Doctor profile · Federal record
Dr. Onyekachi Hammack, M.D.
Pediatrics Physician · Mt Pleasant, MI
- NPI 1720348287
- 14 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2790 Health Pkwy
Mt Pleasant, MI 488586934
(989) 779-5270 - Mailing address
-
2935 Health Pkwy, Isabella Citizens for Health
Mt Pleasant, MI 488588931
Credentials & registration
- NPI registered
- May 2012 — 14 yrs on file
- Profile last updated
- February 13, 2025
- Specialty taxonomy
- 208000000X — NUCC code
- State license (1)
- Michigan #4301109582
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720348287. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 1 | $19.85 |
By nature of payment
Frequently asked questions
What is Dr. Onyekachi Hammack's medical specialty?
Dr. Onyekachi Hammack practices Pediatrics Physician in Mt Pleasant, MI.
Where does Dr. Onyekachi Hammack practice?
Dr. Onyekachi Hammack practices at 2790 Health Pkwy, Mt Pleasant, MI 488586934. Office phone: 9897795270.
What is Dr. Onyekachi Hammack's NPI?
Dr. Onyekachi Hammack's National Provider Identifier (NPI) is 1720348287, issued by NPPES.