Josiah Okechukwu Onyenekwe III, M.D
NPI 1558781740ActiveIndividual· Family Medicine· Texarkana, AR
Family Medicine (M.D) with Greenbrier Emergency Services, Inc. and 3 other groups, practicing in Texarkana, Arkansas. 596 Medicare patients in 2024, $74,604 paid; nearly all of their 235 Part D prescriptions were generic (95%). Abbott Laboratories reported $23.84 in payments in 2025, mostly food and beverage. Lists Baptist Health Medical Center North Little Rock and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1558781740 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Apr 26, 2014 |
| Last updated in NPPES | Feb 14, 2020 |
| Certified by provider | Feb 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | E-11066 | AR |
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 - Family Practice (AL); Practitioner - Family Practice (AR); Practitioner - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 596 |
|---|---|
| Services billed | 699 across 22 procedure codes |
| Paid by Medicare | $74,604 |
Part D prescriptions in 2024
| Prescriptions (claims) | 235 · 235 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $4,085 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Greenbrier Emergency Services, Inc.North Little Rock, AR · 54 clinicians
- Oleander Emergency Medicine Associates PAVictoria, TX · 22 clinicians
- Faulkner Emergency Group, PLLCConway, AR · 19 clinicians
- Monticello Ess LLCMonticello, AR · 8 clinicians
Hospital affiliations
- Baptist Health Medical Center North Little RockNorth Little Rock, AR
- Baptist Health Medical Center-Drew CountyMonticello, AR
- Citizens Medical CenterVictoria, TX
- Conway Regional Medical Center, IncConway, AR
Industry payments (Open Payments)
- 2025$23.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $23.84 | 1 |
What the 2025 payments were for
- Food and Beverage$23.84 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Texarkana
- 1184680530
- 1265923759
- 1336675123
- 1538697438
- 1568469211
- 1639177959
- 1841645454
- 1922492859
- 1023692266
- 1063675650
- 1104262625
- 1134235146
All 40 family medicine physicians in Texarkana · All family medicine physicians in Arkansas