Healthcare designed to meet your needs as a patient and a person

Tired of assembly-line doctor visits? Join GreenField Health, a primary care clinic that partners with you to be healthy and live vibrantly.

Become a member—an Intel benefit at no cost to you—of a practice rooted in the values of relationship, service, and reliability.

Become a Member

Or give Mary Johnson, our Client Relations Manager a call directly at 503-384-2036 to get set up today! 

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GreenField is a great combination of personalized care, convenience and competence. The physicians and staff know me, know my history. I frequently get responses to questions while I’m in the airport or after hours.
Imad Sousou, Intel VP and General Manager, Open Source Technology Center; patient since 2004

GreenField’s system is more in-line with the way I work. I can communicate with my doctor by email, telephone or a face-to-face meeting. I use the system that works best, which equals increased efficiency for everyone.
Enrique Castro-Leon, Intel Technology Strategist; patient since 2008

I have been amazed at the amount of time and interest the doctors at GreenField show in their patients. When I go into the office, I am not a disease. I am a person. It is the most responsive and humanizing medical care I have ever received.
Laurel J. Forbes, Intel Technology Engineer; patient since 2003


Benefits of Membership

As a member of GreenField Health, you enjoy a deeper relationship with your clinician, greater access to care, and overall better healthcare.

Ready Access

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Quality Time

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Trustworthy Team

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Expert Guidance

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Convenient locations for Intel employees

GreenField has two offices: the Westside office is located on Barnes Road, near Providence-St. Vincent; the Eastside office is in the Lloyd District at 700 NE Multnomah.

Call: (503) 384-2040

GreenField Clinicians

Sagar Shah, MD, MPH

Family Medicine
Westside

Sagar believes that a strong partnership with his patients is vital to making healthful decisions. He first seeks to understand what matters most to each of his patients and then forms a joint health plan with them at each visit.

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Kristina Brown, DO

Family Medicine
Eastside

I believe the patient is the center of the health care team, and I am here to help guide, navigate, and provide some insight.

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Michael Chen, MD

Family Medicine
Eastside / Westside

Continuity of care, taking care of people of all ages, preventative medicine, and practical medicine is the foundation of my practice philosophy.

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José Enriqué Guillen, PA-C

Family Medicine, LGTBQ Care
Eastside

I work with patients to find healthy and sustainable treatments for their medical problems and help them build a wealth of knowledge to minimize further issues.

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E. Daniel Crawford, MD

Family Medicine
Westside

"I believe medicine should provide a sense of well-being, to my patients, colleagues, staff and the community at large," says Dan. His calm demeanor comes from someone who has a wealth of experience as a doctor, from treating everyday concerns to managing acute crises.

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Cheston Wong, PA-C

Internal Medicine
Westside

I am excited to collaborate with my patients to improve their lives from a multidisciplinary approach. I value the importance of establishing and maintaining robust relationships with my patients and believe that such partnerships allows for the delivery of informed and appropriate healthcare.

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Leesa M. Azar, MS, MD

Internal Medicine
Westside

Being a doc is a hard job, but what keeps me going is knowing that I’ve helped someone. This is the greatest reward, knowing I’ve saved a life, improved someone’s life, or made them feel better. My long term patients are like friends and family members. I’m always happy to see them, and these relationships are an important part of my life. I never want to retire, and hope that I will be able to live up to the promise I’ve made to many patients, that I never will.

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Melanie Doak, MD, FACP

Internal Medicine
Westside

I love being a primary care doctor because I can develop long-lasting relationships with my patients, which is immensely rewarding.

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Paula Koeller, MD

Adolescent Medicine
Westside

I enjoy working with adolescents and young adults. This age group is not always given the attention necessary by health care, and it's my goal to have a practice that understands their needs.

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Erin Shah, RD

Registered Dietitian
Westside

Erin believes that there’s nothing more important or rewarding than establishing a trusting connection with her patients so that she can assist with reaching their total health goals.

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We are committed to helping you improve your health

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The Latest

Health Matters is Back!

Health Matters is Back

We are happy to announce that GreenField’s monthly newsletter Health Matters is back.


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