River Sirens Collective

Primary specialty

Public Health & General Preventive Medicine PhysicianTaxonomy code 2083P0901X

Legal business name

RIVER SIRENS COLLECTIVE

Practice address

209 W 2ND St
Washington, MO 63090-2132

Phone

(636) 283-0437

NPI assigned

Nov 19, 2025

Organization subpart

No

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

Authorized official

Name

Dr. Delene P. Musielak, MD,FACP,FAAP,DABOM

Title

Medical Director

Phone

(314) 377-2510

Specialties & licenses 4

Addresses

Locations

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

{
    "created_epoch": "1763510400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1763510400000",
    "number": "1598626657",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "209 W 2ND ST",
            "city": "WASHINGTON",
            "state": "MO",
            "postal_code": "630902132",
            "telephone_number": "636-283-0437"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "209 W 2ND ST",
            "city": "WASHINGTON",
            "state": "MO",
            "postal_code": "630902132",
            "telephone_number": "636-283-0437"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RIVER SIRENS COLLECTIVE",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-11-19",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A",
        "authorized_official_last_name": "MUSIELAK",
        "authorized_official_first_name": "DELENE",
        "authorized_official_middle_name": "P.",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR",
        "authorized_official_telephone_number": "314-377-2510",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD,FACP,FAAP,DABOM"
    },
    "taxonomies": [
        {
            "code": "2083B0002X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Preventive Medicine, Obesity Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2083P0901X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Preventive Medicine, Public Health & General Preventive Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas Bradley Riechers, MD
• Bret Allen Riegel, M.D.
• Rieser Family Dental, L.L.C.
• Andrew Raymond Rieser, DMD
• Connie C Rieser, DDS
• River Willow Dental Center LLC
• Riverfront Therapy LLC
• Madison Kay Roberts
• Katelyn Elizabeth Robles, M.S., CF-SLP
• Roger Walkenhorst D.D.S.

• Public Health & General Preventive Medicine Physician in Washington, MO
• Providers in Washington, MO by specialty
• Public Health & General Preventive Medicine Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.