Provider Profile
Jack D. Zandstra
Unclaimed ProfileAbout Jack Zandstra
Listed in the NPI registry as a physician assistant, Jack D. Zandstra practices in Willowbrook, IL. Jack graduated from Albany Medical College of Union University in 2021. Medicare claims data shows Jack provided 36 services to 36 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 581-5372
- Email not available
Practice Locations
40 75TH ST
Willowbrook, IL 60527
Procedures Most Often Billed to Medicare
36 services · 36 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other physician assistants in Willowbrook 6
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Albany Medical College of Union University 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Albany Medical College of Union University 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Jack D. Zandstra?
Jack D. Zandstra is a physician assistant in Willowbrook, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Jack D. Zandstra's address?
Jack D. Zandstra is listed at 40 75Th St, Willowbrook, IL 60527. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Jack D. Zandstra?
The number on file is (630) 581-5372. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Jack D. Zandstra?
Jack D. Zandstra's National Provider Identifier is 1881362051. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Jack D. Zandstra train?
Jack D. Zandstra attended Albany Medical College of Union University, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jack D. Zandstra have?
Jack D. Zandstra has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Jack D. Zandstra perform?
According to Medicare billing data, Jack D. Zandstra the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jack D. Zandstra's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jack D. Zandstra. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.