John Frattini, MD
NPI 1124093810 · Critical Care Medicine (Internal Medicine) Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Frattini, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Chesterfield, MO (NPI 1124093810).
Provider details
- NPI number
- 1124093810
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- R6H05 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 12255 Depaul DrSuite 500Bridgeton, MO 63044-6304Phone: (314) 209-5180
Registry dates
- Enumerated
- 2006-02-17
- Last updated
- 2022-05-19
- Certified
- 2022-05-04
Frequently asked questions
- What is John Frattini's NPI number?
- John Frattini's National Provider Identifier (NPI) is 1124093810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Frattini's specialty?
- John Frattini is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John Frattini located?
- John Frattini's practice location on file with NPPES is 232 S. Woodsmill Road, Chesterfield, MO 63017-3417.
- What is John Frattini's phone number?
- The practice phone number listed in the NPPES registry for John Frattini is (314) 434-1500.
- Does John Frattini accept Medicare?
- John Frattini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Frattini's NPI active?
- Yes — John Frattini's NPI (1124093810) is active in the NPPES registry as of the last update on 2022-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.