Dr. John Thomas Carroll, MD
- Medicare services, 2024
- 66
- Medicare patients, 2024
- 44
- Part D claims, 2024
- 58
- Hospital affiliations
- 1
- Industry payments
- $385
- 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 Dr. Carroll'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.
Dr. John Thomas Carroll is an OB-GYN in Winfield, Illinois
Dr. Carroll practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Carroll's NPI, 1457379042, was assigned on July 18, 2006. Dr. Carroll graduated from Medical College of Wisconsin in 1981.
- NPI
- 1457379042NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325237712
- NPI enumeration date
- July 18, 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
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Thomas Carroll practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Carroll'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
Dr. John Thomas Carroll is affiliated with 3 sites of care and 1 medical group
Dr. Carroll's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medicine Central DuPage Hospital. Dmand AI also links Dr. Carroll to 1 more breast imaging center and 1 clinical lab, each named with a free account. Dr. Carroll's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Thomas Carroll's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Carroll practices, 3 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 |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Thomas Carroll is one of 1,665 OB-GYNs in Illinois
Obstetrics and gynecology is Dr. Carroll's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Carroll has a license on file in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, Illinois
OB-GYNs near Dr. Carroll
Counts of OB-GYNs 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. John Thomas Carroll billed Medicare for 66 services in 2024
CMS data shows 66 Medicare services from Dr. Carroll across 3 procedure codes in 2024, for 44 Medicare patients. Medicare paid $1,917 for them. Every service was in an office.
Dr. Carroll's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 872024: 6624%
- Office and hospital visits
- 2023: 372024: 0100%
Dr. Carroll compared with the Illinois median for OB-GYNs, 2024
- Dr. Carroll
- Illinois median
- Medicare services
- 66vs 4838% above
- Medicare patients
- 44vs 44Close to median
- Part D claims
- 25vs 2811% below
Medians across 1,360 OB-GYNs in Illinois with Dmand AI profiles that report each measure.
Dr. Carroll'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Carroll and other OB-GYNs in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Thomas Carroll treated 44 Medicare patients in 2024, average age 71
CMS counts 44 Medicare patients who saw Dr. Carroll in 2024. 75% of them have high cholesterol, and 43% have high blood pressure. Their average risk score is 0.66, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Carroll's median patient age at 39, with 97% women.
Chronic conditions among Dr. Carroll's Medicare patients, 2024
- High cholesterol75%
- High blood pressure43%
- Arthritis39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Carroll's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women97%
- Men2%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Thomas Carroll wrote 58 Medicare Part D claims in 2024
In 2024, Dr. Carroll wrote 58 Medicare Part D claims for 21 patients. 79% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $1,965 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Carroll's Part D claims by kind of drug, 2024
- Generic46 claims79%
- Brand-name12 claims21%
Dr. Carroll's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 25127%
Drugs named by CMS: 2 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. John Thomas Carroll takes part in Medicare
Dr. Carroll 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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Dr. John Thomas Carroll received $385 in industry payments from 2016 to 2020
CMS Open Payments shows 26 general payments to Dr. Carroll from 12 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 90% of the total. Vertical Pharmaceuticals, LLC paid the most, $63.
General payments to Dr. Carroll by program year, 2016 to 2020
General payments to Dr. Carroll by kind, 2016 to 2020
- Food and beverage$34590%
- Education$3910%
Companies that paid Dr. Carroll the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Thomas Carroll graduated from Medical College of Wisconsin
Dr. Carroll graduated from Medical College of Wisconsin in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Thomas Carroll'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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 Dr. John Thomas Carroll
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. John Thomas Carroll's NPI number?
Dr. John Thomas Carroll's NPI number is 1457379042. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Thomas Carroll?
Dr. John Thomas Carroll is an OB-GYN in Winfield, Illinois. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. John Thomas Carroll practice?
Dr. Carroll practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Carroll's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Carroll to 1 breast imaging center and 1 clinical lab.
What is Dr. John Thomas Carroll's office phone number?
The practice phone on file for Dr. Carroll is (630) 682-1600.
Which hospitals is Dr. John Thomas Carroll affiliated with?
Dr. Carroll practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois.
What medical group is Dr. John Thomas Carroll part of?
Dr. Carroll is linked to Northwestern Medicine Central DuPage Hospital.
Does Dr. John Thomas Carroll accept Medicare?
Yes. CMS data shows Dr. Carroll billed Medicare for 66 services in 2024, and Dr. Carroll accepts Medicare assignment.
How many Medicare patients does Dr. John Thomas Carroll see?
CMS counts 44 Medicare patients who saw Dr. Carroll in 2024, with an average age of 71.
What services does Dr. John Thomas Carroll bill to Medicare?
In 2024, Dr. Carroll's most billed Medicare services were medicare service (G0444), medicare temporary code (Q0091) and medicare service (G0101).
Where did Dr. John Thomas Carroll go to medical school?
Dr. Carroll graduated from Medical College of Wisconsin in 1981.
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What drugs does Dr. John Thomas Carroll prescribe most?
In 2024 Medicare Part D data, Dr. Carroll's most prescribed drugs by claims were Estradiol and Estradiol (Once Weekly).
Has Dr. John Thomas Carroll received payments from drug or device companies?
CMS Open Payments shows $385 in general payments to Dr. Carroll from 12 companies from 2016 to 2020. The largest total came from Vertical Pharmaceuticals, LLC.
How long has Dr. John Thomas Carroll been practicing?
Dr. Carroll graduated from medical school in 1981, 45 years ago.
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