WILLIAM I ZAIA MD
NPI 1649362500
Pediatrics - Neonatal-Perinatal Medicine in Marion, OH

Active since September 29, 2006PECOS Enrolled
1000 MCKINLEY PARK DR, MARION, OH 43302(740) 383-8400 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Feb 6, 2026, Mar 7, 2023, Sep 21, 2021 and 1 more (4 updates tracked since 2021).

About William I Zaia Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM I ZAIA MD (NPI 1649362500) is an individual neonatal-perinatal medicine provider in Marion, Ohio, licensed in Ohio (35057377) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649362500
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameWILLIAM I ZAIACredential: MD
Location Address1000 MCKINLEY PARK DRMarion, OH 43302-6399
Mailing Address285 E State St Ste 520Columbus, OH 43215-4359 · (614) 566-8586
Sole ProprietorNo
Enumeration DateSeptember 29, 2006
Last NPPES UpdateFebruary 6, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
NPI 1649362500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License Licensed in OH · 35057377
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
1000 MCKINLEY PARK DR, Marion, OH 43302

Other Identifiers 1

Medicaid0711340OH

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

William I Zaia Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Acute Care)
1000 MCKINLEY PARK DR
MARION, OH 43302
Nurse Practitioner
1000 MCKINLEY PARK DR
MARION, OH 43302
Physician Assistant
1000 MCKINLEY PARK DR
MARION, OH 43302
Dietitian, Registered
1000 MCKINLEY PARK DR
MARION, OH 43302
Physician Assistant
1000 MCKINLEY PARK DR
MARION, OH 43302
Hospitalist
1000 MCKINLEY PARK DR
MARION, OH 43302
Dietitian, Registered
1000 MCKINLEY PARK DR
MARION, OH 43302
Emergency Medicine
1000 MCKINLEY PARK DR
MARION, OH 43302

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Zaia's NPI number?

The NPI number for William Zaia is 1649362500. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Where is William Zaia located?

William Zaia practices at 1000 Mckinley Park Dr, Marion, OH 43302. The listed phone number is (740) 383-8400.

What is William Zaia's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is William Zaia enrolled in Medicare?

Yes. William Zaia is registered in the Medicare PECOS enrollment system.

What insurance does William Zaia accept?

Health plans from CareSource list William Zaia as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Zaia was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.