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MERCY CLINIC CHILDREN'S RESPIRATORY AND SLEEP MEDICINE, LLC
NPI 1972532620
Pediatrics - Pediatric Pulmonology in Saint Louis, MO

Active since July 02, 2006CLIA 26D2051033 · Waiver
621 S NEW BALLAS RD, SUITE 382-A, SAINT LOUIS, MO 63141(314) 251-5880(314) 251-6088 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mercy Clinic Children's Respiratory And Sleep Medicine, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERCY CLINIC CHILDREN'S RESPIRATORY AND SLEEP MEDICINE, LLC (NPI 1972532620), doing business as Mercy Pediatric Pulmonary & Sleep, is a healthcare organization registered as a pediatric pulmonology in Saint Louis, Missouri and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through December 10, 2026 and lists Kerry Dunger, Executive Director - Finance, as its authorized official.

NPPES Registry Identity

NPI1972532620
Entity TypeOrganization
Primary Taxonomy2080P0214X
Legal Business NameMERCY CLINIC CHILDREN'S RESPIRATORY AND SLEEP MEDICINE, LLC
Location Address621 S NEW BALLAS RD, SUITE 382-ASaint Louis, MO 63141-8232
Mailing Address621 S New Ballas Rd, Suite 382-aSaint Louis, MO 63141-8232 · (314) 251-5880 · Fax (314) 251-6088
Phone(314) 251-5880
Fax(314) 251-6088
Organization SubpartYesParent: Mercy Clinic East Communities
Authorized OfficialKerry DungerExecutive Director - Finance · (314) 364-3707
Enumeration DateJuly 2, 2006
Last NPPES UpdateApril 25, 2025
NPPES CertifiedApril 25, 2025
✔ NPI 1972532620 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
621 S NEW BALLAS RD, Saint Louis, MO 63141
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Other Names 1

Former Legal Business NameMercy Pediatric Pulmonary & Sleep

Other Identifiers 1

Medicaid504020207MO

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.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 Children's Respiratory And Sleep Medicine, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Mercy Clinic Children's Respiratory And Sleep Medicine, LLC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

John Spivey, M.D
Pediatric Medicine
NPI 1922023183
621 S NEW BALLAS RD SUITE 382-A
Saint Louis, MO 63141
(314) 251-5880
✔ PECOS1.5 mi
Lee Choo-Kang, M.D.
Pediatric Medicine
NPI 1144366196
621 S NEW BALLAS RD SUITE 382-A
Saint Louis, MO 63141
(314) 251-6933
✔ PECOS1.6 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 26D2051033

Mercy Clinic Children's Respiratory And Sleep Medi · Saint Louis, MO
Active · expires Dec 10, 2026
CLIA Number26D2051033
Laboratory TypePhysician Office
Certificate Effective DateDecember 11, 2024
Certificate Expiration DateDecember 10, 2026
Laboratory DirectorLee R. Choo-Kang
Laboratory Phone(314) 251-5880
Laboratory LocationMercy Clinic Children's Respiratory And Sleep Medi621 South New Ballas Road Suite 382 A, Saint Louis, MO 63141
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Children's Respiratory And Sleep Medicine, LLC's NPI number?

The NPI number for Mercy Clinic Children's Respiratory And Sleep Medicine, LLC is 1972532620. It was assigned to this organization in the NPPES registry on July 2, 2006. The provider was formerly known as Mercy Pediatric Pulmonary & Sleep.

Where is Mercy Clinic Children's Respiratory And Sleep Medicine, LLC located?

Mercy Clinic Children's Respiratory And Sleep Medicine, LLC is located at 621 S New Ballas Rd Suite 382-A, Saint Louis, MO 63141. The listed phone number is (314) 251-5880.

What is Mercy Clinic Children's Respiratory And Sleep Medicine, LLC's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is Mercy Clinic Children's Respiratory And Sleep Medicine, LLC enrolled in Medicare?

Yes. Mercy Clinic Children's Respiratory And Sleep Medicine, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mercy Clinic Children's Respiratory And Sleep Medicine, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Pediatric Medicine, reassign their Medicare billing to Mercy Clinic Children's Respiratory And Sleep Medicine, 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. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Mercy Clinic Children's Respiratory And Sleep Medicine, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 26D2051033) is associated with this NPI, valid through December 10, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Mercy Clinic Children's Respiratory And Sleep Medicine, 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 Children's Respiratory And Sleep Medicine, 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 Children's Respiratory And Sleep Medicine, LLC was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.