ALEXANDRA MARIA KOLODZIEJSKI MD
NPI 1477249449
Internal Medicine in Saint Louis, MO
About Alexandra Maria Kolodziejski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA MARIA KOLODZIEJSKI MD (NPI 1477249449) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2026017062) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
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 Maria Kolodziejski Md 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
2Medicare enrollment records show Alexandra Kolodziejski 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 63141
- Reassigned Medicare billing, Missouri enrollment
- 435 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 326 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.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63141
SAINT LOUIS, 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 Kolodziejski's NPI number?
The NPI number for Alexandra Kolodziejski is 1477249449. It was assigned to this individual provider in the NPPES registry on April 13, 2023.
Where is Alexandra Kolodziejski located?
Alexandra Kolodziejski practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6339.
What is Alexandra Kolodziejski's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alexandra Kolodziejski enrolled in Medicare?
Yes. Alexandra Kolodziejski 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 Kolodziejski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Kolodziejski reassigns Medicare benefits to 2 organizations: Mercy Hospitals East Communities (Saint Louis, MO) and Mercy Clinic Adult Hospitalists - St. Louis, LLC (Saint Louis, 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 Alexandra Kolodziejski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexandra Kolodziejski affiliated with any hospitals?
According to CMS data, Alexandra Kolodziejski is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Alexandra Kolodziejski was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Alexandra Maria Kolodziejski, MD · NPI 1477249449
Internal Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 13, 2023.
## Identity
- **NPI:** 1477249449 (Entity type: Individual)
- **Enumerated:** April 13, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2026017062 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **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:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Hospitals East Communities (NPI 1851431738, Saint Louis, MO); Mercy Clinic Adult Hospitalists - St. Louis, LLC (NPI 1841235108, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** July 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1477249449) · Data from the CMS NPPES public registry.