choice, provide education on individual health, and to create a comfortable and family-friendly atmosphere for patients of all ages!





Adult, female, teen, and pediatric preventive exams including full skin exams, immunizations and discussion on current screening recommendations 

Functional and Nutritional Medicine


Personalized, holistic medicine encompassing collaboration between physician and patient working together to prevent, or address underlying causes of disease. Comprehensive testing applied as needed to assess metabolic, hormonal and nutritional needs

FAA and INS Exams


FAA Class 1, 2 and 3 Exams

U.S. Citizenship and Immigration Services (USCIS)

Diagnostic Exams


Blood draws for laboratory evaluations,

EKGs, spirometry, urinalysis, pregnancy, influenza and strep testing

Minor Outpatient Procedures


Skin biopsies, Lesion removal (skin tags/unwanted moles), Cryotherapy (warts/pre-cancerous lesions), Laser treatments for acne, pigmentation and anti-aging



Years of Experience


Happy Patients


 Awesome Employees




 "Wow, super friendly, super fast, and highly knowledgeable! Will set up my entire family for here. Awesome place! All I really can say  is WOW. And that says a lot."

"I love this office! Kris at the front office is always super nice and professional, the nurses are good and Dr. Foltz-Cook is excellent. She listens to what I have to say and dedicates time to any issue addressed. I saw their physician assistant a few times and she is awsome. Very nice and friendly. "

"When it's really fun to go see the Doctor, which it is here, you know they are TERRIFIC! Our family has been trusting them for 25 years."




16500 SE 15th Street

Suite 100

Vancouver, WA  98683

P: 360-254-4402 F:360-892-9241


Monday 8:00am to 5:00pm

Tuesday 8:00am to 5:00pm

Wednesday 7:00am to 3:00pm

Thursday 7:00am to 5:00pm

Friday  8:00am to 3:00pm

Saturday and Sunday Closed


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