St John'S Mercy Medical Group
NPI 1326174079 · Family Nurse Practitioner · Arnold, MO
St John'S Mercy Medical Group is a Family Nurse Practitioner organization in Arnold, MO (NPI 1326174079).
Provider details
- NPI number
- 1326174079
- Entity type
- Organization
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Karen Slattery, Family Nurse Practitioner(636) 282-9899
- License
- RN127212 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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)
- Doing business as
- Abercrombie Family Practice
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2020-08-22
Frequently asked questions
- What is St John'S Mercy Medical Group's NPI number?
- St John'S Mercy Medical Group's National Provider Identifier (NPI) is 1326174079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is St John'S Mercy Medical Group?
- St John'S Mercy Medical Group is classified in the NPPES registry as Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is St John'S Mercy Medical Group located?
- St John'S Mercy Medical Group's practice location on file with NPPES is 18 Fox Valley Ctr, Arnold, MO 63010-2281.
- What is St John'S Mercy Medical Group's phone number?
- The practice phone number listed in the NPPES registry for St John'S Mercy Medical Group is (636) 282-9899.
- Who is the authorized official for St John'S Mercy Medical Group?
- The authorized official listed on St John'S Mercy Medical Group's NPPES record is Karen Slattery, Family Nurse Practitioner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is St John'S Mercy Medical Group's NPI active?
- Yes — St John'S Mercy Medical Group's NPI (1326174079) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.