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

Vivian U Onunkwo, MD

Individual provider Occupational Medicine Physician · NPI 1952612392

Vivian U Onunkwo, MD is an Occupational Medicine Physician in Elkhart, Indiana. Works from 2 locations. Licensed in Indiana and Michigan.

Licensed in
IN, MI
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

22818 Old US 20
Elkhart, IN 46516-9150
Phone: (574) 389-1231
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 16587 Enterprise Dr, Three Rivers, MI 49093-7902 — (269) 279-6700

Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X · Licence 01078860A (IN)
Occupational Medicine Physician Taxonomy 2083X0100X · Licence 4301113897 (MI)

Record details

NPI number1952612392
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2010
Last updated in NPPESSeptember 26, 2023
Certification dateSeptember 26, 2023

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