NHC Milwaukie Medical Clinic

At NHC Milwaukie Medical Clinic, you will receive patient-centered, community-minded care regardless of your ability to pay or current state of wellness. Our services include:

  • Primary Care
  • Family Medicine
  • Preventive Care / Annual Physicals / Well-Child Exams / Screenings / Vaccines
  • Chronic Care Services
  • Behavioral Health / Mental Health Services

Additional health education services include disease prevention, diabetes management, nutrition guidance and prescription reconciliation focused to meet each patient’s particular needs. We also offer referrals for patients in need of specialty care. Whatever your situation, NHC’s dedicated team of healthcare professionals will work to develop the right treatment plan for you.

10330 SE 32nd Ave, Ste 325
Milwaukie, OR 97222
Hours of Operation:
Monday, Wednesday, Thursday and Friday: 8:00 AM – 5:00 PM (closed 12:00 pm – 1:00 pm for lunch)
Tuesday: 7:00 AM – 6:00 PM
Saturday and Sunday: Closed
If the clinic is closed and you are in need of clinical advice, please dial 503-416-1960 and request to speak with the on-call provider.
Please note:  All clinics will be closed on Friday, Dec. 24 and Friday, Dec. 31, 2021 for the holidays.


Our Staff

Samantha Abbott, FNP

Samantha Abbott, FNP Samantha holds a Master of Science in Nursing from Vanderbilt University in Nashville, Tennessee; and a Bachelor of Arts in Liberal Studies from Portland State University. She has clinical experience with primary care services, urgent care services, pediatric primary care services, and in-home pediatric asthma services. Samantha specializes in gender affirming hormones for transgender people desiring this service, as well as Hepatitis C treatment. She has been an advocate for Right 2 Dream Too, a shelter run by houseless people for houseless people; and Trans-Buddies, a Vanderbilt program that sends trained advocates to provide emotional support to transgender patients during healthcare visits to ensure that they feel safe and their voices are heard. As an Executive Director and birth doula at PDX Doulas, Samantha helped create a positive birth experience for families at OHSU. Outside of healthcare, she is interested in cooking, gardening, running, and spending time with her family and friends, dogs, and chickens. Samantha provides services in our Milwaukie Clinic.

Christine Arthur, MD

Christine Arthur, MDDr. Arthur attended Oxford Medical School and graduated in medicine and surgery at the University of Oxford in England. She interned at Waterbury Hospital in Connecticut before moving to the Pacific Northwest to complete her psychiatric residency at OHSU in Portland. She has over 40 years of experience as a psychiatrist in private practice, at Kaiser Permanente NW region, and community mental health clinics around the metro area and the state. She has worked as a psychiatric consultant to primary care clinics in Portland, and has experience treating mental health and substance use disorders using medications, therapy and education. In her free time she enjoys gardening, flower arrangement, reading Scandinavian noir mysteries, and working on improving environmental health. She is a folk singer and composer of many songs, which celebrate nature, Earth-centered traditions, the seasons, and support all human rights (especially women’s rights).

Gregory Guffanti, MD

Gregory Guffanti, MDGregory earned a Doctor of Medicine from Jefferson Medical College of Thomas Jefferson University in Philadelphia, Pennsylvania in 2010 and completed his Family Medicine Residence at Oregon Health and Sciences University (OHSU) in Portland, Oregon in 2013. Gregory also holds a BA in Economics, with a minor in Chemistry from Brown University in Providence, Rhode Island. Previously, Gregory was the Chief Resident at the OHSU Family Medicine Residency Program and is a Clinical Instructor for OHSU. He is a “Reach Out and Read” Certified Instructor and volunteers his time to train providers to utilize the program’s format to promote early childhood reading. Greg provides patient care in our Milwaukie Clinic.

Claire Kinnison, MSN, FNP-C

Claire Kinnison, MSN, FNP-CClaire holds a Master of Science in Nursing from Yale University School of Nursing, New Haven, Connecticut; and a Bachelor of Arts in Psychology from Smith College, Northampton, Massachusetts. Claire has over 5 years of experience in the healthcare field, including 1.5 years in community health. She has clinical experience with pediatric anesthesia, pediatric orthopedic surgery, geriatric care services, primary care services for correctional institute inmates, in-home patient care services and camp nurse for children 8-15. Claire has traveled internationally pursuing her interest in healthcare, including working in Nicaragua, Uganda, and South Africa. Claire’s personal interests include running, cooking and traveling.

Ucheoma “Uche” Nwizu, PharmD

Ucheoma “Uche” Nwizu, PharmDUche holds a Doctor of Pharmacy from the University of Colorado, Skaggs School of Pharmacy and Pharmaceutical Sciences in Denver, Colorado, and a Bachelor of Pharmacy from the University of Benin, School of Pharmacy in Benin City, Edo State, Nigeria. Uche has over 10 years of experience providing culturally sensitive pharmaceutical care to underserved and high-risk patients. She is currently involved in standardizing medication reconciliation processes, providing recommendations for optimal use of medications to clinic providers and collaborative drug therapy management of disease conditions like diabetes, hypertension, dyslipidemia and tobacco use disorder. In her spare time, she enjoys running and hiking with her family. She provides clinical pharmacy services in our Milwaukie and Canby Clinics.

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