Tamara D. St. John, DC
- Medicare patients, 2026
- 55
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Tamara St. John'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.
Tamara D. St. John is a chiropractor in Winfield, Illinois
Tamara St. John practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Tamara St. John's NPI, 1114030228, was assigned on August 16, 2006. Tamara St. John graduated from National College of Chiropractic in 1993. Tamara St. John holds Illinois license 038007451.
- NPI
- 1114030228NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123034857
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tamara D. St. John practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Tamara St. John's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Tamara D. St. John is affiliated with 4 sites of care
Tamara St. John's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Tamara St. John to 1 breast imaging center, 1 clinical lab and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tamara D. St. John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tamara St. John practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Tamara D. St. John is one of 2,276 chiropractors in Illinois
Chiropractor is Tamara St. John's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Tamara St. John is licensed in Illinois.
Specialties and state licenses
- Chiropractor, IllinoisPrimary
Chiropractors near Tamara St. John
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
Tamara D. St. John treated 55 Medicare patients in 2026, average age 74
CMS counts 55 Medicare patients who saw Tamara St. John in 2026. The largest group is 65 to 74, with 31 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tamara St. John's median patient age at 60, with 67% women.
Tamara St. John's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Tamara St. John's Medicare patients by sex, 2026
- Women3462%
- Men2138%
Chronic conditions among Tamara St. John's Medicare patients, 2026
- High cholesterol75%
- High blood pressure71%
- Arthritis64%
- Diabetes29%
- Ischemic heart disease29%
- Anxiety27%
- Chronic kidney disease24%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Tamara St. John's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How Tamara D. St. John takes part in Medicare
Tamara St. John 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)
Tamara D. St. John graduated from National College of Chiropractic
Tamara St. John graduated from National College of Chiropractic in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Tamara D. St. John'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Tamara D. St. John
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tamara D. St. John's NPI number?
Tamara D. St. John's NPI number is 1114030228. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What does Tamara D. St. John specialize in?
Tamara D. St. John is a chiropractor in Winfield, Illinois. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Tamara D. St. John practice?
Tamara St. John practices at 25 North Winfield Road, Winfield, IL 60190. Tamara St. John's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Tamara St. John to 1 breast imaging center, 1 clinical lab and 1 physician office, and a free account names each one.
What is Tamara D. St. John's office phone number?
The practice phone on file for Tamara St. John is (630) 682-1600. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Tamara D. St. John's email address?
Dmand AI checks professional and personal email addresses for Tamara St. John through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Tamara D. St. John's medical license number?
Tamara St. John holds Illinois license 038007451.
Which hospitals is Tamara D. St. John affiliated with?
Tamara St. John practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois.
Does Tamara D. St. John accept Medicare?
Yes. CMS lists Tamara St. John as accepting Medicare assignment.
How many Medicare patients does Tamara D. St. John see?
CMS counts 55 Medicare patients who saw Tamara St. John in 2026, with an average age of 74.
Where did Tamara D. St. John go to medical school?
Tamara St. John graduated from National College of Chiropractic in 1993.
How long has Tamara D. St. John been practicing?
Tamara St. John graduated from medical school in 1993, 33 years ago.
What EHR does Tamara D. St. John's practice use?
Dmand AI tracks the EHR system at Northwestern Medicine Central DuPage Hospital and at 3 more affiliated sites. The vendor and product are available with a free Dmand AI account.
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