John R. Zrelak, DC
- Medicare patients, 2024
- 35
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice locations
- 2
- Practice address
- 414 N Orleans St Suite 207 Suite 207, Chicago, IL 60610
- Practice phone
- Call (312) 832-9700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chiro One Chiropractic & Wellness Center of North Orleans
Physician office · Chicago, Illinois
Find John Zrelak'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 R. Zrelak is a chiropractor in Chicago, Illinois
John Zrelak practices at Chiro One Chiropractic & Wellness Center of North Orleans in Chicago, Illinois.
John Zrelak's NPI, 1386612562, was assigned on March 14, 2006. John Zrelak graduated from National College of Chiropractic in 1986.
- NPI
- 1386612562NPI Registry (opens in a new tab)
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Practice phone
- (312) 832-9700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John R. Zrelak practices at 2 locations in Chicago, Illinois
John Zrelak's primary practice is Chiro One Chiropractic & Wellness Center of North Orleans, at 414 N Orleans St Suite 207 Suite 207, Chicago, IL 60610. The practice phone is (312) 832-9700. The NPI Registry lists John Zrelak's practice address as 1765 N Elston Ave, Chicago, IL 60642.
- Chiro One Chiropractic & Wellness Center of North OrleansPrimary414 N Orleans St Suite 207 Suite 207, Chicago, IL 60610Phone(312) 832-9700
- NPI Registry address1765 N Elston Ave, Chicago, IL 60642 · Cook County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
John R. Zrelak is affiliated with 1 site of care
John Zrelak's primary practice is Chiro One Chiropractic & Wellness Center of North Orleans in Chicago, Illinois.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John R. Zrelak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Zrelak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chiro One Chiropractic & Wellness Center of North Orleans | Available with a free account |
Source: Dmand AI Technology Install Data
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John R. Zrelak is one of 2,276 chiropractors in Illinois
Chiropractor is John Zrelak's primary specialty in the NPI Registry, under taxonomy code 111N00000X. John Zrelak has a license on file in Illinois.
Specialties and state licenses
- Chiropractor, Illinois
Chiropractors near John Zrelak
Counts of chiropractors 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 R. Zrelak treated 35 Medicare patients in 2024, average age 75
CMS counts 35 Medicare patients who saw John Zrelak in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high cholesterol, and 57% have arthritis. Their average risk score is 0.68, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Zrelak's median patient age at 56, with 27% women.
John Zrelak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Zrelak's Medicare patients by sex, 2024
- Women1851%
- Men1749%
Chronic conditions among John Zrelak's Medicare patients, 2024
- High cholesterol75%
- Arthritis57%
- High blood pressure49%
Share of Medicare patients with each condition. A patient can have several.
John Zrelak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women27%
- Men73%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John R. Zrelak graduated from National College of Chiropractic
John Zrelak graduated from National College of Chiropractic in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John R. Zrelak'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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 John R. Zrelak
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 R. Zrelak's NPI number?
John R. Zrelak's NPI number is 1386612562. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What does John R. Zrelak specialize in?
John R. Zrelak is a chiropractor in Chicago, Illinois. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does John R. Zrelak practice?
John Zrelak practices at 414 N Orleans St Suite 207 Suite 207, Chicago, IL 60610. John Zrelak also practices at 1765 N Elston Ave, Chicago, IL 60642. John Zrelak's primary practice is Chiro One Chiropractic & Wellness Center of North Orleans in Chicago, Illinois.
What is John R. Zrelak's office phone number?
The practice phone on file for John Zrelak is (312) 832-9700.
How many Medicare patients does John R. Zrelak see?
CMS counts 35 Medicare patients who saw John Zrelak in 2024, with an average age of 75.
Where did John R. Zrelak go to medical school?
John Zrelak graduated from National College of Chiropractic in 1986.
How long has John R. Zrelak been practicing?
John Zrelak graduated from medical school in 1986, 40 years ago.
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