Dr. James E. Gardiner, MD
- Medicare services, 2019
- 14
- Part D claims, 2021
- 67
- Industry payments
- $1,541
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 190 Campus Blvd Suite 300 Suite 300, Winchester, VA 22601-2872
- Practice phone
- Call (540) 667-1244
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Winchester Gastroenterology Associates - Winchester (Campus Blvd)
Multi-specialty group site · Winchester, Virginia
Find Dr. Gardiner'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. James E. Gardiner is a gastroenterologist in Jerseyville, Illinois
Dr. Gardiner practices at Winchester Gastroenterology Associates - Winchester (Campus Blvd) in Winchester, Virginia.
Dr. Gardiner's NPI, 1922056068, was assigned on May 4, 2006. Dr. Gardiner holds Virginia license 0101031833.
- NPI
- 1922056068NPI Registry (opens in a new tab)
- NPI enumeration date
- May 4, 2006
- NPI status
- Active
- Practice phone
- (540) 667-1244
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James E. Gardiner practices in Winchester and Jerseyville
Dr. Gardiner's primary practice is Winchester Gastroenterology Associates - Winchester (Campus Blvd), at 190 Campus Blvd Suite 300 Suite 300, Winchester, VA 22601-2872. The practice phone is (540) 667-1244. The NPI Registry lists Dr. Gardiner's practice address as 400 Maple Summit Rd, Jerseyville, IL 62052.
- Winchester Gastroenterology Associates - Winchester (Campus Blvd)Primary190 Campus Blvd Suite 300 Suite 300, Winchester, VA 22601-2872Phone(540) 667-1244
- NPI Registry address400 Maple Summit Rd, Jerseyville, IL 62052 · Jersey CountyPhone(540) 667-1244
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. James E. Gardiner is affiliated with 1 site of care and 1 medical group
Dr. Gardiner's primary practice is Winchester Gastroenterology Associates - Winchester (Campus Blvd) in Winchester, Virginia. The medical group on file is Winchester Gastroenterology Associates.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. James E. Gardiner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gardiner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Winchester Gastroenterology Associates - Winchester (Campus Blvd) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James E. Gardiner is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Gardiner's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Gardiner is licensed in Virginia.
Specialties and state licenses
- Gastroenterology, VirginiaPrimary
Gastroenterologists near Dr. Gardiner
Counts of gastroenterologists 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. James E. Gardiner billed Medicare for 14 services in 2019
CMS data shows 14 Medicare services from Dr. Gardiner across 1 procedure code in 2019. Medicare paid $1,497 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gardiner's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Surgery
- 2018: 02019: 14
- Tests and treatments
- 2018: 152019: 0100%
Dr. Gardiner compared with the Illinois median for gastroenterologists, 2019
- Dr. Gardiner
- Illinois median
- Medicare services
- 14vs 49897% below
- Part D claims
- 67vs 37082% below
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Gardiner's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gardiner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gardiner and other gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James E. Gardiner's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Gardiner's median patient age at 70, with 29% women.
Dr. Gardiner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women29%
- Men71%
Source: Dmand AI Patient Panel Data
Dr. James E. Gardiner wrote 67 Medicare Part D claims in 2021
In 2021, Dr. Gardiner wrote 67 Medicare Part D claims. They cover 4 drugs, with $697 in total drug cost. In 2020, CMS named 109 claims across 5 drugs.
Dr. Gardiner's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1092021: 6739%
Drugs named by CMS: 4 in 2021, 5 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. James E. Gardiner received $1,541 in industry payments from 2016 to 2021
CMS Open Payments shows 40 general payments to Dr. Gardiner from 15 drug and device companies from 2016 to 2021. Travel and lodging make up the largest share, 56% of the total. Boston Scientific Corporation paid the most, $902.
General payments to Dr. Gardiner by program year, 2016 to 2021
General payments to Dr. Gardiner by kind, 2016 to 2021
- Travel and lodging$86156%
- Food and beverage$68044%
Companies that paid Dr. Gardiner the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. James E. Gardiner'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 Dr. James E. Gardiner
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. James E. Gardiner's NPI number?
Dr. James E. Gardiner's NPI number is 1922056068. It was assigned on May 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James E. Gardiner?
Dr. James E. Gardiner is a gastroenterologist in Jerseyville, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. James E. Gardiner practice?
Dr. Gardiner practices at 190 Campus Blvd Suite 300 Suite 300, Winchester, VA 22601-2872. Dr. Gardiner also practices at 400 Maple Summit Rd, Jerseyville, IL 62052. Dr. Gardiner's primary practice is Winchester Gastroenterology Associates - Winchester (Campus Blvd) in Winchester, Virginia.
What is Dr. James E. Gardiner's office phone number?
The practice phone on file for Dr. Gardiner is (540) 667-1244.
What is Dr. James E. Gardiner's medical license number?
Dr. Gardiner holds Virginia license 0101031833.
What medical group is Dr. James E. Gardiner part of?
Dr. Gardiner is linked to Winchester Gastroenterology Associates.
Does Dr. James E. Gardiner accept Medicare?
Yes. CMS data shows Dr. Gardiner billed Medicare for 14 services in 2019.
What services does Dr. James E. Gardiner bill to Medicare?
In 2019, Dr. Gardiner's most billed Medicare services were surgery: digestive system (45380).
What drugs does Dr. James E. Gardiner prescribe most?
In 2021 Medicare Part D data, Dr. Gardiner's most prescribed drugs by claims were Dicyclomine HCl, Omeprazole and Ondansetron ODT.
Has Dr. James E. Gardiner received payments from drug or device companies?
CMS Open Payments shows $1,541 in general payments to Dr. Gardiner from 15 companies from 2016 to 2021. The largest total came from Boston Scientific Corporation.
How long has Dr. James E. Gardiner been practicing?
Dr. Gardiner's NPI was assigned in 2006.
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