Mari B Baker, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036-114578 Issued in IL

Practice address

8940 N Wood Sage Rd
Peoria, IL 61615-7822

Phone

(309) 243-3000

Fax

(309) 243-3070

NPI assigned

Jul 3, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Southern Illinois University School of Medicine, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Oncology-Hematology Associates of Central Illinois P CGroup PAC ID 3870571649, 64 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Francis Medical Center Hospital, Peoria, IL, CCN 140067
• Osf Saint Elizabeth MDL Ctr Hospital, Peru, IL, CCN 140110
• Carle Health Methodist Hospital Hospital, Peoria, IL, CCN 140209
• St Joseph Medical Center Hospital, Bloomington, IL, CCN 140162
• Carle Health Pekin Hospital Hospital, Pekin, IL, CCN 140120

Merit-based Incentive Payment System (MIPS)

Final score

79.09 of 100Reported as group

Quality

72.2

Promoting interoperability

86

Improvement activities

40

Cost

59.81

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mari.baker@ilcc.ikm.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Oncology-Hematology Associates of Central Illinois P C

  • Hematology & Oncology Physician
  • Peoria, IL
  • NPI 1801896063
  Medicare reassignment Care Compare group NPD
• Osf Healthcare System

  • Critical Access Hospital
  • Monmouth, IL
  • NPI 1548393184
  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Methodist Medical Center of Illinois

  • General Acute Care Hospital
  • Peoria, IL
  • NPI 1164474755
  Care Compare affiliation
• Ottawa Regional Hospital & Healthcare Center

  • General Acute Care Hospital
  • Peru, IL
  • NPI 1588713440
  Care Compare affiliation
• Pekin Memorial Hospital

  • General Acute Care Hospital
  • Pekin, IL
  • NPI 1245227479
  Care Compare affiliation
• St Joseph Medical Center

  • General Acute Care Hospital
  • Bloomington, IL
  • NPI 1619916806
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1151884800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1962431585",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8940 N WOOD SAGE RD",
            "city": "PEORIA",
            "state": "IL",
            "postal_code": "616157822",
            "telephone_number": "309-243-3000",
            "fax_number": "309-243-3070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8940 N WOOD SAGE RD",
            "city": "PEORIA",
            "state": "IL",
            "postal_code": "616157822",
            "telephone_number": "309-243-3000",
            "fax_number": "309-243-3070"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAKER",
        "first_name": "MARI",
        "middle_name": "B",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-03",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036-114578",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RR GROUP",
            "identifier": "CA3486",
            "state": "IL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036114578",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE GROUP NO.",
            "identifier": "800810",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Rita Bailey
• Amy J Baird, LCPC
• Starr L Baize, L.C.S.W.
• Madhuri Bajaj, MD
• Richard Bak
• Michelle Sue Baker, LCPC CADC
• Nathaniel James Baker, MD
• Raymond Charles Baker, PH.D.
• Sylwia Patrycja Balata
• Brooke B Baldi, MD

• Emergency Medicine Physician in Peoria, IL
• Providers in Peoria, IL by specialty
• Emergency Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.