Mark Timothy Monahan, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036107925 Issued in IL

Practice address

403 E 1St St
Dixon, IL 61021-3116

Phone

(815) 288-5531

Fax

(815) 285-5558

NPI assigned

Jul 6, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 4

Medicare fee-for-service enrollment

Enrolled in IN, IL2 enrollments

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 2

Specialty

Emergency Medicine

Education

University of Chicago, Pritzker School of Medicine, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Osf Multi-Specialty GroupGroup PAC ID 3678889789, 2,123 clinicians

South Bend Emergency Physicians IncGroup PAC ID 0941282354, 51 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Osf Saint Katharine Medical Center Hospital, Dixon, IL, CCN 140012
• Memorial Hospital of South Bend Hospital, South Bend, IN, CCN 150058
• Community Hospital of Bremen Inc Hospital, Bremen, IN, CCN 151300

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Osf Multi-Specialty Group

  • Internal Medicine Physician
  • Peoria, IL
  • NPI 1922445527
  Medicare reassignment Care Compare group NPD
• South Bend Emergency Physicians, Inc

  • Emergency Medicine Physician
  • South Bend, IN
  • NPI 1487132114
  Medicare reassignment Care Compare group NPD
• Katherine Shaw Bethea Hospital

  • General Acute Care Hospital
  • Dixon, IL
  • NPI 1427043546
  Medicare reassignment NPD
• North Indiana Emergency Physicians, LLP

  • Emergency Medicine Physician
  • La Porte, IN
  • NPI 1144691478
  Medicare reassignment NPD
• Woodlawn Hospital

  dba Argos Medical Center

  • Family Medicine Physician
  • Argos, IN
  • NPI 1639241227
  Medicare reassignment NPD
• Central PA Pharmacy LLC.

  dba patton pharmacy and v&s variety

  • Community/Retail Pharmacy
  • Patton, PA
  • NPI 1578541413
  NPD
• Woodlawn Hospital

  dba Shafer Medical Center

  • Rural Health Clinic/Center
  • Rochester, IN
  • NPI 1265095988
  NPD
• Woodlawn Hospital

  • Emergency Medicine Physician
  • Rochester, IN
  • NPI 1740496074
  NPD

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

• Osf Healthcare System

  dba OSF Saint Katharine Medical Center

  • General Acute Care Hospital
  • Dixon, IL
  • NPI 1508683590
  Care Compare affiliation
• Community Hospital of Bremen, Inc

  • Critical Access Hospital
  • Bremen, IN
  • NPI 1568417004
  Care Compare affiliation
• Memorial Hospital of South Bend

  • General Acute Care Hospital
  • South Bend, IN
  • NPI 1295772093
  Care Compare affiliation
• Memorial Hospital of South Bend

  dba Memorial Epworth Center

  • Psychiatric Hospital Unit
  • South Bend, IN
  • NPI 1376841395
  Care Compare affiliation
• Memorial Hospital of South Bend

  dba Beacon Granger Hospital, A Memorial Hospital Extension

  • General Acute Care Hospital
  • Granger, IN
  • NPI 1881177756
  Care Compare affiliation

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

{
    "created_epoch": "1152144000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1518998327",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "403 E 1ST ST",
            "city": "DIXON",
            "state": "IL",
            "postal_code": "610213116",
            "telephone_number": "815-288-5531",
            "fax_number": "815-285-5558"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "403 E 1ST ST",
            "city": "DIXON",
            "state": "IL",
            "postal_code": "610213116",
            "telephone_number": "815-288-5531",
            "fax_number": "815-285-5558"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "615 N Michigan St",
            "address_purpose": "LOCATION",
            "city": "South Bend",
            "state": "IN",
            "postal_code": "466011033",
            "country_code": "US",
            "telephone_number": "574-647-7459",
            "fax_number": "574-284-3342",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MONAHAN",
        "first_name": "MARK",
        "middle_name": "TIMOTHY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-06",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IN",
            "license": "01057437A",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036107925",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4782693",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIAN LICENSE",
            "identifier": "036109925",
            "state": "IL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200432460",
            "state": "IN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM PIN",
            "identifier": "000000282214",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mary Louise Milne, A.A.S, MHP
• Grace Mingus, RBT
• Katie Ann Mitchell, MSW, QMHP
• Lisa Renae Mitchell
• Jacob Mathew Mohr
• Maggie Monnier
• Halley-Anne Moore, RBT
• Jeremy Morehead
• Ashley Moreno
• Kelsey Morgan, RBT

• Emergency Medicine Physician in Dixon, IL
• Providers in Dixon, 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 Aug 5, 2025; 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.