Mari Baker, M.D.
Emergency Medicine Physician · Peoria, IL
Mari Baker, M.D. is an emergency medicine physician with a practice address in Peoria, Illinois, and NPI 1962431585, issued on Jul 3, 2006. Check the license (Illinois 036-114578, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mari Baker
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036-114578 IL
Self-reported in NPPES; status is on the state search - Practice location
- 8940 N Wood Sage RD, Peoria, IL 61615
- Phone
- (309) 243-3000
- Enumerated
- Jul 3, 2006
- Entity
- Type 1 · individual
Also registered at 8940 N Wood Sage RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammad Asad, MDInternal Medicine Physician1982910527
- Madhuri Bajaj, MDHematology & Oncology Physician1699883595
- Caroline Barnes, APPFamily Nurse Practitioner1518216779
- Debra Beach, APNClinical Nurse Specialist1013945849
- Elizabeth Berryman, APPNurse Practitioner1750843199
- Rachel Blodgett, APNNurse Practitioner1548655095
Verify Mari Baker 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 036-114578Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
84% fewer Medicare Part D claims than the average emergency medicine physician in 2024
58 Medicare Part D claims for 36 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.
Most prescribed
- Anastrozole18 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.
One hospital or facility affiliation
- Oncology-Hematology Associates OF Central Illinois P CPeoria, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
126 emergency medicine physician records list a Peoria practice address
They are 126 of the 4,621 NPPES records with a Peoria practice address, and 3,096 emergency medicine physician records in Illinois.
All 126 in Peoria → All 3,096 in Illinois → Every provider in Peoria →
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 Mari Baker, M.D.'s NPI number?
Mari Baker, M.D.'s National Provider Identifier (NPI) is 1962431585, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mari Baker, M.D. located?
The NPPES record lists a practice address at 8940 N Wood Sage RD, Peoria, IL, 61615. Phone: (309) 243-3000. Providers update this record themselves, so call before visiting.
How can I verify Mari Baker, M.D.'s license?
NPPES lists Illinois license number 036-114578, 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 Mari Baker, M.D. prescribe under Medicare Part D?
In 2024, Mari Baker, M.D. had 58 Medicare Part D claims for 36 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.