Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Josiah Okechukwu Onyenekwe III, MD

Individual provider Family Medicine Physician · NPI 1558781740

Dr. Josiah Okechukwu Onyenekwe III, MD is a Family Practice in Texarkana, Arkansas. Qualified in 2013, 13 years ago. Practices with Greenbrier Emergency Services, Inc, a 54-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
13
Licensed in
AR
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 E 6th St
Texarkana, AR 71854-5207
Phone: (870) 779-6093
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5 Medical Park Dr Ste 102, Benton, AR 72015-3729 — (501) 315-7620

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence E-11066 (AR)

Record details

NPI number1558781740
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 26, 2014
Last updated in NPPESFebruary 14, 2020
Certification dateFebruary 14, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Greenbrier Emergency Services, Inc. — 54 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Texarkana