Our Clinics
NHC Tanasbourne Medical & Dental Clinic

At NHC Tanasbourne Medical and Dental Clinic, you will receive patient-centered, community-minded care no matter your ability to pay or your current state of wellness. This collocated NHC clinic in Hillsboro, Oregon offers team-based care for patients of all ages.
Clinic Info
NHC Tanasbourne Medical & Dental Clinic
Hours of Operation
Monday – Friday: 7:00AM – 6:00PM
Saturday and Sunday: Closed
Clinic Rating: 4.7
This clinic has an average provider rating of 4.7 out of 5. The provider ratings used in this average are given to us by a third-party organization that randomly surveys NHC patients. We work hard to improve the patient experience, and feedback is important to our continual improvement process. Learn more about how and why we collect clinic ratings and patient comments.
After Hours Advice Line
A nurse triage service is available after hours for patients in need of clinical advice. Call (503) 848-5861.
For prescription refills of your current non-narcotic medications, please call back during business hours. Please note it may take up to 72 hours to process a medication refill. Any new medications or narcotic medications require an in-person visit with your provider before filling. If you cannot wait for a prescription refill, please visit an urgent care facility in your area.
How to Find Us
This clinic is on the Providence Tanasbourne campus, in building C. The number 10690 can be seen at the top of the building above the large, covered entrance. Use the elevator to get to the 2nd floor. Go left out of the elevators and straight back to the end of the hall to the clinic.
Taking the Bus?
This clinic is located close to the NE Cornell & 106th Stop for the 48 Bus and the NW 185th & NE Cornell Stop for the 52 Bus.
You can plan your trip at trimet.org/home/planner.
Transportation Assistance
If healthcare transportation is a problem, 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 refunds 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
Patients with ODS (Delta Dental/MODA OHP): visit Ride to Care or call 503-416-3955. (Note that your ODS coverage could be through Healthshare, Trillium, and Columbia Pacific.)
Our Team

Aberash (Abbie) W. Assefa, MSN, ARNP, FNP-BC
Family Nurse Practitioner

Brooke Bachelor, DO
Family Physician

Rebekah Bartholomew, PharmD
Clinical Pharmacist

Rachel Broderick, RDH, EPDH
Dental Hygienist

Ellory Busch, DDS
Family Dentist

Androuw Carrasco, MD
Family Physician

Janice Constantino, MA, LPC, CADC 1
Behavioral Health Consultant

Celeste Craven, FNP
Family Nurse Practitioner

Carolyn Emerick, MD
Family Physician

Kristen M Gallaway, RDH, EPDH, BSDH
Dental Hygienist

Eddy Garcia, PA
Physician Associate

Jonathan Hall, DMD
Family Dentist and Chief Dental Officer

Soze Jabbary, RDH
Dental Hygienist

Mahkameh “Maggie” MehdianRad, PA-C
Physician Associate

Anna Mikulic, MD
Family Physician

Amanda Miller, MPAS, PA-C
Physician Associate and Medical Director of Informatics

Robyn Pham, FNP
Family Nurse Practitioner

Sakura Porter, PharmD, BCACP
Clinical Pharmacist

Carli Simkins, EPDH
Dental Hygienist

Tove Silver, WHNP, AGNP
Women's Health And Adult Gerontology Nurse Practitioner

Talia Staiger, DMD
Family Dentist

Becky Torres, MSW
Behavioral Health Associate

Tuan Tran, DMD
Family Dentist

Ann G. Tseng, MD, MBA
Family Physician and Chief Medical Officer

Emily Viggiano, MD
Pediatrician
Contactless Pharmacy Locker
Did you know that NHC pharmacy patients can pick up their prescriptions at NHC Tanasbourne Medical and Dental Clinic? At this clinic, we have a contactless prescription locker where NHC pharmacy patients can pick up prescriptions without waiting in line at the pharmacy. If you'd like to get your next prescription refill here, let your NHC pharmacist know you'd like to switch the pickup location to the Tanasbourne locker.
The locker is open Monday, Tuesday, Thursday, and Friday, 9am to 5:45pm, open Wednesday 10am to 5:45pm, and closed for lunch from 12 to 1pm.