Physician Profile
Onyekachi C. Hammack, M.D.
Unclaimed ProfileAbout Dr. Hammack
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (989) 779-5270
- Email not available
Practice Locations
2790 HEALTH PKWY
Mt Pleasant, MI 48858
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pediatricians in Mt Pleasant 3
Same specialty, same city.
Common questions
What is Onyekachi C. Hammack's specialty?
Onyekachi C. Hammack is a pediatrician in Mt Pleasant, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatrics”.
NPI registry
Where can I find Onyekachi C. Hammack?
Onyekachi C. Hammack is listed at 2790 Health Pkwy, Mt Pleasant, MI 48858. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Onyekachi C. Hammack?
The number on file is (989) 779-5270. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Onyekachi C. Hammack?
Onyekachi C. Hammack's National Provider Identifier is 1720348287. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Onyekachi C. Hammack have?
Onyekachi C. Hammack has 14+ years experience. Registered with an NPI since 2012. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Onyekachi C. Hammack's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Onyekachi C. Hammack. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.