Obiora Onwuameze, MD, MS, PHD
NPI 1386806453 · Psychiatry Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Obiora Onwuameze, MD, MS, PHD is a Psychiatry Physician provider in Springfield, IL (NPI 1386806453).
Provider details
- NPI number
- 1386806453
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MS, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-130454 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
890 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 360 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 205 | $76 |
| Therapy Using Electrical Currents90870 | 149 | $103 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $119 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 45 | $110 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 44 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 236 | 12 |
| Risperidone | 104 | 11 |
| Trazodone Hcl | 92 | 12 |
| Paliperidone Palmitatebrand: Invega Sustenna | 81 | — |
| Benztropine Mesylate | 78 | — |
| Fluoxetine Hcl | 69 | — |
| Divalproex Sodium | 56 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-30
- Last updated
- 2020-12-10
- Certified
- 2020-12-10
Frequently asked questions
- What is Obiora Onwuameze's NPI number?
- Obiora Onwuameze's National Provider Identifier (NPI) is 1386806453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Obiora Onwuameze's specialty?
- Obiora Onwuameze is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Obiora Onwuameze located?
- Obiora Onwuameze's practice location on file with NPPES is 901 W Jefferson St, Springfield, IL 62702-4833.
- What is Obiora Onwuameze's phone number?
- The practice phone number listed in the NPPES registry for Obiora Onwuameze is (217) 545-8229.
- Does Obiora Onwuameze accept Medicare?
- Obiora Onwuameze is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Obiora Onwuameze's NPI active?
- Yes — Obiora Onwuameze's NPI (1386806453) is active in the NPPES registry as of the last update on 2020-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.