LOU-ELLEN LALLIER CRNP
NPI 1649480096
Nurse Practitioner - Acute Care in Baltimore, MD
About Lou-ellen Lallier Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOU-ELLEN LALLIER CRNP (NPI 1649480096) is an individual acute care provider in Baltimore, Maryland, licensed in Maryland (R131571) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lou-ellen Lallier Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Lou-ellen Lallier reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 89 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Shock Trauma Associates PA
- 541 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 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Lou-ellen Lallier's NPI number?
The NPI number for Lou-ellen Lallier is 1649480096. It was assigned to this individual provider in the NPPES registry on May 23, 2007.
Where is Lou-ellen Lallier located?
Lou-ellen Lallier practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-3737.
What is Lou-ellen Lallier's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Lou-ellen Lallier enrolled in Medicare?
Yes. Lou-ellen Lallier is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Lou-ellen Lallier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lou-ellen Lallier reassigns Medicare benefits to 2 organizations: University Of Maryland Oncology Associates, PA (Baltimore, MD) and Shock Trauma Associates, P.A. (Baltimore, MD). 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 Lou-ellen Lallier'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 Lou-ellen Lallier was last updated on March 18, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.
# Lou-Ellen Lallier, CRNP · NPI 1649480096
Acute Care physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 23, 2007.
## Identity
- **NPI:** 1649480096 (Entity type: Individual)
- **Enumerated:** May 23, 2007
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** R131571 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-3737 · **Fax:** (410) 328-0177
## 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): University Of Maryland Oncology Associates, PA (NPI 1679523575, Baltimore, MD); Shock Trauma Associates, P.A. (NPI 1679512909, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 18, 2014
- **Other identifiers:** Medicare PIN P01268659 (MD); Medicare PIN 191772ZCEA (MD); Medicaid 430016500 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1649480096) · Data from the CMS NPPES public registry.