Physician Profile
Ian Holmes, MD
Unclaimed ProfileAbout Dr. Holmes
Ian Holmes, MD is a healthcare provider in Portland, OR specializing in gastroenterology. Medicare claims data shows Ian provided 162 services to 146 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (503) 963-2707
- Email not available
Practice Locations
1111 NE 99TH AVE STE 301
Portland, OR 97220
Conditions Commonly Evaluated or Treated
Within Gastroenterology 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
- Acid Reflux
- Celiac disease
- Crohn's disease
- Difficulty Swallowing
- Hemorrhoids
- Irritable Bowel Syndrome
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Autoimmune Hepatitis
- Cirrhosis
- Enlarged Veins in Esophagus
- Fatty Liver Disease
- Fluid in Abdomen
- Hepatitis B
- Hepatitis C
- Iron Overload
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Most searched procedures
Lower endoscopy
- Colon Polyp Removal
- Endoscopic Treatment for GI Bleeding
- Flexible Sigmoidoscopy
Upper endoscopy
- Advanced Polyp Removal
- Stretching the Esophagus
Capsule and physiology testing
- Esophageal Motility Test
- Pelvic Floor Muscle Test
- Pill Camera Endoscopy
Diagnostic Testing
Liver procedures
- Abdominal Fluid Drainage
- Esophageal Banding
- FibroScan
Treatments
Procedures Most Often Billed to Medicare
162 services · 146 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
29 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
19 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
15 |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
14 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
11 |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
30 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
25 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
19 |
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.
Other gastroenterology specialists at this location 8
Same specialty, same street address — most likely the same department or group.
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 gastroenterology specialists in Portland 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in OR who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Holmes?
Dr. Holmes is a gastroenterology in Portland, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Holmes's address?
Dr. Holmes is listed at 1111 NE 99TH AVE STE 301, Portland, OR 97220. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Holmes?
The number on file is (503) 963-2707. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Holmes?
Dr. Holmes's National Provider Identifier is 1073933099. 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
Where did Dr. Holmes train?
Dr. Holmes attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Holmes have?
Dr. Holmes has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Holmes perform?
According to Medicare billing data, Dr. Holmes performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Holmes's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Holmes. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.