Ivan Zador, MD — NPI 1659471985
Ivan Zador, MD’s National Provider Identifier is 1659471985. NPPES classifies this as a Type 1 individual record and reports a practice location in Marshfield, Wisconsin. The primary taxonomy is Pediatric Endocrinology Physician.
Key facts
- NPI
- 1659471985
- Entity type
- Type 1 individual
- NPPES status
- Active in the August 10, 2026 snapshot
- Practice location
- 1000 N OAK AVE
Marshfield, Wisconsin 54449 - Practice telephone
- (715) 387-5185
- Primary taxonomy
- Pediatric Endocrinology Physician
- Additional taxonomies
-
- Endocrinology, Diabetes & Metabolism Physician
- Enumeration date
- September 25, 2006
- NPPES last update
- September 30, 2010
- Source
- CMS NPPES, NPPES Data Dissemination August 2026 V2
Questions answered by the NPPES record
What is the NPI for Ivan Zador, MD?
The NPI listed for Ivan Zador, MD in the NPPES snapshot is 1659471985. The number passes the NPI check-digit test and is recorded as active in that snapshot.
Is NPI 1659471985 an individual or organization record?
NPPES records NPI 1659471985 as an Entity Type 1 record, which CMS assigns to an individual health care provider.
Where is the reported practice location?
The primary practice location reported to NPPES is 1000 N OAK AVE, Marshfield, Wisconsin 54449.
What taxonomy codes are listed for this NPI?
2 taxonomy codes are listed. Primary: Pediatric Endocrinology Physician (2080P0205X). Additional: Endocrinology, Diabetes & Metabolism Physician (207RE0101X). Names come from the NUCC Health Care Provider Taxonomy code set version 26.1; definitions are not reproduced.
When was the NPPES record last updated?
NPPES reports a last update date of September 30, 2010 and an enumeration date of September 25, 2006, as published in NPPES Data Dissemination August 2026 V2.
Source and data date
All facts on this page come from the Centers for Medicare & Medicaid Services (CMS) NPPES data dissemination file NPPES Data Dissemination August 2026 V2, released August 10, 2026 (snapshot date 2026-08-10). The record was reproduced from the main provider file without edits; only the fields listed on the methodology page are published.
CMS updates NPPES continuously and this page reflects a single monthly snapshot. Confirm current details in the official NPPES NPI Registry.
Directory pages
This profile is listed on the Marshfield, Wisconsin NPI directory and the Wisconsin NPI directory.
Other published profiles in Marshfield, WI
Up to ten other profiles this site publishes for Marshfield, listed alphabetically. Appearing together here indicates only a shared reported practice city, not any affiliation or relationship. The city page lists all 42 published profiles.
Independent service disclaimer
This directory is an independent, experimental publication of public NPPES fields. It is not affiliated with or endorsed by CMS, NPPES, Medicare, the American Medical Association, or the National Uniform Claim Committee. An NPI is an administrative identifier. Its presence here does not establish that a provider is licensed, credentialed, board certified, in good standing, accepting patients or insurance, employed by or affiliated with any organization, or currently practicing. Nothing on this page is medical, legal, or insurance advice.