Cascadia Eye History

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As Cascadia Eye has evolved through the years into a thriving, connected vision center, focusing on bringing the latest technological advances to every aspect of your eyes, it hasn’t lost its family-friendly heart.

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Dr. Nannette Crowell


Founding ophthalmologist Dr. Nannette Crowell opened her practice in Sedro-Woolley with the vision to serve her neighbors with more than just eye care, but as a partner in the community as a whole. Sheri Saldivar, her first employee, still oversees Cascadia Eye as CEO and continues to further this purpose today.

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North Cascade Eye Clinic

First full-service vision care clinic in the Skagit Valley

The growing clinic was renamed North Cascade Eye Associates and added its first optical department, becoming the first full-service vision care clinic in the Skagit Valley. Now patients could find complete eye care and eyeglasses in the same location, during an easy and seamless visit.

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C Dan Siapco MD
C. Dan Siapco MD

Dan Siapco, MD

Dr. Dan Siapco, doctor/owner, was still in his last year of residency. But his reputation preceded him as a skilled surgeon, and Dr. Crowell was so impressed (and the practice was such a perfect fit for him) that she signed him on a year before he graduated. Since then, he has been highly praised in our local community and abroad as an outstanding surgeon. He specializes in cataract surgery. Ask him about dropless cataract surgery and premium full-range vision lens innovations.

Dr. Siapco actively cares for people’s vision worldwide, serving with family on yearly mission trips with Eyewitness Missions. He is passionate about performing Christian music with his band. Click HERE for his full biography.

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Mount Vernon Office Exterior

Flourishing in a new office

Cascadia Eye built a brand-new main office, centrally located in Mount Vernon, and fitted it with state-of-the-art equipment, an extensive optical store, and extra room to grow.

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North Cascade Surgery Center Exterior view

Enter the Eye Associates Surgery Center

The first surgery center in Skagit County completely dedicated to eyes. The doctors invested in the latest technology for their procedures – cataract surgery, LASIK surgery, and more – and met the rigorous requirements to be fully certified by both Medicare and AAAHC (which assures quality and safety.)

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Stanwood Cascadia Eye Front

Adding a Stanwood office

In 2009, Cascadia Eye opened a new office in Stanwood offering the first ophthalmology care to the community and welcoming Maria VanNurden to provide primary eye care to the people of Stanwood/Camano. Later, Dr. Epley, our beloved pediatric specialist, moved from our Mount Vernon location to this location to offer subspecialty ophthalmology care

*In 2021, we moved from the original location near QFC to our new building at 8718 270th NW pictured here.

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Dr. Carlindo Pereira

Introducing Carlindo Pereira, MD

Dr. Carlindo Pereira, doctor/owner, joined Cascadia Eye’s team as Skagit Valley’s first cornea specialist and surgeon. He quickly gained a reputation as a kind, thorough expert on all aspects of the eye, and became the practice’s third full partner in 2012. He also performs state-of-the art cataract surgeries on complex cataract cases.

Personally, Dr. Pereira and his family travel worldwide, offering surgical vision care through Eyewitness Missions and here locally as well. Click HERE for his full biography.

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Cascadia Eye Logo

New names for the vision care practice and surgery center

Cascadia Eye:

After 30 years in practice, the practice adopted its current name. “Cascadia” reflects the independence movement and celebrates the connection and strong sense of place within the Pacific Northwest.

Cascadia Surgical Logo

Cascadia Surgical:

To emphasize dedication to our local independent Northwest neighbors, and to celebrate the ability to provide fully comprehensive vision care and surgery to all patients, our ambulatory surgery center formally declared its surgical passion and love for patient care with its new name.

With so many years of love for our local community stretching behind us, Cascadia Eye and Cascadia Surgical both want to reflect this uniquely Northwestern spirit.

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Cascadia Eyewear Logo

High quality, chic, yet inexpensive eyewear

CEO Sheri Saldivar, frustrated at the ever-rising cost of frames and watching patients go online or to discount stores for eyewear, founded Cascadia Eyewear to design and sell quality, stylish frames at a much more reasonable cost than big companies offer.

You may purchase Cascadia Eyewear glasses (in addition to the popular big brands) here at Cascadia Eye. Prices start at $100 for frames and lens. Click HERE to view Cascadia Eyewear’s collections.

Whidbey Office Exterior

Whidbey Island, a new vision

When peer and friend, Dr. Mequio, decided to sell the Whidbey Eye Clinic, Cascadia Eye jumped at the opportunity to serve patients on Whidbey Island. The Whidbey clinic, located in Coupeville, is dedicated to providing comprehensive eye care, conveniently enabling patients to see their pacific paradise with the crispness and clarity they deserve.

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Bellingham front desk

Our Haven in Fairhaven:

After years of requests from Whatcom residents, we expanded to Fairhaven, in Bellingham. We love being in beautiful Bellingham, where the spirit of Cascadia is embedded into the landscape.

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Dr. Crowell

Founder retires

Retirement Party

Dr. Crowell retired in the spring of 2020. Cascadia Eye will miss her leadership, extensive medical skills, and dedication to her patients.

Although she misses the interactions and friendships she has built with her patients and staff, she enjoys having time to travel more, kick up her heels at her Scottish country dance club with her husband, Dr. Rodney Brandt, to cook healthy meals, and paint.

Cascadia Eye history 35 years

Celebrating 35 years in the community:

Cascadia Eye celebrates 35 years in business in 2020 and our staff feels privileged to look back on a long history of dedicated local care and appreciation to our neighbors, valued patients and friends who have allowed them to be a part of our lives.

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Charles Maddux, MD
Charles Maddux, MD

Expanding leadership:

Dr. Charles Maddux became a partner and joined Cascadia Eye’s ownership team. Dr. Maddux is a talented ophthalmologist and eye surgeon with a special interest in cataract surgery, as well as refractive lens and retinal care. Because of his friendly, accessible manner and meticulous skillset, he is a favorite with patients.

Dr. Maddux loves hiking, kayaking, scuba diving, and snowboarding. He also enjoys spending time in the outdoors with his wife, Cynthia, and his two dogs, Kona and Umbo. Read his full biography HERE.

Cascadia Eye Whidbey front desk
Welcome to Coupeville

Services down the street

Our Coupeville clinic committed to putting down roots in beautiful Whidbey Island and purchased a new building on Main Street, just two blocks east of our original location. The space has a welcoming, modern and cozy feel and more capacity to serve our cherished patients. Cascadia Eye remains your friendly, local comprehensive eye care clinic and optical center.

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Cascadia Eye merges with Whidbey Vision Clinic

Stretching out on the island

When Whidbey Vision Clinic approached us with a proposal to merge, Cascadia Eye gladly agreed to unite our vision care teams. We are committed to bringing full-service eye care to Whidbey Island and were thrilled to integrate Whidbey Vision’s “Best of Whidbey” reputation with our passion for providing the Island’s best vision care. Cascadia Eye will continue to serve all your eye care and optical needs in Oak Harbor’s neighborhoods and our local military community.

Cascadia Eye serves our valued patients from five locations…

…with skilled physicians:



Contact Cascadia Eye

If you would like to learn more, or if you would like to schedule an appointment or consultation with our talented doctors at Cascadia Eye, please contact us today or use our online scheduler. You may also pre-shop for glasses at our online pre-shopping page any time. Our entire team is committed to protecting and improving your vision and the health of your eyes. We are happy to answer any questions you might have!

In addition, join us on FacebookInstagram or YouTube to ask your questions about eyes, exams, and our practice. We’d love to hear from you – and there might be a blog to address your questions in the future.

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