Main Office: 503.224.1371 | Hours: Mon-Fri 8:00 AM - 5:00 PM PST

LEADERS IN ORAL & CRANIOFACIAL SURGERY

When it comes to your health, it’s important to have confidence in your physicians. As the Northwest’s most specialized medical and surgical practice, we have over 25 years of experience providing unmatched care to our patients. Now that’s something to be confident about.

Medical Services

We’ve dedicated our professional lives to mastering medical procedures involving the head, neck and craniomaxillofacial areas. We’re committed to offering our patients the most specialized, up-to-date, and comprehensive care possible.

Oral Surgery

We’ve taken our training as dentists & oral surgeons a step further. By earning medical degrees and completing residencies in oral and maxillofacial surgery, our knowledge of oral conditions and associated diseases is unparalleled.

OUR TEAM

  • Dr. Eric J. Dierks
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    Eric J. Dierks M.D., D.M.D., F.A.C.S., F.A.C.D, F.R.C.S.(Ed) A founding partner of HNSA, Dr. Dierks earned his medical and...
  • Dr. R. Bryan Bell
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    R. Bryan Bell M.D., D.D.S, F.A.C.S. Dr. Bell is a fellowship-trained head and neck oncologic/oral and maxillofacial surgeon whose...
  • Dr. Allen Cheng
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    Dr. Allen Cheng M.D., D.D.S., F.A.C.S Dr. Cheng earned his medical and dental degrees at the University of California,...
  • Dr. James P. Cuyler
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    James P. Cuyler M.D., F.R.C.S.C. Dr. Cuyler was born and raised in Canada and earned his medical degree at...
  • Dr. R. Sterling Hodgson
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    R. Sterling Hodgson M.D. Dr. Hodgson, a native Oregonian, and second-generation otolaryngologist received his Bachelor's degree in Biology from...
  • Dr. Ashish A. Patel
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    Ashish A. Patel M.D., D.D.S., F.A.C.S. Dr. Patel earned his dental and medical degrees from New York University. Following...
  • Dr. Melissa S. Amundson
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    Melissa S. Amundson D.D.S. Dr Amundson received her dental degree at University of Illinois. She completed her residency in...
  • Christina Fratangelo
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    Christina Fratangelo C.R.N.P., D.N.P. Christina Fratangelo is an Acute Care Nurse Practitioner new to HNSA.  She graduated with a...

OUR SERVICES

Oral Surgery

Our world-renowned oral surgeons have deep experience in all types of oral surgery procedures Learn more.

Head & Neck Surgery

As a main part of our practice, our cancer center is nationally-known for excellent care and cutting-edge treatments when cancer strikes.

Dental Implants

Whether you are missing all or just some of your teeth, due to dental disease or trauma, dental implants offer a permanent replacement for natural teeth.

Facial Trauma

Reconstructive surgery is typically a multiple surgery process. With our combined head, neck & oral surgeons, you’ll find everything you need under one roof.

Recent News & Posts

  • From Our Patients

    “We were very impressed with how thorough Dr. Cheng was at the consultation. He spent a substantial amount of time answering questions. The entire staff was awesome. On the day of surgery, the clinical staff did a wonderful job of making me feel less stressed about the procedure.”

    Jill C. ,
    Mother of Patient

  • From Our Patients

    "I was impressed by the professionalism of the caring staff; I felt they went above and beyond for me." 

    Charlotte Galbraith,
    Oral Surgery Patient

  • From Our Patients

    "My experience with Head and Neck was awesome. While the procedure was one of the most difficult experiences of my life, the staff at Head and Neck were very accommodating. The outcome was as expected, no surprises, everything turned out great!"

    Timothy Webb,
    Dental Implant Patient

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