IVAN ZADOR (MD) – Pediatric Endocrinology Physician, NPI 1659471985

IVAN ZADOR (MD) is a healthcare provider. based in Marshfield, Wisconsin. specializing in Pediatric Endocrinology Physician. They hold the professional credentials MD. They hold a License No. 41779 (WI). The NPI Number for IVAN ZADOR (MD) is 1659471985

Main info

Male
Name
IVAN ZADOR (MD)
NPI
1659471985
Phone
Not provided
Address
1000 N OAK AVE
Enumeration Date
25 September 2006
Last Update Date
30 September 2010
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for IVAN ZADOR (MD)

  • Marshfield Clinic Marshfield Center, 1000, North Oak Avenue, Marshfield, Wood County, Wisconsin, 54449, United States

    MARSHFIELD, WI 544495777

    Phone:

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 54449)

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Reviews

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Frequently asked questions

Does IVAN ZADOR (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — IVAN ZADOR (MD) uses 1659471985.
Is IVAN ZADOR (MD) still practicing?
IVAN ZADOR (MD) is currently listed as active in the public NPI registry.
What is IVAN ZADOR (MD)'s primary classification?
Pediatric Endocrinology Physician is the headline specialty for IVAN ZADOR (MD) here. Clinical services aligned with this taxonomy classification.
Does IVAN ZADOR (MD) list a practice location?
Patients near Marshfield, Wisconsin may find IVAN ZADOR (MD) in results; validate coverage separately.
Is the information about IVAN ZADOR (MD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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