James Kevin Regan, MD
Gastroenterology Physician · Portland, OR
James Kevin Regan, MD is a gastroenterology physician with a practice address in Portland, Oregon, and NPI 1831182179, issued on Aug 23, 2005. Check the license (Oregon MD20941, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Kevin Regan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD20941 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1111 NE 99TH Ave, Portland, OR 97220
- Phone
- (503) 963-2707
- Enumerated
- Aug 23, 2005
- Record last updated
- Dec 3, 2025
- Fax
- (503) 963-2802
- Medicaid IDs
- 8221152 WA
151150 OR - Medicare enrollment
- Enrolled (PECOS I20051027001211); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 1111 NE 99TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Albaugh, MDGastroenterology Physician1184626087
- Kent Benner, MDGastroenterology Physician1649272451
- Sidharth Bhardwaj, M.D.Gastroenterology Physician1831156025
- William Bowerfind, MDPulmonary Disease Physician1801898663
- Harry Bray, MDGastroenterology Physician1790787554
- Sumner Brooks, MPH, RD, CSSDRegistered Dietitian1477833390
Verify James Kevin Regan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD20941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average gastroenterology physician in 2024
450 Medicare Part D claims for 205 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-G57 claims
- Omeprazole55 claims
- Pantoprazole Sodium36 claims
- Famotidine32 claims
- Peg-3350 And Electrolytes26 claims
- Sod Sulf-Potass Sulf-Mag Sulf25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $326.00
5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Kevin Regan among 281 gastroenterology physician records in Oregon
James Kevin Regan, MD is one of 281 gastroenterology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1991 · median 2003 among the 201 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Oregon
There are 281 gastroenterology physician records in Oregon.
All 281 in Oregon → Every provider in Portland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jeffrey Albaugh, MDPortland, OR 972201184626087
- Kent Benner, MDPortland, OR 972201649272451
- Harry Bray, MDPortland, OR 972201790787554
- Craig Fausel, MDPortland, OR 972201477555175
- Kenneth Flora, MDPortland, OR 972201730181439
- Betty Kim, MDPortland, OR 972201457343907
- Kirsten Kinsman, MDPortland, OR 972201598757049
- Phillip Kiyasu, MDPortland, OR 972201124010673
Common questions
What is James Kevin Regan, MD's NPI number?
James Kevin Regan, MD's National Provider Identifier (NPI) is 1831182179, issued on Aug 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Kevin Regan, MD located?
The NPPES record lists a practice address at 1111 NE 99TH Ave, Portland, OR, 97220. Phone: (503) 963-2707. Providers update this record themselves, so call before visiting.
How can I verify James Kevin Regan, MD's license?
NPPES lists Oregon license number MD20941, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Kevin Regan, MD prescribe under Medicare Part D?
In 2024, James Kevin Regan, MD had 450 Medicare Part D claims for 205 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.