Medical Associates of Chesterfield, LLC
NPI 1265778138 · Internal Medicine Physician · Chesterfield, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Medical Associates of Chesterfield, LLC is a Internal Medicine Physician organization in Chesterfield, MO (NPI 1265778138).
Provider details
- NPI number
- 1265778138
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- St. Lukes Medical Group
- Organization subpart
- Yes
- Authorized official
- Darren Haskell, Chief Medical Officer(314) 205-6444
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Registry dates
- Enumerated
- 2012-12-21
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Medical Associates of Chesterfield, LLC's NPI number?
- Medical Associates of Chesterfield, LLC's National Provider Identifier (NPI) is 1265778138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medical Associates of Chesterfield, LLC?
- Medical Associates of Chesterfield, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Medical Associates of Chesterfield, LLC located?
- Medical Associates of Chesterfield, LLC's practice location on file with NPPES is 224 S Woods Mill Rd Ste 370s, Chesterfield, MO 63017-3603.
- What is Medical Associates of Chesterfield, LLC's phone number?
- The practice phone number listed in the NPPES registry for Medical Associates of Chesterfield, LLC is (314) 878-2460.
- Does Medical Associates of Chesterfield, LLC accept Medicare?
- Medical Associates of Chesterfield, LLC 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 Medical Associates of Chesterfield, LLC?
- The authorized official listed on Medical Associates of Chesterfield, LLC's NPPES record is Darren Haskell, Chief Medical Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medical Associates of Chesterfield, LLC's NPI active?
- Yes — Medical Associates of Chesterfield, LLC's NPI (1265778138) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.