MERCY CLINIC PULMONOLOGY - ST. LOUIS, LLC
NPI 1821137886
Internal Medicine - Pulmonary Disease in Saint Louis, MO
About Mercy Clinic Pulmonology - St. Louis, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERCY CLINIC PULMONOLOGY - ST. LOUIS, LLC (NPI 1821137886), doing business as St. John's Mercy Pulmonary Specialists, is a healthcare organization registered as a pulmonary disease in Saint Louis, Missouri and active in the NPI registry since February 2007. The organization lists Jonathan Tyler Sturgeon, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mercy Clinic Pulmonology - St. Louis, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
26Medicare enrollment records show 26 clinicians reassign Medicare billing to Mercy Clinic Pulmonology - St. Louis, LLC, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 10 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 26Saint Louis, MO 63141
Saint Louis, MO 63141
Saint Louis, MO 63141
Saint Louis, MO 63141
Saint Louis, MO 63141
Saint Louis, MO 63141
Saint Louis, MO 63141
Saint Louis, MO 63144
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mercy Clinic Pulmonology - St. Louis, LLC's NPI number?
The NPI number for Mercy Clinic Pulmonology - St. Louis, LLC is 1821137886. It was assigned to this organization in the NPPES registry on February 6, 2007. The provider was formerly known as St. John's Mercy Pulmonary Specialists.
Where is Mercy Clinic Pulmonology - St. Louis, LLC located?
Mercy Clinic Pulmonology - St. Louis, LLC is located at 621 S New Ballas Rd Suite 228-A, Saint Louis, MO 63141. The listed phone number is (314) 251-4966.
What is Mercy Clinic Pulmonology - St. Louis, LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Mercy Clinic Pulmonology - St. Louis, LLC enrolled in Medicare?
Yes. Mercy Clinic Pulmonology - St. Louis, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mercy Clinic Pulmonology - St. Louis, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 26 clinicians in 5 Medicare specialties reassign their Medicare billing to Mercy Clinic Pulmonology - St. Louis, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (10), Pulmonary Disease (8) and Critical Care (Intensivists) (4). Of these, 7 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Mercy Clinic Pulmonology - St. Louis, LLC accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Mercy Clinic Pulmonology - St. Louis, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mercy Clinic Pulmonology - St. Louis, LLC was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mercy Clinic Pulmonology - St. Louis, Llc · NPI 1821137886
Pulmonary Disease organization in Saint Louis, Missouri. Organization record, active in the CMS NPPES registry since February 6, 2007.
## Identity
- **NPI:** 1821137886 (Entity type: Organization)
- **Enumerated:** February 6, 2007
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **Also known as:** St. John's Mercy Pulmonary Specialists (Former Legal Business Name)
- **Organization subpart:** Yes (part of Mercy Clinic East Communities)
- **Authorized official:** Jonathan Sturgeon, CFO
## Practice location
- **Address:** 621 S NEW BALLAS RD, SUITE 228-A, Saint Louis, MO 63141-8232
- **Phone:** (314) 251-4966 · **Fax:** (314) 251-4588
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 26 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (10), Pulmonary Disease (8), Critical Care (Intensivists) (4); 7 practice at this address and 10 within 10 miles; [full list](https://npiprofile.com/npi/1821137886/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1821137886) · Data from the CMS NPPES public registry.