Our Clinics
NHC Oregon City Medical Clinic

At NHC Oregon City Medical Clinic, you will receive patient-centered, community-minded care no matter your ability to pay or current state of wellness. This clinic located in Oregon City, Oregon offers team-based care for patients of all ages.
Services offered include primary care, family medicine, preventative care, chronic care management, behavioral health and mental health support, nutrition education, and prescription support. We also offer trusted referrals for patients in need of specialty care.
Call Us With Your Questions or to Make an Appointment
Clinic Info
NHC Oregon City Medical Clinic
Hours of Operation
Monday – Friday: 7:00AM – 6:00PM
Saturday and Sunday: Closed
After Hours Advice Line
A nurse triage service is available after hours for patients in need of clinical advice. Call (503) 656-9030.
How to Find Us
This medical clinic is located on Molalla Ave., however, the entrance and parking lot is off Pleasant Ave. If you are heading north on Molalla, you will not be able to turn left onto Pleasant Ave. Instead, you will need to drive past the clinic and take the first left which will be Pleasant Ave. Drive up Pleasant Ave a short distance to turn into the clinic.
Taking the Bus?
This clinic is close to the Molalla & Mountain View Stop for the 32 and Oregon City Shuttle buses.
You can plan your trip at trimet.org/home/planner.
Transportation Assistance
If transportation is an issue, healthcare transportation assistance may be available. Call the clinic or talk to a receptionist for help. Some insurance plans cover the cost of transportation to and from the clinic. Bus passes, gas cards, or other reimbursements for travel to and from the clinics, may also be available.
- Health Share of Oregon: Visit Ride to Care
- Trillium: Visit MTM Transportation
- OpenCard: Call Tri-County Med Link, 866-336-2906
- Columbia Pacific: Visit NW Rides
Our Staff

Maxwell Cohen, ND
Education: N.D. National University of Natural Medicine, Portland, OR | Residency at the National University of Natural Medicine, Portland, OR
Experience: Completed residency in integrative primary care
At NHC: I inform and educate patients on the importance of preventative healthcare with an interest in diet and lifestyle medicine and practice evidence-based integrative medicine
My Clinic: Oregon City Medical
What I do for Fun: Bike, go backpacking, photography, and spend time with family

Otuodita “Dr. E” Ejiasa, MD
Education: M.D. University of Pittsburgh, Pittsburgh, PA
Experience: Over 12 years of experience in healthcare, including eight years of work in urgent care services, primary care services, and family medicine; additional experience designing and crafting grafts for spinal, joint, and reconstructive surgery; 2018 Portland Monthly’s Top Doctor
At NHC: I provide primary care services to patients of all ages, backgrounds, and current states of wellness
My Clinic: Oregon City Medical
What I do for Fun: Cook, bake, travel, participate in outdoor sports, and read

Brittney Griggs, PA
Education: M.M.S. Saint Francis University, Loretto, PA | Certificate in Physician Assistant Studies Red Rocks Physician Assistant Program, Lakewood, CO
Experience: Experience with a variety of patients from diverse backgrounds, ethnicities, sexual orientations, and gender identities
At NHC: I provide primary care services to patients of all ages, backgrounds, and current states of wellness
My Clinic: Oregon City Medical
What I do for Fun: Read on rainy days, puzzle, golf, and go hiking

Catherine Kateley-Williams, MA, LPC, CADC1
Education: M.S. Pacific University, Hillsboro, OR | Licensed Professional Counselor | Certified Drug and Alcohol Counselor
Experience: Practicing counseling since 2015, with specialized training in mediation of group conflicts, gerontology work with end-of-life preparation, behavioral therapy, psychoeducation, motivational interviewing, and cognitive behavioral therapy
At NHC: I provide Behavioral Health services to diverse populations, including pregnant women and women postpartum suffering from addiction, victims of trauma, individuals who experience homelessness and mental health disorders
My Clinic: Oregon City Medical
What I do for Fun: Read, sew, and volunteer at Portland’s various anime conventions

Erin Lingenfelter, FNP
Education: M.S.N. University of Indianapolis, Indianapolis, IN
Experience: Six years’ experience in an inpatient setting at IU Health Methodist Hospital in Indianapolis
At NHC: I provide primary care services to patients of all ages, backgrounds, and current states of wellness
My clinic: Oregon City Medical
What I do for Fun: Enjoy the Pacific Northwest through hiking and skiing, eat great food, and travel
I absolutely recommend this clinic, and my husband and nephew also go here. Erin Lingenfelter is our Family Nurse Practitioner and she's AMAZING! This clinic has everything you'll need and we've been so impressed with Erin's care for all of us.