Adderley Medical Group, L.L.C.
NPI 1134433659 · General Practice Physician · Festus, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adderley Medical Group, L.L.C. is a General Practice Physician organization in Festus, MO (NPI 1134433659).
Provider details
- NPI number
- 1134433659
- Entity type
- Organization
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Adderley, Member(314) 288-9161
- License
- 2007032281 (MO)
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
16 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
- 2010-07-27
- Last updated
- 2024-06-12
- Certified
- 2021-09-02
Frequently asked questions
- What is Adderley Medical Group, L.L.C.'s NPI number?
- Adderley Medical Group, L.L.C.'s National Provider Identifier (NPI) is 1134433659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Adderley Medical Group, L.L.C.?
- Adderley Medical Group, L.L.C. is classified in the NPPES registry as General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Adderley Medical Group, L.L.C. located?
- Adderley Medical Group, L.L.C.'s practice location on file with NPPES is 1400 US Highway 61, Festus, MO 63028-4100.
- What is Adderley Medical Group, L.L.C.'s phone number?
- The practice phone number listed in the NPPES registry for Adderley Medical Group, L.L.C. is (314) 288-9161.
- Does Adderley Medical Group, L.L.C. accept Medicare?
- Adderley Medical Group, 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 Adderley Medical Group, L.L.C.?
- The authorized official listed on Adderley Medical Group, L.L.C.'s NPPES record is Mark Adderley, Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Adderley Medical Group, L.L.C.'s NPI active?
- Yes — Adderley Medical Group, L.L.C.'s NPI (1134433659) is active in the NPPES registry as of the last update on 2024-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.