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

William I Zaia, MD

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1649362500

William I Zaia, MD is a Neonatal-Perinatal Medicine Physician in Marion, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

Licensed in
OH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 McKinley Park Dr
Marion, OH 43302-6399
Phone: (740) 383-8400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence 35057377 (OH)

Record details

NPI number1649362500
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 29, 2006
Last updated in NPPESFebruary 6, 2026
Certification dateFebruary 6, 2026
Mailing address285 E State St Ste 520, Columbus, OH 43215-4359

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