Michael Robert Messmer, D.O.

Primary specialty

Sports Medicine (Family Medicine) PhysicianTaxonomy code 207QS0010X

License

036169796 Issued in IL

Practice address

5213 Godfrey Rd Ste 110
Godfrey, IL 62035-2510

Phone

(618) 619-3330

Fax

(618) 463-7601

NPI assigned

Mar 21, 2009

Last updated

Sep 19, 2025By the provider in NPPES

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

Electronic endpoints 2

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

Family PracticeAlso: Sports Medicine

Education

Lake Erie College of Osteopathic Medicine, Erie, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Fairview Heights Medical Group SCGroup PAC ID 6800784083, 448 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Alton Memorial Hospital Hospital, Alton, IL, CCN 140002
• Memorial Hospital Hospital, Belleville, IL, CCN 140185
• Jersey Community Hospital Hospital, Jerseyville, IL, CCN 140059
• Christian Hospital Northeast Hospital, Saint Louis, MO, CCN 260180
• SSM Health Rehabilitation Hospital Inpatient rehabilitation facility, Richmond Heights, MO, CCN 263031

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: messmer@mybeacon.cernerdirect.com

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

• Fairview Heights Medical Group SC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1679503668

  IL

  Medicare reassignment Care Compare group NPD
• Fairview Heights Medical Group SC

  dba BJC Medical Group of Illinois

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1073022000
  NPD
• Beacon Medical Group, Inc.

  dba Beacon Bone and Joint Specialists

  • Critical Care Medicine (Internal Medicine) Physician
  • Elkhart, IN
  • NPI 1821222829
  NPD (past)

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

• Alton Memorial Hospital

  • Ambulance
  • Alton, IL
  • NPI 1063669117

  Hospital

  Care Compare affiliation
• Alton Memorial Hospital

  • General Acute Care Hospital
  • Alton, IL
  • NPI 1548278476
  Care Compare affiliation
• Jersey Community Hospital

  • General Acute Care Hospital
  • Jerseyville, IL
  • NPI 1184630519
  Care Compare affiliation
• Protestant Memorial Medical Center, Inc.

  dba Memorial Hospital

  • General Acute Care Hospital
  • Belleville, IL
  • NPI 1982796181
  Care Compare affiliation
• Christian Hospital Northeast- Northwest

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1639186760
  Care Compare affiliation
• Christian Hospital Northeast-Northwest

  dba Christian Hospital

  • Ambulance
  • Saint Louis, MO
  • NPI 1073769329

  Hospital

  Care Compare affiliation
• SSM Select Rehab St Louis LLC

  • Rehabilitation Hospital
  • Richmond Heights, MO
  • NPI 1659511988

  Inpatient rehabilitation facility

  Care Compare affiliation

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

{
    "created_epoch": "1237593600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758240000000",
    "number": "1538300561",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 MASON RIDGE CENTER DR STE 300",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418512",
            "telephone_number": "314-448-3791",
            "fax_number": "314-996-7658"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5213 GODFREY RD STE 110",
            "city": "GODFREY",
            "state": "IL",
            "postal_code": "620352510",
            "telephone_number": "618-619-3330",
            "fax_number": "618-463-7601"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESSMER",
        "first_name": "MICHAEL",
        "middle_name": "ROBERT",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-03-21",
        "last_updated": "2025-09-19",
        "certification_date": "2025-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QS0010X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Sports Medicine",
            "state": "IN",
            "license": "02004856A",
            "primary": false
        },
        {
            "code": "207QS0010X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Sports Medicine",
            "state": "IL",
            "license": "036169796",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "MESSMER@mybeacon.cernerdirect.com",
            "affiliation": "N",
            "address_1": "3221 Beacon Parkway",
            "city": "Granger",
            "state": "IN",
            "country_code": "US",
            "postal_code": "46530",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "5213 Godfrey Rd Ste 110",
            "city": "Godfrey",
            "state": "IL",
            "country_code": "US",
            "postal_code": "620352510",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Kathryn F McKenna, NP
• Melanie Means
• Katie Ann Medford, PHARMD
• James Edward Merkle, D.M.D.
• Melissa Merkle, COTA
• John Randall Miller, D.D.S.
• Matthew Patton Mindrup, LCSW
• Mohyuddin Medical Center LTD
• Yusuf Ata Mohyuddin, M.D., M.P.H.
• Stephanie M Monroe, D.C.

• Sports Medicine (Family Medicine) Physician in Godfrey, IL
• Providers in Godfrey, IL by specialty
• Sports Medicine (Family Medicine) Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 19, 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.