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

Dr. Onyekachi Chika Hammack, MD

Individual provider Pediatrics Physician · NPI 1720348287

Dr. Onyekachi Chika Hammack, MD is a Pediatrics Physician in Mt Pleasant, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2790 Health Pkwy
Mt Pleasant, MI 48858-6934
Phone: (989) 779-5270
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 4301109582 (MI)

Record details

NPI number1720348287
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 17, 2012
Last updated in NPPESFebruary 13, 2025
Certification dateFebruary 13, 2025

Other providers in Mt Pleasant