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DR. JOHN NKWACHUKWU ONYEMA M.D.,
NPI 1801855507
Internal Medicine in Las Vegas, NV

Active since March 21, 2006
4180 S RAINBOW BLVD, 810, LAS VEGAS, NV 89103(702) 383-3626(702) 383-7844 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Nkwachukwu Onyema M.d., NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN NKWACHUKWU ONYEMA M.D., (NPI 1801855507) is an individual internal medicine provider in Las Vegas, Nevada, licensed in Nevada (7397) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1801855507
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN NKWACHUKWU ONYEMACredential: M.D.,
Location Address4180 S RAINBOW BLVD, 810Las Vegas, NV 89103-3160
Mailing Address4180 S Rainbow Blvd Ste 810Las Vegas, NV 89103-3135 · (702) 383-1910 · Fax (702) 383-7844
Phone(702) 383-3626
Fax(702) 383-7844
Sole ProprietorYes
Enumeration DateMarch 21, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1801855507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NV · 7397
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4180 S RAINBOW BLVD, Las Vegas, NV 89103
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Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
28 services26 patients

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BERNARD T BARTOLOME M.D.
Internal Medicine
4180 S RAINBOW BLVD, STE 809
LAS VEGAS, NV 89103
Clark County (702) 256-3637
EDWARD HENRY FORKOS II MD
Internal Medicine
4180 S RAINBOW BLVD, SUITE810
LAS VEGAS, NV 89103
Clark County (702) 383-3645

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Onyema's NPI number?

The NPI number for John Onyema is 1801855507. It was assigned to this individual provider in the NPPES registry on March 21, 2006.

Where is John Onyema located?

John Onyema practices at 4180 S Rainbow Blvd 810, Las Vegas, NV 89103. The listed phone number is (702) 383-3626.

What is John Onyema's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Onyema was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.