Conner Schwent Gessert, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

2021025403 Issued in MO

Practice address

615 S New Ballas Rd
Saint Louis, MO 63141-8221

Phone

(314) 251-6090

Fax

(314) 251-1601

NPI assigned

Jun 25, 2019

Last updated

Jan 16, 2026By 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MO

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

University of Arkansas College of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Hospitals East CommunitiesGroup PAC ID 1658276811, 92 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020
• Mercy Hospital South Hospital, Saint Louis, MO, CCN 260077

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mercy Hospitals East Communities

  dba Mercy Hospital St Louis

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1427098169

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Cep America, LLC

  dba Vituity

  • Emergency Medicine Physician
  • Saint Louis, MO
  • NPI 1619332046
  Medicare reassignment NPD
• Mercy Hospital Jefferson

  • General Acute Care Hospital
  • Festus, MO
  • NPI 1508859661
  Medicare reassignment NPD
• Mercy Hospital South

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1568481984

  Emergency Medicine

  Medicare reassignment NPD
• Mercy Hospitals East Communities

  dba Mercy Hospital Washington

  • General Acute Care Hospital
  • Washington, MO
  • NPI 1285664177

  Emergency Medicine

  Medicare reassignment NPD
• Cep America LLC

  • Emergency Medicine Physician
  • Richmond Heights, MO
  • NPI 1942855366
  NPD
• Mercy Hospital Jefferson

  dba Mercy Home Health

  • Home Health Agency
  • Festus, MO
  • NPI 1396748588
  NPD
• Mercy Hospital South

  • Medicare Defined Swing Bed Hospital Unit
  • Saint Louis, MO
  • NPI 1033714209
  NPD
• Mercy Hospitals East Communities

  dba Mercy Hospital Washington McAuley Clinic

  • Rural Health Clinic/Center
  • Washington, MO
  • NPI 1104912997
  NPD
• Mercy Hospitals East Communities

  dba Mercy St. Louis Transport Ambulance

  • Land Ambulance
  • Saint Louis, MO
  • NPI 1881329902
  NPD
• St Louis Pathology Assoc Inc.

  • Anatomic Pathology & Clinical Pathology Physician
  • Saint Louis, MO
  • NPI 1194778415
  NPD
• Cep America LLC

  • Emergency Medicine Physician
  • Fort Lauderdale, FL
  • NPI 1700747946
  NPD

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

• Mercy Hospital South

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1568481984
  Care Compare affiliation
• Mercy Hospitals East Communities

  dba Mercy Hospital St Louis

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1427098169
  Care Compare affiliation
• Mercy Hospitals East Communities

  dba Mercy St. Louis Transport Ambulance

  • Land Ambulance
  • Saint Louis, MO
  • NPI 1881329902

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1561420800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1174184774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "615 S NEW BALLAS RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418221",
            "telephone_number": "314-251-6090",
            "fax_number": "314-251-1601"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "615 S NEW BALLAS RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418221",
            "telephone_number": "314-251-6090",
            "fax_number": "314-251-1601"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1400 US Highway 61",
            "address_purpose": "LOCATION",
            "city": "Festus",
            "state": "MO",
            "postal_code": "630284100",
            "country_code": "US",
            "telephone_number": "636-933-1111",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GESSERT",
        "first_name": "CONNER",
        "middle_name": "SCHWENT",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-25",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MO",
            "license": "2021025403",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michelle Lisa Gerstenhaber, OT
• Brittany Kay Gerstenkorn, NNP-BC
• Janice Marie Gerwitz
• Antonina S Gesmundo, MD
• Janice Gessel, CRNA
• Katrina Marie Gessi, FNP-BC
• Michelle Gestring
• Richard Edward Gestring, M.D.
• Henok Getahun, MD
• Katherine Gettinger, O.D.

• Emergency Medicine Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Emergency Medicine Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 16, 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.