Individual Healthcare Provider
William Patrick Zeller, M.D.
Provider's NPPES record last updated: June 21, 2022
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1699738922
- Primary Specialty
- Pediatrics — Pediatric Endocrinology
- Practice Location
- Wheaton, Illinois
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 17, 2026, 11:00 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Pediatrics
Pediatric Endocrinology
Allopathic & Osteopathic Physicians
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Taxonomy code 2080P0205X Internal Medicine
Endocrinology, Diabetes & Metabolism
Allopathic & Osteopathic Physicians
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Taxonomy code 207RE0101X
Provider-Reported License Information
- Pediatrics (Illinois)
- 036-057718
- Internal Medicine (Illinois)
- 036-057718
Practice Locations
Practice Location
2001 N Gary Ave
Suite 240
Wheaton, Illinois 60187-3055
Phone: (630) 416-4501
Record Information
- Enumeration Date
- April 8, 2006
- Provider's NPPES Record Last Updated
- June 21, 2022
- Certification Date
- June 21, 2022
- NPISignal NPPES Dataset
- August 2026
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