Onyekachi Hammack, M.D.

Pediatrics

GenderFemaleNPI1720348287Affiliated sites1

Affiliated Health Centers

Onyekachi Hammack is affiliated with 1 federally qualified health center location.

Isabella Citizens for Health

2790 Health Pkwy, Mount Pleasant, MI 48858-6934

Medicare★ 4.6 Google (472)

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Pediatrics Services

Well-child visits, immunizations, and developmental care from newborns through age 18 on a sliding fee scale.

Well-child visits

Childhood immunizations

Developmental screenings

School physicals

ADHD management

Asthma care

Childhood illness treatment

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Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

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Pediatrics

Providing pediatrics services at federally qualified health centers with sliding fee scale options.

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Affiliated Health Center

Isabella Citizens for Health

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Onyekachi Hammack, M.D.

Affiliated Health Centers

Pediatrics Services

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Other Pediatrics Clinicians

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Pediatrics

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