Chiadikaobi Uchendu Onyike, M.D.
NPI 1184678724ActiveIndividual· Psychiatry & Neurology, Psychiatry· Baltimore, MD
Psychiatry & Neurology, Psychiatry (M.D.) with Johns Hopkins University, practicing in Baltimore, Maryland. Their prescriptions cost Medicare Part D more than their services did: $57,383 for 456 claims, against $34,541 paid for services in 2024. Sanofi US Services Inc. was the largest of 2 companies reporting payments in 2025, $1,102 in all, mostly travel and lodging. Lists Johns Hopkins Hospital, the as a hospital affiliation.
Overview
| NPI | 1184678724 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Dec 5, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | D56293 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (DC); Practitioner - Psychiatry (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 595 across 14 procedure codes |
| Paid by Medicare | $34,541 |
Part D prescriptions in 2024
| Prescriptions (claims) | 456 · 713 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $57,383 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Johns Hopkins UniversityBaltimore, MD · 2,909 clinicians
Hospital affiliation
- Johns Hopkins Hospital, theBaltimore, MD
Industry payments (Open Payments)
- 2025$1,102 · 6 payments from 2 companies
- 2024$25,307 · 15 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi US Services Inc. | $1,030 | 5 |
| Axsome Therapeutics, Inc. | $72.10 | 1 |
What the 2025 payments were for
- Travel and Lodging$803.91 · 4 payments
- Food and Beverage$297.80 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 581 psychiatrists in Baltimore · All psychiatrists in Maryland