Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Nkwachukwu Onyema, MD

Individual provider Internal Medicine Physician · NPI 1801855507

Dr. John Nkwachukwu Onyema, MD is an Internal Medicine Physician in Las Vegas, Nevada. Practices as a sole proprietor. Licensed in Nevada.

Licensed in
NV
In the registry since
2006
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

4180 S Rainbow Blvd 810
Las Vegas, NV 89103-3160
Phone: (702) 383-3626
Fax: (702) 383-7844
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 7397 (NV)

Record details

NPI number1801855507
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 21, 2006
Last updated in NPPESJuly 8, 2007

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