Allegiant Pathologists LLC
NPI 1639151442 · Anatomic Pathology & Clinical Pathology Physician · Saint Charles, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allegiant Pathologists LLC is a Anatomic Pathology & Clinical Pathology Physician organization in Saint Charles, MO (NPI 1639151442).
Provider details
- NPI number
- 1639151442
- Entity type
- Organization
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Joseph Lombardo, President(800) 288-8325
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
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
Registry dates
- Enumerated
- 2005-11-17
- Last updated
- 2024-03-13
- Certified
- 2024-03-13
Frequently asked questions
- What is Allegiant Pathologists LLC's NPI number?
- Allegiant Pathologists LLC's National Provider Identifier (NPI) is 1639151442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Allegiant Pathologists LLC?
- Allegiant Pathologists LLC is classified in the NPPES registry as Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Allegiant Pathologists LLC located?
- Allegiant Pathologists LLC's practice location on file with NPPES is 300 1st Capitol Dr, Saint Charles, MO 63301-2844.
- What is Allegiant Pathologists LLC's phone number?
- The practice phone number listed in the NPPES registry for Allegiant Pathologists LLC is (636) 947-5420.
- Does Allegiant Pathologists LLC accept Medicare?
- Allegiant Pathologists 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 Allegiant Pathologists LLC?
- The authorized official listed on Allegiant Pathologists LLC's NPPES record is Joseph Lombardo, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Allegiant Pathologists LLC's NPI active?
- Yes — Allegiant Pathologists LLC's NPI (1639151442) is active in the NPPES registry as of the last update on 2024-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.