John-Paul Denis Jansen
- Medicare services, 2022
- 20
- Part D claims, 2024
- 585
- Hospital affiliations
- 1
- Industry payments
- $1,072
- Medical groups
- 2
- Practice address
- 1840 Amherst St, Winchester, VA 22601
- Practice phone
- Call (540) 536-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John-Paul Jansen's professional email, personal email and mobile number
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John-Paul Denis Jansen is an internist in Winchester, Virginia
John-Paul Jansen practices at Winchester Medical Center in Winchester, Virginia, part of Valley Health.
John-Paul Jansen's NPI, 1346448289, was assigned on July 3, 2007. John-Paul Jansen holds Virginia license 01012626632.
- NPI
- 1346448289NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2007
- NPI status
- Active
- Practice phone
- (540) 536-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John-Paul Denis Jansen practices at Winchester Medical Center in Winchester, Virginia
John-Paul Jansen's primary practice is Winchester Medical Center, at 1840 Amherst St, Winchester, VA 22601 in Winchester City. The practice phone is (540) 536-8000.
- Winchester Medical Center1840 Amherst St, Winchester, VA 22601 · Winchester CityPhone(540) 536-8000
Source: Dmand AI Affiliation Data
John-Paul Denis Jansen is affiliated with 3 sites of care and 2 medical groups
John-Paul Jansen's primary practice is Winchester Medical Center in Winchester, Virginia, part of Valley Health. The medical group on file is Valley Health. Dmand AI also links John-Paul Jansen to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John-Paul Denis Jansen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John-Paul Jansen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Winchester Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John-Paul Denis Jansen is one of 3,339 internists in Virginia
Internal medicine is John-Paul Jansen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has John-Paul Jansen's licenses on file in 4 states: Virginia, Colorado, Kansas and West Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
- Colorado license
- Kansas license
- West Virginia license
Internists near John-Paul Jansen
Counts of internists 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-Paul Denis Jansen billed Medicare for 20 services in 2022
CMS data shows 20 Medicare services from John-Paul Jansen across 1 procedure code in 2022, all of them office visits. Medicare paid $774 for them. Every service was in an office.
John-Paul Jansen's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1672022: 2088%
- Lab and pathology
- 2021: 862022: 0100%
John-Paul Jansen compared with the Virginia median for internists, 2022
- John-Paul Jansen
- Virginia median
- Medicare services
- 20vs 60797% below
- Part D claims
- 203vs 2249% below
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
John-Paul Jansen's most billed Medicare procedure codes, 2022
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 John-Paul Jansen and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
John-Paul Denis Jansen's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts John-Paul Jansen's median patient age at 58, with 50% women.
John-Paul Jansen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women50%
- Men48%
Source: Dmand AI Patient Panel Data
John-Paul Denis Jansen wrote 585 Medicare Part D claims in 2024
In 2024, John-Paul Jansen wrote 585 Medicare Part D claims for 64 patients. 84% of them were for generic drugs. CMS names the drug for 203 of them, across 15 drugs with 11 or more claims each, at $3,050 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
John-Paul Jansen's Part D claims by kind of drug, 2024
- Generic494 claims84%
- Brand-name and other91 claims16%
John-Paul Jansen'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.
Drug classes CMS tracks in John-Paul Jansen's Part D claims, 2024
- Opioids4%21 of 585 claims
- Antibiotics9%52 of 585 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 262024: 203681%
Drugs named by CMS: 15 in 2024, 2 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
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John-Paul Denis Jansen received $1,072 in industry payments from 2017 to 2024
CMS Open Payments shows 55 general payments to John-Paul Jansen from 11 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $325.
General payments to John-Paul Jansen by program year, 2017 to 2024
Companies that paid John-Paul Jansen the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John-Paul Denis Jansen'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 Data |
| 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) |
| 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 John-Paul Denis Jansen
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-Paul Denis Jansen's NPI number?
John-Paul Denis Jansen's NPI number is 1346448289. It was assigned on July 3, 2007, and it is active in the NPI Registry.
What does John-Paul Denis Jansen specialize in?
John-Paul Denis Jansen is an internist in Winchester, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does John-Paul Denis Jansen practice?
John-Paul Jansen practices at 1840 Amherst St, Winchester, VA 22601. John-Paul Jansen's primary practice is Winchester Medical Center in Winchester, Virginia, part of Valley Health. Dmand AI also links John-Paul Jansen to 2 group practices and clinics and 1 medical group.
What is John-Paul Denis Jansen's office phone number?
The practice phone on file for John-Paul Jansen is (540) 536-8000.
What is John-Paul Denis Jansen's medical license number?
John-Paul Jansen holds Virginia license 01012626632, one of the licenses on file in 4 states.
Which states has John-Paul Denis Jansen been licensed in?
Dmand AI has state licenses on file for John-Paul Jansen in Virginia, Colorado, Kansas and West Virginia.
Which hospitals is John-Paul Denis Jansen affiliated with?
John-Paul Jansen practices at Winchester Medical Center in Winchester, Virginia.
What medical group is John-Paul Denis Jansen part of?
John-Paul Jansen is linked to Valley Health. Dmand AI links John-Paul Jansen to 1 more medical group.
Does John-Paul Denis Jansen accept Medicare?
Yes. CMS data shows John-Paul Jansen billed Medicare for 20 services in 2022.
What services does John-Paul Denis Jansen bill to Medicare?
In 2022, John-Paul Jansen's most billed Medicare services were office visit, established patient (99213).
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What drugs does John-Paul Denis Jansen prescribe most?
In 2024 Medicare Part D data, John-Paul Jansen's most prescribed drugs by claims were Tramadol HCl, Amlodipine Besylate and Lisinopril.
Has John-Paul Denis Jansen received payments from drug or device companies?
CMS Open Payments shows $1,072 in general payments to John-Paul Jansen from 11 companies from 2017 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has John-Paul Denis Jansen been practicing?
John-Paul Jansen graduated from medical school in 2007, 19 years ago.
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