Ksenija Kos, MD
NPI 1265454987 · Neurology Physician · St Louis, MO
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ksenija Kos, MD is a Neurology Physician provider in St Louis, MO (NPI 1265454987).
Provider details
- NPI number
- 1265454987
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2001010352 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
540 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $120 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 102 | $42 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 78 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 55 | $171 |
| Nerve Conduction, 7-8 Studies95910 | 47 | $99 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 177 | 49 |
| Gabapentin | 169 | 68 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 150 | 50 |
| Donepezil Hcl | 122 | 47 |
| Pregabalin | 116 | 36 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 98 | 25 |
| Baclofen | 72 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,004 across 140 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2009-12-07
Frequently asked questions
- What is Ksenija Kos's NPI number?
- Ksenija Kos's National Provider Identifier (NPI) is 1265454987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ksenija Kos's specialty?
- Ksenija Kos is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Ksenija Kos located?
- Ksenija Kos's practice location on file with NPPES is 621 S New Ballas Rd, St Louis, MO 63141.
- What is Ksenija Kos's phone number?
- The practice phone number listed in the NPPES registry for Ksenija Kos is (314) 227-2020.
- Does Ksenija Kos accept Medicare?
- Ksenija Kos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ksenija Kos's NPI active?
- Yes — Ksenija Kos's NPI (1265454987) is active in the NPPES registry as of the last update on 2009-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.