Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALEXANDRA MARIA KOLODZIEJSKI MD
NPI 1477249449
Internal Medicine in Saint Louis, MO

Active since April 13, 2023PECOS Enrolled
615 S NEW BALLAS RD, SAINT LOUIS, MO 63141(314) 251-6339(314) 251-4564 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 9, 2026, Jun 14, 2023, Apr 13, 2023 (3 updates tracked since 2023).

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

NPI1477249449
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameALEXANDRA MARIA KOLODZIEJSKICredential: MD
Location Address615 S NEW BALLAS RDSaint Louis, MO 63141-8221
Mailing Address615 S New Ballas RdSaint Louis, MO 63141-8221 · (314) 251-6339
Fax(314) 251-4564
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateApril 13, 2023
Last NPPES UpdateJuly 9, 20263 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
NPI 1477249449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MO · 2026017062
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
615 S NEW BALLAS RD, Saint Louis, MO 63141

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alexandra Maria Kolodziejski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4183082019
PECOS Enrollment IDI20260718000389
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Physician 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.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Family)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Nurse Practitioner (Family)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Anesthesiologist Assistant
615 S NEW BALLAS RD, DEPT OF ANESTHESIOLOGY
SAINT LOUIS, MO 63141
Dentist
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Nurse Practitioner (Psychiatric/Mental Health)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
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 enrollment system.

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 49 days 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.