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DR. WILLIAM PATRICK ZELLER M.D.
NPI 1699738922
Pediatrics - Pediatric Endocrinology in Wheaton, IL

Active since April 08, 2006PECOS Enrolled
2001 N GARY AVE, SUITE 240, WHEATON, IL 60187(630) 416-4501(630) 416-4504 Get Directions Write a Review

NPPES record last updated: June 21, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Patrick Zeller M.d. NPPES

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

DR. WILLIAM PATRICK ZELLER M.D. (NPI 1699738922) is an individual pediatric endocrinology provider in Wheaton, Illinois, licensed in Illinois (036-057718) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699738922
Entity TypeIndividualMale
Primary Taxonomy2080P0205X
Provider Legal NameDR. WILLIAM PATRICK ZELLERCredential: M.D.
Location Address2001 N GARY AVE, SUITE 240Wheaton, IL 60187-3055
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900 · Fax (847) 390-4757
Phone(630) 416-4501
Fax(630) 416-4504
Sole ProprietorYes
Enumeration DateApril 8, 2006
Last NPPES UpdateJune 21, 2022
NPPES CertifiedJune 21, 2022
✔ NPI 1699738922 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
License✔ Licensed in IL · 036-057718
Definition
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.
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 036-057718 (IL)
2001 N GARY AVE, Wheaton, IL 60187
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Patrick Zeller M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60187 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
8 suppliers41 claims507 services$18.28 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
8 suppliers42 claims1,335 services$2.36 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
14 suppliers34 claims157 services$6.38 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
4 suppliers33 claims33 services$304.02 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
7 suppliers15 claims2,660 services$6.67 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
11 suppliers224 claims224 services$188.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

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

JOY CASTROVILLARI M.D.
Pediatrics
2001 N GARY AVE
WHEATON, IL 60187
Dupage County (630) 653-5115
TIJANA BRYAN MMS, PA-C
Physician Assistant (Medical)
2001 N GARY AVE
WHEATON, IL 60187
Dupage County (630) 416-4501
AAGAARD 5 LLC
Family Medicine
2001 N GARY AVE, SUITE 210
WHEATON, IL 60187
Dupage County (630) 614-4255
ARMBRUST 7 LLC
Family Medicine
2001 N GARY AVE, SUITE 210
WHEATON, IL 60187
Dupage County (630) 614-4200
MRS. LAURA L GUZMAN NP, CNRN
Nurse Practitioner
2001 N GARY AVE
WHEATON, IL 60187
Dupage County (630) 858-5400
DR. JON P AAGAARD MD
Family Medicine
2001 N GARY AVE, SUITE 210
WHEATON, IL 60187
Dupage County (630) 614-4255
DR. ROY JOSEPH BETTI M.D.
Pediatrics
2001 N GARY AVE
WHEATON, IL 60187
Dupage County (630) 653-5115
DR. STEVEN M ARMBRUST MD
Family Medicine
2001 N GARY AVE, SUITE 210
WHEATON, IL 60187
Dupage County (630) 614-4200

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 Zeller's NPI number?

The NPI number for William Zeller is 1699738922. It was assigned to this individual provider in the NPPES registry on April 8, 2006.

Where is William Zeller located?

William Zeller practices at 2001 N Gary Ave Suite 240, Wheaton, IL 60187. The listed phone number is (630) 416-4501.

What is William Zeller's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is William Zeller enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for William Zeller was last updated on June 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.