NPIMap

Karsen Corn, MD

Individual provider Active NPI Orthopaedic Surgery Physician · Saint Louis, MO

NPI 1104386796 · NPPES record last updated Aug 11, 2025

Key facts

NPI
1104386796
Entity type
Individual (NPI type 1)
Primary specialty
Orthopaedic Surgery Physician 207X00000X
License
2025032744 (MO)
Practice address
1201 S Grand Blvd
Saint Louis, MO 63104-1016
Phone
(146) 172-0003
Fax
(314) 268-5121
NPI assigned
Mar 21, 2019
Sex
Female
Sole proprietor
No

Organizations & group practices 14

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.

Hospital & facility affiliations 6

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

Medicare Care Compare profile

Specialty
Orthopedic Surgery
Education
Indiana University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
SSM Health Care Group (929 clinicians)
SSM Medical Group Inc (565 clinicians)

Practice addresses (Care Compare)

1201 S Grand Blvd
Saint Louis, MO 63104-1016
Phone (314) 617-2000

400 Medical PLZ
Suite 100
Lake St Louis, MO 63367-1493
Phone (636) 639-8600

Hospital & facility affiliations

  • SSM Health at Home Home Health-St. Louis Home health agency · Saint Louis, MO · CCN 267184
  • SSM Health Saint Louis University Hospital Hospital · Saint Louis, MO · CCN 260105
  • SSM Health St Mary'S Hospital - St Louis Hospital · Saint Louis, MO · CCN 260091
  • SSM St Joseph Hospital West Hospital · Lake Saint Louis, MO · CCN 260200
  • SSM Health Depaul Hospital St Louis Hospital · Bridgeton, MO · CCN 260104

Procedures performed for Medicare patients

ProcedureNumber of procedures
Knee replacement1-10

Medicare participation

Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20250818002734 MO Practitioner - Orthopedic Surgery 6002141850 Reassigns benefits to 2 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
SSM Medical Group Inc. Current
since Nov 15, 2025		 Accepting new patients
SSM Health Care Group Orthopaedic Surgery Current
since Aug 1, 2025		 Accepting new patients
SSM Medical Group, Inc. Current
since Nov 15, 2025		 Accepting new patients
SSM Health Care Group Current
since Aug 1, 2025		 Accepting new patients
SSM Medical Group Inc. Orthopaedic Surgery Past Accepting new patients

Locations

400 Medical Plz
Ste 100
Lake St Louis, MO 63367
Phone (636) 639-8600

1035 Bellevue Ave
Ste 500
Saint Louis, MO 63117
Phone (314) 647-1115

10101 Woodfield Ln
Saint Louis, MO 63132
Phone (608) 280-4647

3635 Vista Ave
Saint Louis, MO 63110
Phone (314) 577-8022

1031 Bellevue Ave
Ste 280A
Saint Louis, MO 63117
Phone (314) 617-2110

1201 S Grand Blvd
Saint Louis, MO 63104
Phone (314) 257-8222

1402 S Grand Blvd
Saint Louis, MO 63104
Phone (314) 577-8762

1402 S Grand Blvd
Rm M260
Saint Louis, MO 63104
Phone (314) 617-2359

Interoperability endpoints

  • Direct secure messaging: kcorn309434@direct-ehr-ssmhc.com

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 2025032744 MO Yes

Addresses

Primary practice location

1201 S Grand Blvd
Saint Louis, MO 63104-1016

Mailing address

1402 S Grand Blvd
Saint Louis, MO 63104-1004
Phone (314) 577-8850

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Aug 11, 2025.

{
    "created_epoch": "1553126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754870400000",
    "number": "1104386796",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1402 S GRAND BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631041004",
            "telephone_number": "314-577-8850",
            "fax_number": "314-268-5121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 S GRAND BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631041016",
            "telephone_number": "146-172-0003",
            "fax_number": "314-268-5121"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CORN",
        "first_name": "KARSEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-21",
        "last_updated": "2025-08-11",
        "certification_date": "2025-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MO",
            "license": "2025032744",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

All providers in Saint Louis, MO · Orthopaedic Surgery Physician in Missouri

Sources for this page

Verify at the official NPI Registry.