Organization Active NPI

Lakeside Behavioral Health, LLC

  • Psychiatry Physician
  • Saint Louis, MO
National Provider Identifier
1093269003
Registry record updated Oct 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
Legal business name
LAKESIDE BEHAVIORAL HEALTH, LLC
Practice address
4121 Union Rd Ste 201
Saint Louis, MO 63129-1070
Phone
(314) 930-3520
NPI assigned
Aug 8, 2016
Last updated
Oct 6, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 6, 2026

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

Authorized official

Name
Dr. Ashok Yanamadala, M.DNPI 1558418301
Title
Psychiatrist
Phone
(314) 930-3520

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Clinic/Center (Including Community Mental Health Center) 261QM0801X NU
Psychiatry Physician 2084P0800X NU Primary

Addresses

Primary practice location

4121 Union Rd Ste 201
Saint Louis, MO 63129-1070

Mailing address

4121 Union Rd Ste 201
Saint Louis, MO 63129-1070

Other practice location 1

852 Cambridge Blvd Ste 300
O Fallon, IL 62269-4010
Phone (314) 930-3520

Other practice location 2

500 N Dearborn St Ste 700
Chicago, IL 60654-3397
Phone (314) 930-3520

Other identifiers 1

IdentifierTypeStateIssuer
1093269003MedicaidMO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, IL2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20161207000371 MO Part B Supplier - Clinic/Group Practice 9436439510 Receives reassigned benefits from 4 practitioners
Practice locations: Saint Louis, MO
O20260504006272 IL Part B Supplier - Clinic/Group Practice 9436439510 Receives reassigned benefits from 3 practitioners
Practice locations: O Fallon, IL

National Provider Directory

National Provider Directory

Locations

852 Cambridge Blvd
Ste 300
O Fallon, IL 62269

1000 Lake Saint Louis Blvd
Ste 134
Lake St Louis, MO 63367
Phone (314) 616-6699

4121 Union Rd
Ste 201
Saint Louis, MO 63129
Phone (314) 930-3520

Practitioners & affiliated clinicians

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1470614400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1791244800000",
    "number": "1093269003",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4121 UNION RD STE 201",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631291070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4121 UNION RD STE 201",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631291070",
            "telephone_number": "314-930-3520"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "852 Cambridge Blvd Ste 300",
            "address_purpose": "LOCATION",
            "city": "O Fallon",
            "state": "IL",
            "postal_code": "622694010",
            "country_code": "US",
            "telephone_number": "314-930-3520",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 N Dearborn St Ste 700",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606543397",
            "country_code": "US",
            "telephone_number": "314-930-3520",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "LAKESIDE BEHAVIORAL HEALTH, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2016-08-08",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A",
        "authorized_official_last_name": "YANAMADALA",
        "authorized_official_first_name": "ASHOK",
        "authorized_official_title_or_position": "PSYCHIATRIST",
        "authorized_official_telephone_number": "314-930-3520",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D"
    },
    "taxonomies": [
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1093269003",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.