1. Home
  2. Directory
  3. Oregon
  4. Portland
  5. Internal Medicine
  6. NPI Profile

MICHAEL GREGORY PHILLIPS MD
NPI 1366434656
Internal Medicine - Gastroenterology in Portland, OR

Active since August 22, 2005PECOS EnrolledAccepts Medicare Assignment
1111 NE 99TH AVE, PORTLAND, OR 97220(503) 963-2707(503) 963-2802 Get Directions Write a Review

NPPES record last updated: November 4, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 4, 2024, Dec 6, 2023, Nov 17, 2021 (3 updates tracked since 2021).

About Michael Gregory Phillips Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL GREGORY PHILLIPS MD (NPI 1366434656) is an individual gastroenterology provider in Portland, Oregon, licensed in Oregon (MD17708) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Providence Portland Medical Center, and maintains a secondary practice location in Clackamas.

NPPES Registry Identity

NPI1366434656
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMICHAEL GREGORY PHILLIPSCredential: MD
Location Address1111 NE 99TH AVEPortland, OR 97220-9428
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825
Phone(503) 963-2707
Fax(503) 963-2802
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1986
Enumeration DateAugust 22, 2005
Last NPPES UpdateNovember 4, 20243 updates tracked since enumeration
NPPES CertifiedNovember 4, 2024
✔ NPI 1366434656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in OR · MD17708
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1111 NE 99TH AVE, Portland, OR 97220
Open in Google Maps ↗

Secondary Practice Location 1

Location 19300 SE 91st Ave Ste 300Clackamas, OR 97086-3762 · Phone (503) 963-2707 · Fax (503) 963-2802

Other Identifiers 2

Medicaid042791OR
Medicaid8146011WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael Gregory Phillips Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971401464
PECOS Enrollment IDI20051026000403
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, vedolizumab, intravenous, 1 mg J3380
Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.
3,600 services12 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
87 services68 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
65 services36 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
29 services29 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
28 services23 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
24 services24 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97220 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LOUIS SAMUELS LIBBY MD
Internal Medicine (Pulmonary Disease)
1111 NE 99TH AVE, SUITE 200
PORTLAND, OR 97220
Multnomah County (503) 963-3030
DOUGLAS CRAIG WALTA MD
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE, SUITE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
ALYSSA MARIE O'BRIEN RD
Dietitian, Registered
1111 NE 99TH AVE
PORTLAND, OR 97220
Multnomah County (503) 963-2707
JERZY O GIEDWOYN MD
Internal Medicine (Cardiovascular Disease)
1111 NE 99TH AVE, SUITE 201
PORTLAND, OR 97220
Multnomah County (503) 962-1000
DR. AMY LI RONG ZHU MD
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE
PORTLAND, OR 97220
Multnomah County (503) 963-2707
MISS JACKIE MARCELLA WOLF PT
Physical Therapist
1111 NE 99TH AVE
PORTLAND, OR 97220
Multnomah County (503) 216-5410
STEPHEN JOHN YERMAL
Nurse Anesthetist, Certified Registered
1111 NE 99TH AVE, SUITE 302
PORTLAND, OR 97220
Multnomah County (503) 963-2763
THE OREGON CLINIC PC
Clinic/Center (Endoscopy)
1111 NE 99TH AVE
PORTLAND, OR 97220
Multnomah County (503) 963-2801

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Phillips's NPI number?

The NPI number for Michael Phillips is 1366434656. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Where is Michael Phillips located?

Michael Phillips practices at 1111 NE 99th Ave, Portland, OR 97220. The listed phone number is (503) 963-2707.

What is Michael Phillips's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Phillips enrolled in Medicare?

Yes. Michael Phillips is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Michael Phillips accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Michael Phillips as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Phillips affiliated with any hospitals?

According to CMS data, Michael Phillips is affiliated with Providence Portland Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Phillips was last updated on November 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.