Individual provider Active NPI

Cassandra Jo Haddox, DO

  • Emergency Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1659606929
Registry record updated May 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
2009010648 Issued in MO
Practice address
3015 N Ballas Rd
Dept Emergency Med
Saint Louis, MO 63131-2329
Phone
(314) 966-5000
Fax
(314) 747-3338
NPI assigned
Oct 5, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 1, 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 2009010648 MO Primary

Addresses

Primary practice location

3015 N Ballas Rd
Dept Emergency Med
Saint Louis, MO 63131-2329

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 966-5000

Other identifiers 1

IdentifierTypeStateIssuer
207066408MedicaidMO

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, IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20090923000587 MO Practitioner - Emergency Medicine 0143376749 Reassigns benefits to 3 organizations
I20190329002324 IL Practitioner - Emergency Medicine 0143376749 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Kansas City University of Physicians and Surgeons, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Washington University Community Specialists LLCGroup PAC ID 8628588514, 94 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Christian Hospital Northeast Hospital, Saint Louis, MO, CCN 260180
  • Progress West Hospital Hospital, Ofallon, MO, CCN 260219
  • Barnes-Jewish St Peters Hospital Hospital, Saint Peters, MO, CCN 260191

Merit-based Incentive Payment System (MIPS)

Final score
87.3 of 100Reported as group
Quality
70.94
Improvement activities
40
Cost
92.94

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of nail tissue1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University Community Specialists, LLC CurrentSince Jul 1, 2025 Accepting new patients
Washington University CurrentSince May 1, 2025 Accepting new patients
Cepamerica Illinois LLP Emergency Medicine Current Accepting new patients
Vituity - Illinois Auc LLP Emergency Medicine CurrentSince Mar 10, 2019 Accepting new patients
Washington University CurrentSince May 1, 2025 Accepting new patients
Vituity - Illinois Auc LLP Emergency Medicine CurrentSince Mar 10, 2019 Accepting new patients
Cepamerica Illinois LLP Emergency Medicine CurrentSince Mar 10, 2019 Accepting new patients
Cep America, LLC Emergency Medicine Current Accepting new patients
Vituity - Illinois Auc LLP Emergency Medicine Current Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Feb 1, 2015 Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Feb 1, 2015 Accepting new patients
Cepamerica Illinois LLP Emergency Medicine CurrentSince Mar 10, 2019 Accepting new patients

Locations

2100 Powell St
Ste 900
Emeryville, CA 94608
Phone (510) 350-2777

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

801 W Temple Ave
Effingham, IL 62401
Phone (217) 342-5800

200 Health Care Dr
Greenville, IL 62246
Phone (618) 664-0808

1 Saint Elizabeth Blvd
O Fallon, IL 62269
Phone 618234212012438

4500 Memorial Dr
Swansea, IL 62226
Phone (618) 233-7750

1015 Bowles Ave
Fenton, MO 63026
Phone (636) 496-2000

1225 Graham Rd
#U
Florissant, MO 63031

100 Medical Plz
Lake St Louis, MO 63367
Phone (636) 625-5200

300 1st Capitol Dr
Saint Charles, MO 63301
Phone (636) 669-2211

3015 N Ballas Rd
Saint Louis, MO 63131
Phone (314) 996-5330

11133 Dunn Rd
#U
Saint Louis, MO 63136

1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170

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

400 S Kingshighway Blvd
#F
Saint Louis, MO 63110
Phone (314) 454-7900

660 S Euclid Ave
Saint Louis, MO 63110

500 Medical Dr
Wentzville, MO 63385
Phone (636) 327-1000

Organizations & group practices 12

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 4

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": "1254700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746057600000",
    "number": "1659606929",
    "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": "314-966-5000",
            "fax_number": "314-747-3338"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3015 N BALLAS RD",
            "address_2": "DEPT EMERGENCY MED",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631312329",
            "telephone_number": "314-966-5000",
            "fax_number": "314-747-3338"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HADDOX",
        "first_name": "CASSANDRA",
        "middle_name": "JO",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-10-05",
        "last_updated": "2025-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MO",
            "license": "2009010648",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "207066408",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "3015 N Ballas Rd",
            "address_2": "Dept Emergency Med",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631312329",
            "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.