Physician Profile
Unclaimed ProfileAbout PHILLIPS
Michael Gregory Phillips, MD is a healthcare provider in Portland, OR specialising in gastroenterology. Michael trained at Oregon Health Sciences University School of Medicine, graduating in 1986.
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
Areas of Expertise
Common questions
What kind of doctor is Dr. Phillips?
Dr. Phillips 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. Phillips's address?
Dr. Phillips is listed at 1111 NE 99TH AVE, 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. Phillips?
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 Dr. Phillips's NPI number?
Dr. Phillips's National Provider Identifier is 1366434656. 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. Phillips train?
Dr. Phillips attended Oregon Health Sciences University School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Phillips been practising?
Dr. Phillips has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Phillips perform?
According to Medicare billing data, Dr. Phillips performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Phillips confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Phillips. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (503) 963-2707
- Email not available
Practice Locations
1111 NE 99TH AVE
Portland, OR 97220
Procedures Most Often Billed to Medicare
3,913 services · 269 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
29 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
24 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
21 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
13 |
| Injection, vedolizumab, intravenous, 1 mg | Drug given | J3380 |
3,600 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
87 |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
65 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
28 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
19 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
15 |
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 Oregon Health Sciences University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Oregon Health Sciences University School of Medicine 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.