A-1 Internal Medicine LLC
NPI 1265845069 · Internal Medicine Physician · Mandeville, LA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
A-1 Internal Medicine LLC is a Internal Medicine Physician organization in Mandeville, LA (NPI 1265845069).
Provider details
- NPI number
- 1265845069
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andrew Baier, Manager(985) 373-0058
- License
- MD204287 (LA)
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
12 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
- 2014-06-09
- Last updated
- 2014-10-16
Frequently asked questions
- What is A-1 Internal Medicine LLC's NPI number?
- A-1 Internal Medicine LLC's National Provider Identifier (NPI) is 1265845069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is A-1 Internal Medicine LLC?
- A-1 Internal Medicine LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is A-1 Internal Medicine LLC located?
- A-1 Internal Medicine LLC's practice location on file with NPPES is 533 Carroll St, Mandeville, LA 70448-5108.
- What is A-1 Internal Medicine LLC's phone number?
- The practice phone number listed in the NPPES registry for A-1 Internal Medicine LLC is (985) 373-0058.
- Does A-1 Internal Medicine LLC accept Medicare?
- A-1 Internal Medicine 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 A-1 Internal Medicine LLC?
- The authorized official listed on A-1 Internal Medicine LLC's NPPES record is Andrew Baier, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is A-1 Internal Medicine LLC's NPI active?
- Yes — A-1 Internal Medicine LLC's NPI (1265845069) is active in the NPPES registry as of the last update on 2014-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.