Individual provider Active NPI

Genevieve Stauffer Pentecost, MD

  • Emergency Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1336719525
Registry record updated Jul 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
2023000515 Issued in MO
Practice address
11133 Dunn Rd
Dept Emergency Med
Saint Louis, MO 63136-6163
Phone
(314) 362-9123
Fax
(314) 747-9160
NPI assigned
Jun 29, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 14, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 2023000515 MO Primary

Addresses

Primary practice location

11133 Dunn Rd
Dept Emergency Med
Saint Louis, MO 63136-6163

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-9123

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20241219002199 MO Practitioner - Emergency Medicine 1850828591 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Hospital SouthGroup PAC ID 8426962556, 45 clinicians
Washington University Community Specialists LLCGroup PAC ID 8628588514, 94 clinicians
Camden Emergency Group LLCGroup PAC ID 2961665369, 31 clinicians

Practice addresses (Care Compare)

10010 Kennerly Rd
Saint Louis, MO 63128-2106
Phone (314) 525-1906

11133 Dunn Rd
Saint Louis, MO 63136-6163
Phone (314) 362-9123

54 Hospital Dr
Osage Beach, MO 65065-3050
Phone (573) 348-8000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University Community Specialists, LLC CurrentSince Jul 1, 2025 Accepting new patients
Mercy Hospital Jefferson CurrentSince Sep 8, 2025 Accepting new patients
Mercy Hospitals East Communities Emergency Medicine CurrentSince Sep 8, 2025 Accepting new patients
Camden Emergency Group LLC Emergency Medicine CurrentSince Nov 20, 2024 Accepting new patients
Mercy Hospital Jefferson CurrentSince Sep 8, 2025 Accepting new patients
Mercy Hospital South Emergency Medicine CurrentSince Sep 8, 2025 Accepting new patients
Mercy Hospitals East Communities CurrentSince Sep 8, 2025 Accepting new patients
Mercy Hospitals East Communities CurrentSince Sep 8, 2025 Accepting new patients
Mercy Hospital South CurrentSince Sep 8, 2025 Accepting new patients
Mercy Hospitals East Communities Emergency Medicine CurrentSince Sep 8, 2025 Accepting new patients

Locations

1400 US Highway 61
Crystal Cty, MO 63028
Phone (636) 933-1111

1225 Graham Rd
#U
Florissant, MO 63031

54 Hospital Dr
Osage Beach, MO 65065
Phone (573) 280-2772

10010 Kennerly Rd
Saint Louis, MO 63128
Phone (314) 525-1328

615 S New Ballas Rd
Saint Louis, MO 63141
Phone (314) 251-4687

660 S Euclid Ave
Saint Louis, MO 63110

11133 Dunn Rd
#U
Saint Louis, MO 63136

11133 Dunn Rd
Saint Louis, MO 63136
Phone (314) 653-5000

901 E 5th St
Washington, MO 63090
Phone (636) 239-8000

Organizations & group practices 10

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.

NPI Registry JSON

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

{
    "created_epoch": "1624924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752451200000",
    "number": "1336719525",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-362-9123",
            "fax_number": "314-747-9160"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11133 DUNN RD",
            "address_2": "DEPT EMERGENCY MED",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631366163",
            "telephone_number": "314-362-9123",
            "fax_number": "314-747-9160"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PENTECOST",
        "first_name": "GENEVIEVE",
        "middle_name": "STAUFFER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-29",
        "last_updated": "2025-07-14",
        "certification_date": "2021-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MO",
            "license": "2023000515",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "11133 Dunn Rd",
            "address_2": "Dept Emergency Med",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631366163",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.