Mercy Clinic Children'S Hospitalists - St. Louis, LLC
NPI 1235225475 · Pediatrics Physician · Saint Louis, MO
Mercy Clinic Children'S Hospitalists - St. Louis, LLC is a Pediatrics Physician organization in Saint Louis, MO (NPI 1235225475).
Provider details
- NPI number
- 1235225475
- Entity type
- Organization
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Mercy Hospitals East Communities
- Organization subpart
- Yes
- Authorized official
- Jeffrey Johnston, President, Mercy Hospital St. Louis(314) 251-1932
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Former legal business name
- St. John'S Mercy Medical Center-St. John'S Pediatric Services
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2014-05-06
Frequently asked questions
- What is Mercy Clinic Children'S Hospitalists - St. Louis, LLC's NPI number?
- Mercy Clinic Children'S Hospitalists - St. Louis, LLC's National Provider Identifier (NPI) is 1235225475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Clinic Children'S Hospitalists - St. Louis, LLC?
- Mercy Clinic Children'S Hospitalists - St. Louis, LLC is classified in the NPPES registry as Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mercy Clinic Children'S Hospitalists - St. Louis, LLC located?
- Mercy Clinic Children'S Hospitalists - St. Louis, LLC's practice location on file with NPPES is 621 S New Ballas Rd, Saint Louis, MO 63141-8232.
- What is Mercy Clinic Children'S Hospitalists - St. Louis, LLC's phone number?
- The practice phone number listed in the NPPES registry for Mercy Clinic Children'S Hospitalists - St. Louis, LLC is (314) 251-6299.
- Who is the authorized official for Mercy Clinic Children'S Hospitalists - St. Louis, LLC?
- The authorized official listed on Mercy Clinic Children'S Hospitalists - St. Louis, LLC's NPPES record is Jeffrey Johnston, President, Mercy Hospital St. Louis. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Clinic Children'S Hospitalists - St. Louis, LLC's NPI active?
- Yes — Mercy Clinic Children'S Hospitalists - St. Louis, LLC's NPI (1235225475) is active in the NPPES registry as of the last update on 2014-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.