John Vondran
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 201
- Hospital affiliations
- 2
- Industry payments
- $166
- Medical group
- 1
- Practice address
- 900 Rand Rd, Des Plaines, IL 60016
- Practice phone
- Call (847) 324-3090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ibji Oak, LLC
Des Plaines, Illinois
Find John Vondran'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.
John Vondran is a physician assistant in Des Plaines, Illinois
John Vondran practices at Ibji Oak, LLC in Des Plaines, Illinois.
John Vondran's NPI, 1174221113, was assigned on February 20, 2023. John Vondran holds Illinois license 085-009795.
- NPI
- 1174221113NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072956622
- NPI enumeration date
- February 20, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 324-3090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John Vondran practices at Ibji Oak, LLC in Des Plaines, Illinois
John Vondran's primary practice is Ibji Oak, LLC, at 900 Rand Rd, Des Plaines, IL 60016 in Cook County. The practice phone is (847) 324-3090.
- Ibji Oak, LLC900 Rand Rd, Des Plaines, IL 60016 · Cook CountyPhone(847) 324-3090
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John Vondran is affiliated with 4 sites of care and 1 medical group
John Vondran's primary practice is Ibji Oak, LLC in Des Plaines, Illinois. John Vondran is also affiliated with Advocate Lutheran General Hospital. The medical group on file is Illinois Bone & Joint Institute. Dmand AI also links John Vondran to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Vondran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Vondran practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ibji Oak, LLC | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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John Vondran is one of 4,299 physician assistants in Illinois
Physician assistant is John Vondran's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Vondran is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near John Vondran
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
John Vondran treated 33 Medicare patients in 2024, average age 72
CMS counts 33 Medicare patients who saw John Vondran in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Vondran's median patient age at 64, with 48% women.
John Vondran's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Vondran's Medicare patients by sex, 2024
- Women1339%
- Men2061%
Chronic conditions among John Vondran's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
John Vondran's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women48%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Vondran wrote 201 Medicare Part D claims in 2024
In 2024, John Vondran wrote 201 Medicare Part D claims for 129 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in John Vondran's Part D claims, 2024
- Opioids41%83 of 201 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 John Vondran takes part in Medicare
John Vondran 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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John Vondran received $166 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Vondran from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $166.
Companies that paid John Vondran the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John Vondran'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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 John Vondran
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Vondran's NPI number?
John Vondran's NPI number is 1174221113. It was assigned on February 20, 2023, and it is active in the NPI Registry.
What does John Vondran specialize in?
John Vondran is a physician assistant in Des Plaines, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John Vondran practice?
John Vondran practices at 900 Rand Rd, Des Plaines, IL 60016. John Vondran's primary practice is Ibji Oak, LLC in Des Plaines, Illinois. Dmand AI also links John Vondran to 1 hospital and 1 group practice or clinic.
What is John Vondran's office phone number?
The practice phone on file for John Vondran is (847) 324-3090.
What is John Vondran's medical license number?
John Vondran holds Illinois license 085-009795.
Which hospitals is John Vondran affiliated with?
John Vondran is affiliated with Advocate Lutheran General Hospital. Dmand AI links John Vondran to 1 more hospital.
What medical group is John Vondran part of?
John Vondran is linked to Illinois Bone & Joint Institute.
Does John Vondran accept Medicare?
Yes. CMS lists John Vondran as accepting Medicare assignment.
How many Medicare patients does John Vondran see?
CMS counts 33 Medicare patients who saw John Vondran in 2024, with an average age of 72.
Has John Vondran received payments from drug or device companies?
CMS Open Payments shows $166 in general payments to John Vondran from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has John Vondran been practicing?
John Vondran graduated from medical school in 2023, 3 years ago.
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