Dr. Joseph M. Persak, MD
- Medicare services, 2024
- 3,352
- Medicare patients, 2024
- 2,405
- MIPS score, 2024
- 96
- Hospital affiliations
- 3
- Industry payments
- $360
- Practice address
- 300 Randall Rd, Geneva, IL 60134
- Practice phone
- Call (630) 208-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Persak's professional email, personal email and mobile number
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Dr. Joseph M. Persak is a diagnostic radiologist in Geneva, Illinois
Dr. Persak practices at Northwestern Medicine Delnor Hospital in Geneva, Illinois, part of Northwestern Memorial HealthCare.
Dr. Persak's NPI, 1841394368, was assigned on September 13, 2006. Dr. Persak graduated from Loyola University of Chicago, Stritch School of Medicine in 1984. Dr. Persak holds Illinois license 036071830.
- NPI
- 1841394368NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971529306
- NPI enumeration date
- September 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 208-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph M. Persak practices at Northwestern Medicine Delnor Hospital in Geneva, Illinois
Dr. Persak's primary practice is Northwestern Medicine Delnor Hospital, at 300 Randall Rd, Geneva, IL 60134 in Kane County. The practice phone is (630) 208-3000.
- Northwestern Medicine Delnor Hospital300 Randall Rd, Geneva, IL 60134 · Kane CountyPhone(630) 208-3000
Source: Dmand AI Affiliation Data
Dr. Joseph M. Persak is affiliated with 3 sites of care and 1 medical group
Dr. Persak's primary practice is Northwestern Medicine Delnor Hospital in Geneva, Illinois, part of Northwestern Memorial HealthCare. Dr. Persak is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Radiology Subspecialists of Northern Illinois, LLC. Dmand AI also links Dr. Persak to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph M. Persak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Persak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Delnor Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph M. Persak is one of 1,336 diagnostic radiologists in Illinois
Diagnostic radiology is Dr. Persak's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Persak is licensed in Illinois.
Specialties and state licenses
- Diagnostic radiology, IllinoisPrimary
Diagnostic radiologists near Dr. Persak
Counts of diagnostic radiologists 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
Dr. Joseph M. Persak billed Medicare for 3,352 services in 2024
CMS data shows 3,352 Medicare services from Dr. Persak across 43 procedure codes in 2024, for 2,405 Medicare patients. Medicare paid $124,067 for them.
Dr. Persak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,2962024: 3,2242%
- Tests and treatments
- 2023: 1742024: 12826%
Where Dr. Persak's Medicare services took place, 2024
- In an office1635%
- In a facility3,18995%
Dr. Persak compared with the Illinois median for diagnostic radiologists, 2024
- Dr. Persak
- Illinois median
- Medicare services
- 3,352vs 2,57530% above
- Medicare patients
- 2,405vs 1,83631% above
Medians across 1,261 diagnostic radiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Persak's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph M. Persak treated 2,405 Medicare patients in 2024, average age 76
CMS counts 2,405 Medicare patients who saw Dr. Persak in 2024. The largest group is 65 to 74, with 956 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Persak's median patient age at 65, with 57% women.
Dr. Persak's Medicare patients by age, 2024
Dr. Persak's Medicare patients by sex, 2024
- Women1,43960%
- Men96640%
Chronic conditions among Dr. Persak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease35%
- Anxiety32%
- Diabetes30%
- Mood disorders30%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Persak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph M. Persak scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Persak for performance year 2024, reported through an alternative payment model (APM). Dr. Persak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Persak's MIPS scores, performance year 2024
- 96of 100Final score
- 88.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Joseph M. Persak received $360 in industry payments from 2016 to 2022
CMS Open Payments shows 4 general payments to Dr. Persak from 3 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $141.
General payments to Dr. Persak by program year, 2016 to 2022
Companies that paid Dr. Persak the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph M. Persak graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Persak graduated from Loyola University of Chicago, Stritch School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph M. Persak'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)Clinician Public Reporting: Overall MIPS Performance (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 Dr. Joseph M. Persak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joseph M. Persak's NPI number?
Dr. Joseph M. Persak's NPI number is 1841394368. It was assigned on September 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph M. Persak?
Dr. Joseph M. Persak is a diagnostic radiologist in Geneva, Illinois. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Joseph M. Persak practice?
Dr. Persak practices at 300 Randall Rd, Geneva, IL 60134. Dr. Persak's primary practice is Northwestern Medicine Delnor Hospital in Geneva, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Persak to 1 hospital.
What is Dr. Joseph M. Persak's office phone number?
The practice phone on file for Dr. Persak is (630) 208-3000.
What is Dr. Joseph M. Persak's medical license number?
Dr. Persak holds Illinois license 036071830.
Which hospitals is Dr. Joseph M. Persak affiliated with?
Dr. Persak practices at Northwestern Medicine Delnor Hospital in Geneva, Illinois. Dr. Persak is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Persak to 1 more hospital.
What medical group is Dr. Joseph M. Persak part of?
Dr. Persak is linked to Radiology Subspecialists of Northern Illinois, LLC.
Does Dr. Joseph M. Persak accept Medicare?
Yes. CMS data shows Dr. Persak billed Medicare for 3,352 services in 2024, and Dr. Persak accepts Medicare assignment.
What is Dr. Joseph M. Persak's MIPS score?
Dr. Persak's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Joseph M. Persak see?
CMS counts 2,405 Medicare patients who saw Dr. Persak in 2024, with an average age of 76.
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What services does Dr. Joseph M. Persak bill to Medicare?
In 2024, Dr. Persak's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (74177) and diagnostic imaging (70450).
Where did Dr. Joseph M. Persak go to medical school?
Dr. Persak graduated from Loyola University of Chicago, Stritch School of Medicine in 1984.
Has Dr. Joseph M. Persak received payments from drug or device companies?
CMS Open Payments shows $360 in general payments to Dr. Persak from 3 companies from 2016 to 2022. The largest total came from Genentech, Inc.
How long has Dr. Joseph M. Persak been practicing?
Dr. Persak graduated from medical school in 1984, 42 years ago.
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