Doctor profile · Federal record

Dr. Johnny-Joshua Okonkwo, MD

Neurology Physician (CMS: Neurology) · Saint Louis, MO

  • NPI 1891280707
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz
Saint Louis, MO 631101003
(314) 362-5000
Mailing address
660 S Euclid Ave # 8121
Saint Louis, MO 631101010

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
July 23, 2020
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Missouri #2018017668

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891280707. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$1,562
HCPCS Description Services Patients Avg allowed
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 14 12 $112

In context: peer comparison

Among 66 peers in this city , average services per provider: 431. This provider delivers 0.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
40
Patients
11
Total drug cost
$1,452
Drug Type Claims Patients Total cost
Prednisone Generic 26 11 $246
Pyridostigmine Bromide Generic 14 0 $1,207

Frequently asked questions

Auto-generated from federal data
What is Dr. Johnny-Joshua Okonkwo's medical specialty?
Dr. Johnny-Joshua Okonkwo practices Neurology Physician in Saint Louis, MO.
Where does Dr. Johnny-Joshua Okonkwo practice?
Dr. Johnny-Joshua Okonkwo practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143625000.
What is Dr. Johnny-Joshua Okonkwo's NPI?
Dr. Johnny-Joshua Okonkwo's National Provider Identifier (NPI) is 1891280707, issued by NPPES.
Does Dr. Johnny-Joshua Okonkwo accept Medicare assignment?
Yes. Dr. Johnny-Joshua Okonkwo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnny-Joshua Okonkwo commonly perform?
Top Medicare-reported procedures in 2023: Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886). Source: CMS Medicare Physician & Other Practitioners file.