Individual provider Active NPI

Leena Lata Stemler, MD

  • Pediatric Sleep Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1063686335
Registry record updated Feb 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Sleep Medicine PhysicianTaxonomy code 2080S0012X
License
2014034704 Issued in MO
Practice address
1 Childrens PL
Div Ped Allergy/Immuno/Pulmo
Saint Louis, MO 63110-1002
Phone
(314) 454-2694
Fax
(844) 231-8913
NPI assigned
Apr 17, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 4, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Pulmonology Physician 2080P0214X 2014034704 MO
Pediatric Sleep Medicine Physician 2080S0012X 2014034704 MO Primary

Addresses

Primary practice location

1 Childrens PL
Div Ped Allergy/Immuno/Pulmo
Saint Louis, MO 63110-1002

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 454-2694

Other identifiers 1

IdentifierTypeStateIssuer
204203905MedicaidMO

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
I20100720000199 MO Practitioner - Pediatric MedicinePractitioner - Pulmonary DiseasePractitioner - Emergency Medicine 3577695089 Reassigns benefits to 3 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2014034704MOMDPediatric Pulmonology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Sep 25, 2014 Accepting new patients
Mercy Hospitals East Communities CurrentSince Apr 1, 2020 Accepting new patients
Mercy Hospital South CurrentSince Apr 6, 2020 Accepting new patients
Mercy Hospitals East Communities CurrentSince Apr 1, 2020 Accepting new patients
Washington University CurrentSince Sep 25, 2014 Accepting new patients
Mercy Hospital South CurrentSince Apr 6, 2020 Accepting new patients
Washington University Past Accepting new patients

Locations

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

1 Childrens Pl
#8328
Saint Louis, MO 63110

12436 Tesson Ferry Rd
Saint Louis, MO 63128
Phone (314) 454-6336

1 Childrens Pl
Saint Louis, MO 63110
Phone (314) 454-2076

5114 Mid America Plz
Ste 3A
Saint Louis, MO 63129
Phone (314) 454-6120

1 Childrens Pl
Ste C
Saint Louis, MO 63110
Phone (314) 454-2104

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

1 Childrens Pl
#8116
Saint Louis, MO 63110
Phone (314) 454-6095

13001 North Outer 40 Rd
Ste 2E
Town and Country, MO 63017
Phone (314) 454-3220

Organizations & group practices 7

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.

NPI Registry JSON

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

{
    "created_epoch": "1208390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1063686335",
    "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": "314-454-2694",
            "fax_number": "844-231-8913"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 CHILDRENS PL",
            "address_2": "DIV PED ALLERGY/IMMUNO/PULMO",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101002",
            "telephone_number": "314-454-2694",
            "fax_number": "844-231-8913"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEMLER",
        "first_name": "LEENA",
        "middle_name": "LATA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-04-17",
        "last_updated": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0214X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Pulmonology",
            "state": "MO",
            "license": "2014034704",
            "primary": false
        },
        {
            "code": "2080S0012X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Sleep Medicine",
            "state": "MO",
            "license": "2014034704",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "204203905",
            "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": "1 Childrens Pl",
            "address_2": "Div Ped Allergy/Immuno/Pulmo",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101002",
            "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.