Doctor profile · Federal record

Dr. Ksenija Kos, MD

Neurology Physician (CMS: Psychiatry) · St Louis, MO

  • NPI 1265454987
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
621 S New Ballas RD, Suite 5003 B
St Louis, MO 63141
(314) 227-2020
fax (314) 227-2021

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 7, 2009
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Missouri #2001010352
Medicaid
MO #205684715

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265454987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
538
Distinct HCPCS
10
Medicare allowed
$55,784
HCPCS Description Services Patients Avg allowed
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 135 99 $44
99214 Established patient office or other outpatient visit, 30-39 minutes 108 99 $124
99215 Established patient office or other outpatient visit, 40-54 minutes 57 51 $172
95885 Needle measurement of electrical activity in arm or leg muscles, limited study 51 35 $18
95910 Nerve conduction, 7-8 studies 47 47 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 40 40 $89
95913 Nerve conduction, 13 or more studies 39 39 $178
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $165
99205 New patient office or other outpatient visit, 60-74 minutes 20 20 $217
95911 Nerve conduction, 9-10 studies 19 19 $128

In context: peer comparison

Among 3 peers in St Louis Neurology Physician, average services per provider: 206. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,004
Transactions
116
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 42 $816.11
Biogen, INC. 8 $267.11
Lilly USA, LLC 12 $258.58
Novartis Pharmaceuticals Corporation 17 $192.47
Ucb, INC. 6 $178.68
Argenx US, INC. 5 $117.22
Lundbeck LLC 3 $100.53
Mdd US Operations, LLC 4 $90.94
Alexion Pharmaceuticals, INC. 3 $78.65
Vanda Pharmaceuticals INC. 2 $77.15
Emd Serono, INC. 2 $75.38
Jazz Pharmaceuticals INC. 2 $71.35
Pfizer INC. 4 $64.84
AstraZeneca Pharmaceuticals Lp 3 $62.30
Xeris Pharmaceuticals, INC. 3 $56.87

By nature of payment

Food and Beverage
$3,004

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,318
Patients
387
Total drug cost
$55,308
Drug Type Claims Patients Total cost
Gabapentin Generic 206 65 $5,473
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 144 56 $7,988
Memantine Hcl Generic 114 32 $3,913
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 100 23 $4,101
Pregabalin Generic 98 22 $9,005
Donepezil Hcl Generic 95 34 $6,502
Baclofen Generic 94 24 $3,437
Clonazepam Generic 78 20 $1,480
Topiramate Generic 62 14 $1,179
Alprazolam Generic 60 13 $669

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ksenija Kos's medical specialty?
Dr. Ksenija Kos practices Neurology Physician in St Louis, MO.
Where does Dr. Ksenija Kos practice?
Dr. Ksenija Kos practices at 621 S New Ballas RD, St Louis, MO 63141. Office phone: 3142272020.
What is Dr. Ksenija Kos's NPI?
Dr. Ksenija Kos's National Provider Identifier (NPI) is 1265454987, issued by NPPES.
Does Dr. Ksenija Kos accept Medicare assignment?
Yes. Dr. Ksenija Kos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ksenija Kos commonly perform?
Top Medicare-reported procedures in 2023: Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.