Organization Active NPI

Mercy Clinic Pulmonology - St. Louis, LLC

  • Pulmonary Disease Physician
  • Saint Louis, MO
National Provider Identifier
1821137886
Registry record updated Feb 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
106178 Issued in MO
Legal business name
MERCY CLINIC PULMONOLOGY - ST. LOUIS, LLC
Practice address
621 S New Ballas Rd
Suite 228-a
Saint Louis, MO 63141-8232
Phone
(314) 251-4966
Fax
(314) 251-4588
NPI assigned
Feb 6, 2007
Last updated
Feb 19, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
MERCY CLINIC EAST COMMUNITIESAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Feb 19, 2026

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

Authorized official

Name
Jonathan Tyler Sturgeon
Title
Cfo
Phone
(314) 251-1917

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X 106178 MO Primary

Addresses

Primary practice location

621 S New Ballas Rd
Suite 228-a
Saint Louis, MO 63141-8232

Mailing address

621 S New Ballas Rd Ste 228a
Saint Louis, MO 63141-8256
Phone (314) 251-4966

Other names 1

  • St. John's Mercy Pulmonary Specialists Former legal business name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20090416000577 MO Part B Supplier - Clinic/Group Practice 2365599925 Receives reassigned benefits from 24 practitioners
Practice locations: Saint Charles, MO; Saint Louis, MO; Hazelwood, MO; Festus, MO; Chesterfield, MO

National Provider Directory

National Provider Directory
Tax ID family
Mercy Clinic Pulmonology - St Louis LLC2 organizations share this tax ID, including this one
Part of
Mercy Clinic Communities

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

Member of 2

Organizations this organization is a member of, according to the National Provider Directory.

Locations

1390 US Highway 61
Ste N2300
Crystal Cty, MO 63028
Phone (636) 543-2405

1400 US Highway 61
Ste 250
Crystal Cty, MO 63028
Phone (636) 543-2420

12348 Old Tesson Rd
Ste 270
Saint Louis, MO 63128
Phone (314) 251-2870

621 S New Ballas Rd
Ste 262A
Saint Louis, MO 63141
Phone (314) 251-4966

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

Practitioners & affiliated clinicians

Practitioners 33

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.

View all 33

NPI Registry JSON

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

{
    "created_epoch": "1170720000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771459200000",
    "number": "1821137886",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 228A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418256",
            "telephone_number": "314-251-4966",
            "fax_number": "314-251-4588"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD",
            "address_2": "SUITE 228-A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418232",
            "telephone_number": "314-251-4966",
            "fax_number": "314-251-4588"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MERCY CLINIC PULMONOLOGY - ST. LOUIS, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "MERCY CLINIC EAST COMMUNITIES",
        "enumeration_date": "2007-02-06",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A",
        "authorized_official_last_name": "STURGEON",
        "authorized_official_first_name": "JONATHAN",
        "authorized_official_middle_name": "TYLER",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "314-251-1917"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MO",
            "license": "106178",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "St. John's Mercy Pulmonary Specialists",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

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 Feb 19, 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.