Doctor profile · Federal record

Dr. Jack Zandstra

Physician Assistant · Willowbrook, IL

  • NPI 1881362051
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 75Th St
Willowbrook, IL 605272325
(630) 581-5372

Credentials & registration

NPPES · NUCC
NPI registered
September 2021 — 5 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Illinois #1171553

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881362051. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
126
Distinct HCPCS
6
Medicare allowed
$8,422
HCPCS Description Services Patients Avg allowed
87804 Detection test by immunoassay with direct visual observation for influenza virus 33 17 $16
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 30 28 $41
99213 Established patient office or other outpatient visit, 20-29 minutes 22 21 $80
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $101
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $148
99214 Established patient office or other outpatient visit, 30-39 minutes 13 13 $113

In context: peer comparison

Among 5 peers in this city , average services per provider: 40. This provider delivers 3.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
14
Total drug cost
$33
Drug Type Claims Patients Total cost
Prednisone Generic 16 14 $33

Frequently asked questions

Auto-generated from federal data
What is Dr. Jack Zandstra's medical specialty?
Dr. Jack Zandstra practices Physician Assistant in Willowbrook, IL.
Where does Dr. Jack Zandstra practice?
Dr. Jack Zandstra practices at 40 75Th St, Willowbrook, IL 605272325. Office phone: 6305815372.
What is Dr. Jack Zandstra's NPI?
Dr. Jack Zandstra's National Provider Identifier (NPI) is 1881362051, issued by NPPES.
Does Dr. Jack Zandstra accept Medicare assignment?
Yes. Dr. Jack Zandstra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jack Zandstra commonly perform?
Top Medicare-reported procedures in 2023: Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804); Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (HCPCS 87811); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.