Jack Dennis Zandstra
- Medicare patients, 2024
- 50
- Part D claims, 2024
- 135
- Industry payments
- $28
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 1520 N Damen Ave, Chicago, IL 60622
- Practice phone
- Call (312) 283-5560
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Midwest Express Clinic - Chicago (N Damen Ave)
Urgent Care Center · Chicago, Illinois
Find Jack Zandstra's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Jack Dennis Zandstra is a physician assistant in Chicago, Illinois
Jack Zandstra practices at Midwest Express Clinic - Chicago (N Damen Ave) in Chicago, Illinois.
Jack Zandstra's NPI, 1881362051, was assigned on September 2, 2021. Jack Zandstra graduated from Albany Medical College of Union University in 2021. Jack Zandstra holds Illinois license 1171553.
- NPI
- 1881362051NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941608814
- NPI enumeration date
- September 2, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 283-5560
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jack Dennis Zandstra practices at Midwest Express Clinic - Chicago (N Damen Ave) in Chicago, Illinois
Jack Zandstra's primary practice is Midwest Express Clinic - Chicago (N Damen Ave), at 1520 N Damen Ave, Chicago, IL 60622. The practice phone is (312) 283-5560.
- Midwest Express Clinic - Chicago (N Damen Ave)1520 N Damen Ave, Chicago, IL 60622Phone(312) 283-5560
Source: Dmand AI Affiliation Data
Jack Dennis Zandstra is affiliated with 2 sites of care and 1 medical group
Jack Zandstra's primary practice is Midwest Express Clinic - Chicago (N Damen Ave) in Chicago, Illinois. The medical group on file is Midwest Express Clinic. Dmand AI also links Jack Zandstra to 1 more group practice or clinic, named with a free account. Jack Zandstra's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jack Dennis Zandstra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jack Zandstra practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Midwest Express Clinic - Chicago (N Damen Ave) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Jack Dennis Zandstra is one of 4,299 physician assistants in Illinois
Physician assistant is Jack Zandstra's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jack Zandstra is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Jack Zandstra
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Jack Dennis Zandstra treated 50 Medicare patients in 2024, average age 71
CMS counts 50 Medicare patients who saw Jack Zandstra in 2024. The largest group is 65 to 74, with 28 patients. 68% of them have high blood pressure, and 66% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jack Zandstra's median patient age at 31, with 61% women.
Jack Zandstra's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jack Zandstra's Medicare patients by sex, 2024
- Women3060%
- Men2040%
Chronic conditions among Jack Zandstra's Medicare patients, 2024
- High blood pressure68%
- High cholesterol66%
- Arthritis40%
- Anxiety30%
- Mood disorders30%
- Diabetes26%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Jack Zandstra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jack Dennis Zandstra wrote 135 Medicare Part D claims in 2024
In 2024, Jack Zandstra wrote 135 Medicare Part D claims for 80 patients. 97% of them were for generic drugs.
Jack Zandstra's Part D claims by kind of drug, 2024
- Generic131 claims97%
- Brand-name and other4 claims3%
Drug classes CMS tracks in Jack Zandstra's Part D claims, 2024
- Antibiotics39%52 of 135 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Jack Dennis Zandstra takes part in Medicare
Jack Zandstra accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Jack Dennis Zandstra received $28 in industry payments in 2025
CMS Open Payments shows 1 general payment to Jack Zandstra from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Cipher Pharmaceuticals US LLC paid the most, $28.
Companies that paid Jack Zandstra the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Jack Dennis Zandstra graduated from Albany Medical College of Union University
Jack Zandstra graduated from Albany Medical College of Union University in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jack Dennis Zandstra's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Jack Dennis Zandstra
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jack Dennis Zandstra's NPI number?
Jack Dennis Zandstra's NPI number is 1881362051. It was assigned on September 2, 2021, and it is active in the NPI Registry.
What does Jack Dennis Zandstra specialize in?
Jack Dennis Zandstra is a physician assistant in Chicago, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jack Dennis Zandstra practice?
Jack Zandstra practices at 1520 N Damen Ave, Chicago, IL 60622. Jack Zandstra's primary practice is Midwest Express Clinic - Chicago (N Damen Ave) in Chicago, Illinois. Dmand AI also links Jack Zandstra to 1 group practice or clinic.
What is Jack Dennis Zandstra's office phone number?
The practice phone on file for Jack Zandstra is (312) 283-5560.
What is Jack Dennis Zandstra's medical license number?
Jack Zandstra holds Illinois license 1171553.
What medical group is Jack Dennis Zandstra part of?
Jack Zandstra is linked to Midwest Express Clinic.
Does Jack Dennis Zandstra accept Medicare?
Yes. CMS lists Jack Zandstra as accepting Medicare assignment.
How many Medicare patients does Jack Dennis Zandstra see?
CMS counts 50 Medicare patients who saw Jack Zandstra in 2024, with an average age of 71.
Where did Jack Dennis Zandstra go to medical school?
Jack Zandstra graduated from Albany Medical College of Union University in 2021.
Has Jack Dennis Zandstra received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Jack Zandstra from 1 company from 2025 to 2025. The largest total came from Cipher Pharmaceuticals US LLC.
How long has Jack Dennis Zandstra been practicing?
Jack Zandstra graduated from medical school in 2021, 5 years ago.
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