Marrissa Dybas, DO
Emergency Medicine Physician · Peru, IL
Marrissa Dybas, DO is an emergency medicine physician with a practice address in Peru, Illinois, and NPI 1376238303, issued on Apr 6, 2023. Check the license (Illinois 036180677, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Marrissa Dybas
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036180677 IL
Self-reported in NPPES; status is on the state search - Practice location
- 925 West St, Peru, IL 61354
- Phone
- (815) 221-1384
- Enumerated
- Apr 6, 2023
- Entity
- Type 1 · individual
Also registered at 925 West St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rene Anderes, R.D., L.D.N.Registered Dietitian1801199252
- Haleigh Augspols, MS, RD, LDNRegistered Dietitian1174050504
- Nathan BowersCertified Registered Nurse Anesthetist1467846493
- Matthew Bruno, P.A.Physician Assistant1104854066
- Steven Busch, CRNACertified Registered Nurse Anesthetist1740257765
- Steven Cullen, M.D.Emergency Medicine Physician1518933860
Verify Marrissa Dybas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036180677Check 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 emergency medicine physician in 2024
61 Medicare Part D claims for 44 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.
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.
5 emergency medicine physician records list a Peru practice address
They are 5 of the 224 NPPES records with a Peru practice address, and 3,096 emergency medicine physician records in Illinois.
All 5 in Peru → All 3,096 in Illinois → Every provider in Peru →
Other emergency medicine physician records in Illinois
- Osama Aaflaq, M.D.Carbondale, IL1083663520
- Suresh Abad, M.D.Vernon Hills, IL1639100126
- Albert Abalos, M.D.Elmhurst, IL1881983484
- Habib Abbasi, M.D.Joliet, IL1902832835
- Andrew Abbeg, D.O.Greenville, IL1548490311
- Ryan Abbott, DOChicago, IL1477243517
- Zakaria Abdulnabi, M.D.Urbana, IL1790135499
- Logan Abel, MDChicago, IL1447900592
- Claire Abramoff, MDChicago, IL1316380009
- Rachel Abrams, M.D.Chicago, IL1659786317
Common questions
What is Marrissa Dybas, DO's NPI number?
Marrissa Dybas, DO's National Provider Identifier (NPI) is 1376238303, issued on Apr 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Marrissa Dybas, DO located?
The NPPES record lists a practice address at 925 West St, Peru, IL, 61354. Phone: (815) 221-1384. Providers update this record themselves, so call before visiting.
How can I verify Marrissa Dybas, DO's license?
NPPES lists Illinois license number 036180677, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marrissa Dybas, DO prescribe under Medicare Part D?
In 2024, Marrissa Dybas, DO had 61 Medicare Part D claims for 44 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.