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JAMES KEVIN REGAN MD
NPI 1831182179
Internal Medicine - Gastroenterology in Portland, OR

Active since August 23, 2005PECOS EnrolledAccepts Medicare Assignment
1111 NE 99TH AVE, SUITE 301, PORTLAND, OR 97220(503) 963-2707(503) 963-2802 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 3, 2025, Dec 29, 2021 (2 updates tracked since 2021).

About James Kevin Regan Md NPPES

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

JAMES KEVIN REGAN MD (NPI 1831182179) is an individual gastroenterology provider in Portland, Oregon, licensed in Oregon (MD20941) 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 Happy Valley.

NPPES Registry Identity

NPI1831182179
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJAMES KEVIN REGANCredential: MD
Location Address1111 NE 99TH AVE, SUITE 301Portland, 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 1991
Enumeration DateAugust 23, 2005
Last NPPES UpdateDecember 3, 20252 updates tracked since enumeration
NPPES CertifiedDecember 3, 2025
✔ NPI 1831182179 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 · MD20941
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 300Happy Valley, OR 97086-3762 · Phone (503) 963-2707 · Fax (503) 963-2802

Other Identifiers 2

Medicaid8221152WA
Medicaid151150OR

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

James Kevin Regan 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 ID6002714581
PECOS Enrollment IDI20051027001211
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.

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.
88 services50 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
48 services48 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.
42 services42 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.
39 services39 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 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.
21 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Providence Milwaukie Hospital

Acute Care Hospitals · Milwaukie, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380082
Location10150 SE 32nd AvenueMilwaukie, OR 97222 · Clackamas County

Providence Hood River Memorial Hospital

Critical Access Hospitals · Hood River, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381318
Location810 12th StreetHood River, OR 97031 · Hood River 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 James Regan's NPI number?

The NPI number for James Regan is 1831182179. It was assigned to this individual provider in the NPPES registry on August 23, 2005.

Where is James Regan located?

James Regan practices at 1111 NE 99th Ave Suite 301, Portland, OR 97220. The listed phone number is (503) 963-2707.

What is James Regan's specialty?

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

Is James Regan enrolled in Medicare?

Yes. James Regan 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 James Regan accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list James Regan 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 James Regan affiliated with any hospitals?

According to CMS data, James Regan is affiliated with Providence Portland Medical Center, Providence Milwaukie Hospital and Providence Hood River Memorial Hospital.

When was this NPI record last updated?

The NPPES record for James Regan was last updated on December 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.