DR. ANDREA LOISELLE MD
NPI 1194799783
Internal Medicine - Pulmonary Disease in Saint Louis, MO
About Dr. Andrea Loiselle Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREA LOISELLE MD (NPI 1194799783) is an individual pulmonary disease provider in Saint Louis, Missouri, licensed in Missouri (2012014729) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Andrea Loiselle Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Andrea Loiselle reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 clinicians in this Medicare group
Farmington, MO 63640
- Reassigned Medicare billing, Missouri enrollment
- 595 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63106
SAINT LOUIS, MO 63106
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Andrea Loiselle's NPI number?
The NPI number for Andrea Loiselle is 1194799783. It was assigned to this individual provider in the NPPES registry on February 13, 2006.
Where is Andrea Loiselle located?
Andrea Loiselle practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 289-7637.
What is Andrea Loiselle's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Andrea Loiselle enrolled in Medicare?
Yes. Andrea Loiselle is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Andrea Loiselle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Loiselle reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Saint Francis Medical Center (Farmington, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrea Loiselle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Andrea Loiselle was last updated on August 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Andrea Loiselle, MD · NPI 1194799783
Pulmonary Disease physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since February 13, 2006.
## Identity
- **NPI:** 1194799783 (Entity type: Individual)
- **Enumerated:** February 13, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 2012014729 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 915 N GRAND BLVD, Saint Louis, MO 63106-1621
- **Phone:** (314) 289-7637
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Washington University (NPI 1992746903, Saint Louis, MO); Saint Francis Medical Center (NPI 1013585561, Farmington, MO) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 15, 2025
- **Other identifiers:** Medicaid 209863208 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1194799783) · Data from the CMS NPPES public registry.