Andrea Darcy O'Riordan

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

2026026802 Issued in MO

Practice address

4901 Forest Park Ave Ste 710
Saint Louis, MO 63108-1495

Phone

(314) 362-4211

NPI assigned

Jun 4, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1780531200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781222400000",
    "number": "1861325425",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4901 FOREST PARK AVE STE 710",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631081495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4901 FOREST PARK AVE STE 710",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631081495",
            "telephone_number": "314-362-4211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'RIORDAN",
        "first_name": "ANDREA",
        "middle_name": "DARCY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-04",
        "last_updated": "2026-06-12",
        "certification_date": "2026-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MO",
            "license": "2026026802",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "endpointDescription": "BJC",
            "affiliationName": "Barnes Jewish Hospital",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "4901 Forest Park Ave Ste 710",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631081495",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jerome H O'Neil Jr., MD
• Lauren O'Neil
• Addie Rose O'Neill
• Emily Paige O'Neill, OTR/L
• Maria Louise O'Neill, M.D.
• Brendan Michael O'Saben, PHARM. D
• Pamela O'Steen, AA-S
• Catherine O'Sullivan, MSW, LCSW
• Christopher O'Sullivan
• Kayla R O'Toole, MD

• Obstetrics & Gynecology Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Obstetrics & Gynecology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.