Marisa Simon, MD
Internal Medicine Physician · Eugene, OR
Marisa Simon, MD is an internal medicine physician with a practice address in Eugene, Oregon, and NPI 1992326136, issued on Apr 28, 2020. Check the license (Oregon MD213287, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marisa Simon
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD213287 OR
BP10070665 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2830 Crescent Ave, Eugene, OR 97408
- Phone
- (541) 686-9000
- Enumerated
- Apr 28, 2020
- Record last updated
- May 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20221216001761); accepts Medicare assignment
- Medical or professional school
- University Of Texas At Austin Dell Medical School, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 2830 Crescent Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Clyde Byfield, MDFamily Medicine Physician1174503601
- Patricia Callahan, MDPediatrics Physician1023010543
- Ann Holly Cannon, NPFamily Nurse Practitioner1124769823
Verify Marisa Simon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD213287Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
542 Medicare Part D claims for 347 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Doxycycline Monohydrate72 claims
- Meloxicam42 claims
- Fluticasone Propionate30 claims
- Amoxicillin25 claims
- Amoxicillin-Clavulanate Potass17 claims
- Prednisone17 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.
Bills Medicare through 2 group practices
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
- Oregon Healthcare Resources LLCEugene, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marisa Simon among 2,116 internal medicine physician records in Oregon
Marisa Simon, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2020 · median 2008 among the 1,232 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Oregon
There are 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Eugene → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michelle Wyatt, M.D.Eugene, OR 974081699713412
- Douglas Bovee, MDEugene, OR 974051457361255
- W. Dukeminier, M.D.Eugene, OR 974051154394450
- Emma Lee Junior, M.D.Eugene, OR 974051508832908
- Julia Sunkomat, M.D.Eugene, OR 974051326237488
- Robert Wheeler, M.D.Eugene, OR 974051528132578
- Robert Ballman, M.D.Eugene, OR 974041497727226
- James Buie, M.D.Eugene, OR 974041780656496
Common questions
What is Marisa Simon, MD's NPI number?
Marisa Simon, MD's National Provider Identifier (NPI) is 1992326136, issued on Apr 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marisa Simon, MD located?
The NPPES record lists a practice address at 2830 Crescent Ave, Eugene, OR, 97408. Phone: (541) 686-9000. Providers update this record themselves, so call before visiting.
How can I verify Marisa Simon, MD's license?
NPPES lists Oregon license number MD213287, 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 Marisa Simon, MD prescribe under Medicare Part D?
In 2024, Marisa Simon, MD had 542 Medicare Part D claims for 347 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.