OrganizationActive
Mercy Support Services
NPI 1265572812 · Clinic/Center · Saint Louis, MO
Mercy Support Services is a Clinic/Center organization in Saint Louis, MO (NPI 1265572812).
Provider details
- NPI number
- 1265572812
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Parent organization
- Mercy Hospitals East Communities
- Organization subpart
- Yes
- Authorized official
- Jeffrey Johnston, President(314) 251-6000
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(90/100 index)
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
621 S New Ballas Rd
Saint Louis, MO 63141-8232
Phone: (314) 251-6382
Fax: (314) 251-4454
Street-level locationGet directions
Mailing address
621 S New Ballas Rd
Saint Louis, MO 63141-8232
Other names (DBA / former)
- Doing business as
- Mercy Jfk Clinic
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2012-04-30
Frequently asked questions
- What is Mercy Support Services's NPI number?
- Mercy Support Services's National Provider Identifier (NPI) is 1265572812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Support Services?
- Mercy Support Services is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is Mercy Support Services located?
- Mercy Support Services's practice location on file with NPPES is 621 S New Ballas Rd, Saint Louis, MO 63141-8232.
- What is Mercy Support Services's phone number?
- The practice phone number listed in the NPPES registry for Mercy Support Services is (314) 251-6382.
- Who is the authorized official for Mercy Support Services?
- The authorized official listed on Mercy Support Services's NPPES record is Jeffrey Johnston, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Support Services's NPI active?
- Yes — Mercy Support Services's NPI (1265572812) is active in the NPPES registry as of the last update on 2012-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.