Mercy Support Services
NPI 1417999723 · Maternal & Fetal Medicine Physician · Saint Louis, MO
Mercy Support Services is a Maternal & Fetal Medicine Physician organization in Saint Louis, MO (NPI 1417999723).
Provider details
- NPI number
- 1417999723
- Entity type
- Organization
- Primary specialty
- Maternal & Fetal Medicine 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
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
- Cardiovascular Disease Physician207RC0000X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Vascular Surgery Physician2086S0129X
Allopathic & Osteopathic Physicians
- Urology Physician208800000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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 Support Services
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2014-05-08
Frequently asked questions
- What is Mercy Support Services's NPI number?
- Mercy Support Services's National Provider Identifier (NPI) is 1417999723, 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 Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mercy Support Services located?
- Mercy Support Services's practice location on file with NPPES is 615 S New Ballas Rd, Saint Louis, MO 63141-8221.
- What is Mercy Support Services's phone number?
- The practice phone number listed in the NPPES registry for Mercy Support Services is (314) 251-6000.
- Who is the authorized official for Mercy Support Services?
- The authorized official listed on Mercy Support Services'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 Support Services's NPI active?
- Yes — Mercy Support Services's NPI (1417999723) is active in the NPPES registry as of the last update on 2014-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.