Katrina Marie Gessi, FNP-BC

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

2025038274 Issued in MO

Practice address

1201 S Grand Blvd
Saint Louis, MO 63104-1016

Phone

(314) 257-8000

NPI assigned

Sep 4, 2025

Sex

Female

Sole proprietor

Yes

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

SSM Health Care GroupGroup PAC ID 0143608372, 929 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health Saint Louis University Hospital Hospital, Saint Louis, MO, CCN 260105

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kgessi380797@direct-ehr-ssmhc.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.

• SSM Health Care Group

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1306589544
  Medicare reassignment Care Compare group NPD
• SSM Health Care Group

  • Dermatopathology Physician
  • Saint Louis, MO
  • NPI 1932844495
  NPD

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

• SSM-Sluh Inc

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1942685920
  Care Compare affiliation

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

{
    "created_epoch": "1756944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1144100736",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1619 THUNDERBIRD LN",
            "city": "BELLEVILLE",
            "state": "IL",
            "postal_code": "622216717"
        },
        {
            "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": "314-257-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GESSI",
        "first_name": "KATRINA",
        "middle_name": "MARIE",
        "name_prefix": "Mrs.",
        "credential": "FNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-09-04",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MO",
            "license": "2025038274",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brittany Kay Gerstenkorn, NNP-BC
• Janice Marie Gerwitz
• Antonina S Gesmundo, MD
• Janice Gessel, CRNA
• Conner Schwent Gessert, MD
• Michelle Gestring
• Richard Edward Gestring, M.D.
• Henok Getahun, MD
• Katherine Gettinger, O.D.
• Katie Fitzgerald Gettinger, PNP

• Nurse Practitioner in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.