About Emma Jean Patterson, MD
Emma Jean Patterson practices bariatric and revisional surgery with Oregon Weight Loss Surgery in Portland. Her individual practice biography describes sleeve gastrectomy, gastric bypass, gastric band and revision procedures. The Oregon Medical Board record independently lists her Portland practice, medical education and surgical training.
This profile uses selected sourced facts. Current availability and procedure choice should be confirmed with the practice.
Procedures & areas of focus
- Sleeve gastrectomy
- Gastric bypass
- Gastric band surgery
- Revisional bariatric surgery
Individual practice biography; confirm current availability and the proposed procedure directly.
Education & training
- MD, University of Toronto, 1993-06-10
- Internship, St Pauls Hospital, Vancouver, July 1993–June 1994
- General surgery residency, University of British Columbia, July 1994–June 1999
- General surgery fellowship, Mount Sinai Medical Center, New York, July 1999–June 2000
Medical license & specialist credentials
Credentials are checked individually. An absent license or board record remains unconfirmed; a practice biography or society membership is not an independent credential check.
General surgery certification is not a separate bariatric surgery board certificate. Dates below describe the issuing source on the day checked; a license or certification can change afterward.
- Issuing body
- American Board of Surgery
- Recorded status
- Certified - Meeting CC Requirements
- Public identifier
- 045607
- Issued
- 2000-10-31
- Reverify by
- 2027-01-05
- Checked on
- 2026-11-02
- Issuing body
- American Board of Surgery
- Recorded status
- Recognized
- Public identifier
- 000276
- Initially recognized
- 2025-04-02
- Reverify by
- 2027-01-05
- Checked on
- 2026-11-02
- Issuing body
- Oregon Medical Board
- Recorded status
- Active
- Public identifier
- MD22571
- Issued
- 2000-07-21
- Expires
- 2027-12-31
- Checked on
- 2026-11-02
Practice locations
825 NE 20th Ave, Suite 340, Portland, OR 97232
Get directions ↗Confirm appointment location with the practice.
Research & publications
Objectively-measured sedentary time and cardiometabolic health in adults with severe obesity
2016-03
Observational cross-sectional analysis of sedentary behavior among bariatric candidates; association does not prove causation.
View publication ↗Questions to ask
Is Dr. Patterson board certified?
The ABS record lists General Surgery certificate 045607 as Certified — Meeting CC Requirements. It separately lists metabolic and bariatric surgery focused practice designation 000276 as Recognized. Both have a January 5, 2027 reverification date.
Source ↗Is her Oregon medical license current?
The Oregon Medical Board record lists MD22571 as Active, expiring December 31, 2027. Checked November 2, 2026.
Source ↗Which procedures does the practice describe?
Her individual biography lists sleeve gastrectomy, gastric bypass, gastric band surgery and revisions. Confirm the current procedure and follow-up plan directly.
Where is the office?
825 NE 20th Ave, Suite 340, Portland, Oregon 97232. Call 503-227-5050 to confirm the appointment.
Does this profile establish insurance coverage?
No. Confirm exact plan participation and procedure coverage with the practice and your insurer.
Related patient guides
Profile sources
- Individual practice biography and procedures · Checked 2026-11-02
- Practice, education, language and medical license — Oregon Medical Board ↗ · Checked 2026-11-02
- Issuing board certificate and focused practice designation ↗ · Checked 2026-11-02
- Practice-hosted CV used to match selected publication · Checked 2026-11-02
- Matched PubMed author, affiliation and abstract ↗ · Checked 2026-11-02


