At a glance
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
About Dr. Okonkwo
Based in Saint Louis, MO, Johnny-Joshua U. Okonkwo, MD is listed in the NPI registry under neurology. Johnny-Joshua graduated from Columbia University College of Physicians and Surgeons in 2018. Medicare claims data shows Johnny-Joshua provided 343 services to 232 patients. The services billed most often include prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. NPI 1891280707 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 362-5000
- Email not available
Practice Locations
1 BARNES JEWISH HOSPITAL PLZ
Saint Louis, MO 63110
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Spine, brain injury, and functional
Procedures & services
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Infusion and medical therapies
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
Office procedures
Trauma & Injury
Procedures Most Often Billed to Medicare
343 services · 232 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
46 | Less often than most peers in Neurology |
| Needle measurement of electrical activity in arm or leg muscles, limited study | Treatment | 95885 |
32 | As often as other peers in Neurology |
| Nerve conduction, 13 or more studies | Treatment | 95913 |
14 | Less often than most peers in Neurology |
| Nerve conduction, 9-10 studies | Treatment | 95911 |
12 | Less often than most peers in Neurology |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
137 | More often than most peers in Neurology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
53 | As often as other peers in Neurology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
49 | More often than most peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurologists in Saint Louis 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Needle measurement of electrical activity in arm or leg muscles, complete study 8
Providers in MO who bill this service to Medicare most often.
Common questions
What does Dr. Okonkwo specialize in?
Dr. Okonkwo is a neurologist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Where is Dr. Okonkwo located?
Dr. Okonkwo is listed at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Okonkwo's phone number?
The number on file is (314) 362-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Okonkwo?
Dr. Okonkwo's National Provider Identifier is 1891280707. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Okonkwo go to medical school?
Dr. Okonkwo attended Columbia University College of Physicians and Surgeons, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Okonkwo have?
Dr. Okonkwo has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Okonkwo do most often?
According to Medicare billing data, Dr. Okonkwo provides treatments such as needle measurement of electrical activity in arm or leg muscles, complete study and needle measurement of electrical activity in arm or leg muscles, limited study, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Okonkwo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Okonkwo. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.