Johnny-Joshua Ugochukwu Okonkwo, MD
Neurology Physician · Saint Louis, MO
Johnny-Joshua Ugochukwu Okonkwo, MD is a neurology physician with a practice address in Saint Louis, Missouri, and NPI 1891280707, issued on Jun 25, 2018. Check the license (Missouri 2018017668, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Johnny-Joshua Ugochukwu Okonkwo
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 2018017668 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Phone
- (314) 362-5000
- Enumerated
- Jun 25, 2018
- Record last updated
- Jul 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230516001083); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 484 in Missouri → Look up another NPI →
Also registered at 1 Barnes Jewish Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Johnny-Joshua Ugochukwu Okonkwo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2018017668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average neurology physician in 2024
164 Medicare Part D claims for 33 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone32 claims
- Pyridostigmine Bromide24 claims
- Mycophenolate Mofetil19 claims
- Omeprazole18 claims
- Duloxetine Hcl16 claims
- Gabapentin15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johnny-Joshua Ugochukwu Okonkwo among 484 neurology physician records in Missouri
Johnny-Joshua Ugochukwu Okonkwo, MD is one of 484 neurology physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 68% of them.
- NPI issued2018 · 68% of these records are older, 26% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2018 · median 2006 among the 285 with a school on file
- Record last updated2020 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Missouri
There are 484 neurology physician records in Missouri.
All 484 in Missouri → Every provider in Saint Louis → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Muhammad Al-Lozi, MDSaint Louis, MO 631101689690992
- Beau Ances, MDSaint Louis, MO 631101972569085
- Giovanni D'Avossa, MDSaint Louis, MO 631101871519181
- Marc Diamond, MDSaint Louis, MO 631101255368288
- Paul Kotzbauer, MDSaint Louis, MO 631101568488872
- Glenn Lopate, MDSaint Louis, MO 631101790701019
- Soe Mar, MDSaint Louis, MO 631101659397966
- Timothy Miller, MDSaint Louis, MO 631101255356671
Common questions
What is Johnny-Joshua Ugochukwu Okonkwo, MD's NPI number?
Johnny-Joshua Ugochukwu Okonkwo, MD's National Provider Identifier (NPI) is 1891280707, issued on Jun 25, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Johnny-Joshua Ugochukwu Okonkwo, MD located?
The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-5000. Providers update this record themselves, so call before visiting.
How can I verify Johnny-Joshua Ugochukwu Okonkwo, MD's license?
NPPES lists Missouri license number 2018017668, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Johnny-Joshua Ugochukwu Okonkwo, MD prescribe under Medicare Part D?
In 2024, Johnny-Joshua Ugochukwu Okonkwo, MD had 164 Medicare Part D claims for 33 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.