Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Onongaya Cally Nwanyanwu

Individual provider Adult Health Nurse Practitioner · NPI 1386021186

Onongaya Cally Nwanyanwu is a Nurse Practitioner in Dallas, Texas. Graduated from University of Cincinnati College of Medicine in 2013, 13 years ago. Practices with Csh Corp, a 16-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
13
Trained at
University of Cincinnati College of Medicine
Licensed in
TX
In the registry since
2015
Specialties on file
3
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Practice location Address checks out

10209 Black Hickory Rd
Dallas, TX 75243-5101 Not confirmed with CMS for 11 years — call before visiting
Phone: (214) 724-9449
Fax: (469) 330-1477
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence AP128064 (TX)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence AP128064 (TX)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence AP128064 (TX)

Record details

NPI number1386021186
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 30, 2015
Last updated in NPPESApril 30, 2015

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Csh Corp. — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients132
Services billed 1,830 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Csh Corp

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 16 clinicians in the practice; 12 are shown here.

Other providers in Dallas