Michael E. Layoun, MD
Cardiovascular Disease Physician · Portland, OR
Michael E. Layoun, MD is a cardiovascular disease physician with a practice address in Portland, Oregon, and NPI 1992123475, issued on Apr 2, 2014. Check the license (Oregon MD187950, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael E. Layoun
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- MD187950 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4400 NE Halsey St Ste 102, Portland, OR 97213
- Phone
- (503) 962-1000
- Enumerated
- Apr 2, 2014
- Record last updated
- Mar 25, 2026
- Medicare enrollment
- Enrolled (PECOS I20200611000805); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 265 in Oregon → Look up another NPI →
Also registered at 4400 NE Halsey St Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Bensch, M.D.Cardiovascular Disease Physician1164765111
- Sarah Bereznai, NPAdult Health Nurse Practitioner1679086938
- Kristin Bourret, PACPhysician Assistant1073555306
- Lisa Enger, ANPAdult Health Nurse Practitioner1295983617
- Cindy Fulton, PA-CPhysician Assistant1003217910
- Benjamin Hartwig, AGACNPAcute Care Nurse Practitioner1578008397
Verify Michael E. Layoun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD187950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,875 Medicare Part D claims for 366 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Eliquis250 claims
- Metoprolol Succinate221 claims
- Amlodipine Besylate151 claims
- Losartan Potassium129 claims
- Atorvastatin Calcium128 claims
- Carvedilol96 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 8 group practices
- Providence Health And Services - OregonNewberg, OR
- Providence Health And Services - OregonOregon City, OR
- Providence Health And Services - OregonPortland, OR
- Providence Health And Services - OregonPortland, OR
- Providence Health And Services OregonMilwaukie, OR
- Providence Health And Services OregonMilwaukie, OR
- Providence Health And Services OregonHood River, OR
- Providence Health And Services OregonWarrenton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael E. Layoun among 265 cardiovascular disease physician records in Oregon
Michael E. Layoun, MD is one of 265 cardiovascular disease physician records with a practice address in Oregon. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 86% of them.
- NPI issued2014 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2001 among the 182 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Oregon
There are 265 cardiovascular disease physician records in Oregon.
All 265 in Oregon → Every provider in Portland → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Jason Bensch, M.D.Portland, OR 972131164765111
- Crispin Davies, MDPortland, OR 972131982610481
- Dale Hirsch, MDPortland, OR 972131114919610
- Xiaoyan Huang, MDPortland, OR 972131346232857
- Edna Kremkau, MDPortland, OR 972131659363000
- Robert Litt, M.D.Portland, OR 972131467444331
- Aaron Schoenkerman, MDPortland, OR 972131487748836
- David Schroeder, M.D.Portland, OR 972131578568499
Common questions
What is Michael E. Layoun, MD's NPI number?
Michael E. Layoun, MD's National Provider Identifier (NPI) is 1992123475, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Michael E. Layoun, MD located?
The NPPES record lists a practice address at 4400 NE Halsey St Ste 102, Portland, OR, 97213. Phone: (503) 962-1000. Providers update this record themselves, so call before visiting.
How can I verify Michael E. Layoun, MD's license?
NPPES lists Oregon license number MD187950, 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 Michael E. Layoun, MD prescribe under Medicare Part D?
In 2024, Michael E. Layoun, MD had 1,875 Medicare Part D claims for 366 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Michael E. Layoun, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.