St. John'S Cardiovascular Associates L.L.C.
NPI 1518062017 · Cardiovascular Disease Physician · Chesterfield, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
St. John'S Cardiovascular Associates L.L.C. is a Cardiovascular Disease Physician organization in Chesterfield, MO (NPI 1518062017).
Provider details
- NPI number
- 1518062017
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leslie Mezei, Managing Member(314) 485-3500
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Interventional Cardiology Physician207RI0011X
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)
- Doing business as
- Premier Heart Group
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2010-02-01
Frequently asked questions
- What is St. John'S Cardiovascular Associates L.L.C.'s NPI number?
- St. John'S Cardiovascular Associates L.L.C.'s National Provider Identifier (NPI) is 1518062017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is St. John'S Cardiovascular Associates L.L.C.?
- St. John'S Cardiovascular Associates L.L.C. is classified in the NPPES registry as Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is St. John'S Cardiovascular Associates L.L.C. located?
- St. John'S Cardiovascular Associates L.L.C.'s practice location on file with NPPES is 121 Saint Lukes Center Dr, Chesterfield, MO 63017-3509.
- What is St. John'S Cardiovascular Associates L.L.C.'s phone number?
- The practice phone number listed in the NPPES registry for St. John'S Cardiovascular Associates L.L.C. is (314) 485-3500.
- Does St. John'S Cardiovascular Associates L.L.C. accept Medicare?
- St. John'S Cardiovascular Associates L.L.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for St. John'S Cardiovascular Associates L.L.C.?
- The authorized official listed on St. John'S Cardiovascular Associates L.L.C.'s NPPES record is Leslie Mezei, Managing Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is St. John'S Cardiovascular Associates L.L.C.'s NPI active?
- Yes — St. John'S Cardiovascular Associates L.L.C.'s NPI (1518062017) is active in the NPPES registry as of the last update on 2010-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.