DR. KSENIJA KOS MD
NPI 1265454987
Psychiatry & Neurology - Neurology in Saint Louis, MO
About Dr. Ksenija Kos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KSENIJA KOS MD (NPI 1265454987) is an individual neurology provider in Saint Louis, Missouri, licensed in Missouri (2001010352) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ksenija Kos 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.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
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, MOMercy Hospital South
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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
CREVE COEUR, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
CREVE COEUR, 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 Ksenija Kos's NPI number?
The NPI number for Ksenija Kos is 1265454987. It was assigned to this individual provider in the NPPES registry on July 24, 2006.
Where is Ksenija Kos located?
Ksenija Kos practices at 845 N New Ballas Ct Div Neurology Community, Ste 202, Saint Louis, MO 63141. The listed phone number is (557) 747-2529.
What is Ksenija Kos's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Ksenija Kos enrolled in Medicare?
Yes. Ksenija Kos 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.
What insurance does Ksenija Kos accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 5 other insurers list Ksenija Kos 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 Ksenija Kos affiliated with any hospitals?
According to CMS data, Ksenija Kos is affiliated with Mercy Hospital St Louis and Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Ksenija Kos was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.
# Dr. Ksenija Kos, MD · NPI 1265454987
Neurology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 24, 2006.
## Identity
- **NPI:** 1265454987 (Entity type: Individual)
- **Enumerated:** July 24, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 2001010352 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 845 N NEW BALLAS CT, DIV NEUROLOGY COMMUNITY, STE 202, Saint Louis, MO 63141-7134
- **Phone:** (557) 747-2529 · **Fax:** (314) 371-4704
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** July 7, 2026
- **Other identifiers:** Medicaid 205684715 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1265454987) · Data from the CMS NPPES public registry.