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Edit this profileAt a glance
- 10000 Se Main St Ste 316, Portland, OR 97216
About Dr. Chun
Jonathan S. Chun, MD is a healthcare provider in Portland, OR specializing in general surgery. Jonathan trained at Washington University School of Medicine, graduating in 2001. Jonathan is also listed as specializing in surgery and colon & rectal surgery. According to Medicare claims data, the services billed most often include diagnostic exam of anus using an endoscope and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1396777926.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (503) 256-1575
- Email not available
Practice Locations
10000 SE MAIN ST STE 316
Portland, OR 97216
Conditions Commonly Evaluated or Treated
Within General Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anorectal
Appendix, bowel, and emergency
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Abdominal
Abdominal wall
Breast
Colorectal
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
Endocrine
Gastrointestinal
Hernia
Infections
Lymphatic
Oncology
Procedures & services
Most searched procedures
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
Hernia repair
Skin and soft tissue
Abdominal surgery
Abdominal wall
Access and nutrition
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
Colorectal
Colorectal surgery
Digestive procedures
Endocrine surgery
Gastrointestinal
Hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
Wound care
Procedures Most Often Billed to Medicare
25 services · 24 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
14 | Less often than most peers in General Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 | Less often than most peers in General Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other general surgeons in Portland 8
Same specialty, same city.
Trained at Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2001 at Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 7
Providers in OR who bill this service to Medicare most often.
Common questions
What is Dr. Chun's specialty?
Dr. Chun is a general surgeon in Portland, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where can I find Dr. Chun?
Dr. Chun is listed at 10000 Se Main St Ste 316, Portland, OR 97216. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chun?
The number on file is (503) 256-1575. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chun's NPI number?
Dr. Chun's National Provider Identifier is 1396777926. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Chun's medical education?
Dr. Chun attended Washington University School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chun been practicing?
Dr. Chun has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chun known for?
According to Medicare billing data, Dr. Chun performs procedures including diagnostic exam of anus using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chun confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chun. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.