ALEXANDRA MCDONALD
NPI 1518501600
Nurse Practitioner - Acute Care in Saint Louis, MO
About Alexandra Mcdonald NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA MCDONALD (NPI 1518501600) is an individual acute care provider in Saint Louis, Missouri, licensed in Missouri (2020004943) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS, is affiliated with Missouri Baptist Medical Center, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alexandra Mcdonald is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Alexandra Mcdonald reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 435 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 120 clinicians in this Medicare group
Saint Louis, MO 63131
- Reassigned Medicare billing, Missouri enrollment
- 14 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 clinicians in this Medicare group
Winfield, MO 63389
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 261 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 299 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Missouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CREVE COEUR, MO 63141
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 Alexandra Mcdonald's NPI number?
The NPI number for Alexandra Mcdonald is 1518501600. It was assigned to this individual provider in the NPPES registry on October 31, 2019.
Where is Alexandra Mcdonald located?
Alexandra Mcdonald practices at 621 S New Ballas Rd Ste 112A, Saint Louis, MO 63141. The listed phone number is (314) 251-6339.
What is Alexandra Mcdonald's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Alexandra Mcdonald enrolled in Medicare?
Yes. Alexandra Mcdonald is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alexandra Mcdonald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Mcdonald reassigns Medicare benefits to 7 organizations: Mercy Hospitals East Communities (Saint Louis, MO), Mercy Clinic Heart And Vascular, LLC (Saint Louis, MO), Orthopedic Associates, LLC (Saint Louis, MO), St Anthonys Physician Organization Hospitalist Services, L.C. (Saint Louis, MO), Mercy Hospital Lincoln (Winfield, MO) and 2 more organizations, listed in the Medicare section above. 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 Alexandra Mcdonald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexandra Mcdonald accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Alexandra Mcdonald as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alexandra Mcdonald affiliated with any hospitals?
According to CMS data, Alexandra Mcdonald is affiliated with Missouri Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for Alexandra Mcdonald was last updated on February 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Alexandra Mcdonald · NPI 1518501600
Acute Care physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since October 31, 2019.
## Identity
- **NPI:** 1518501600 (Entity type: Individual)
- **Enumerated:** October 31, 2019
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 2020004943 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 621 S NEW BALLAS RD STE 112A, Saint Louis, MO 63141-8252
- **Phone:** (314) 251-6339 · **Fax:** (314) 251-4564
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Mercy Hospitals East Communities (NPI 1851431738, Saint Louis, MO); Mercy Clinic Heart And Vascular, LLC (NPI 1932176401, Saint Louis, MO); Orthopedic Associates, LLC (NPI 1720159775, Saint Louis, MO); St Anthonys Physician Organization Hospitalist Services, L.C. (NPI 1407216336, Saint Louis, MO); Mercy Hospital Lincoln (NPI 1386040178, Winfield, MO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** February 26, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1518501600) · Data from the CMS NPPES public registry.