Jill T. Defibaugh, NP
- Medicare patients, 2024
- 233
- Part D claims, 2024
- 388
- Hospital affiliations
- 5
- Industry payments
- $597
- Medical group
- 1
- Practice address
- 400 Campus Blvd Suite 100 Suite 100, Winchester, VA 22601-6906
- Practice phone
- Call (540) 662-1108
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Shenandoah Oncology
Multi-specialty group site · Winchester, Virginia
Find Jill Defibaugh'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.
Jill T. Defibaugh is a nurse practitioner in Winchester, Virginia
Jill Defibaugh practices at Shenandoah Oncology in Winchester, Virginia.
Jill Defibaugh's NPI, 1225018914, was assigned on January 19, 2006. Jill Defibaugh holds Virginia license 0024166690.
- NPI
- 1225018914NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294756169
- NPI enumeration date
- January 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 662-1108
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jill T. Defibaugh practices at Shenandoah Oncology in Winchester, Virginia
Jill Defibaugh's primary practice is Shenandoah Oncology, at 400 Campus Blvd Suite 100 Suite 100, Winchester, VA 22601-6906. The practice phone is (540) 662-1108.
- Shenandoah Oncology400 Campus Blvd Suite 100 Suite 100, Winchester, VA 22601-6906Phone(540) 662-1108
Source: Dmand AI Affiliation Data
Jill T. Defibaugh is affiliated with 6 sites of care and 1 medical group
Jill Defibaugh's primary practice is Shenandoah Oncology in Winchester, Virginia. Jill Defibaugh is also affiliated with Winchester Medical Center. The medical group on file is Shenandoah Oncology. Dmand AI also links Jill Defibaugh to 4 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Jill T. Defibaugh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jill Defibaugh practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shenandoah Oncology | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Jill T. Defibaugh is one of 1,255 nurse practitioners in Virginia
Nurse practitioner is Jill Defibaugh's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Jill Defibaugh is licensed in Virginia.
Specialties and state licenses
- Nurse practitioner, VirginiaPrimary
Nurse practitioners near Jill Defibaugh
Counts of nurse practitioners 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
Jill T. Defibaugh treated 233 Medicare patients in 2024, average age 75
CMS counts 233 Medicare patients who saw Jill Defibaugh in 2024. The largest group is 75 to 84, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jill Defibaugh's median patient age at 69, with 57% women.
Jill Defibaugh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jill Defibaugh's Medicare patients by sex, 2024
- Women11951%
- Men11449%
Chronic conditions among Jill Defibaugh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer54%
- Arthritis45%
- Chronic kidney disease36%
- Diabetes35%
- Ischemic heart disease35%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Jill Defibaugh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jill T. Defibaugh wrote 388 Medicare Part D claims in 2024
In 2024, Jill Defibaugh wrote 388 Medicare Part D claims for 141 patients. 94% of them were for generic drugs.
Jill Defibaugh's Part D claims by kind of drug, 2024
- Generic364 claims94%
- Brand-name and other24 claims6%
Drug classes CMS tracks in Jill Defibaugh's Part D claims, 2024
- Opioids27%105 of 388 claims
- Antibiotics5%21 of 388 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Jill T. Defibaugh takes part in Medicare
Jill Defibaugh 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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Jill T. Defibaugh received $597 in industry payments in 2025
CMS Open Payments shows 22 general payments to Jill Defibaugh from 18 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $156.
Companies that paid Jill Defibaugh the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Jill T. Defibaugh'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 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) |
| Part D prescribing | 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) |
| 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 Jill T. Defibaugh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jill T. Defibaugh's NPI number?
Jill T. Defibaugh's NPI number is 1225018914. It was assigned on January 19, 2006, and it is active in the NPI Registry.
What does Jill T. Defibaugh specialize in?
Jill T. Defibaugh is a nurse practitioner in Winchester, Virginia. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Jill T. Defibaugh practice?
Jill Defibaugh practices at 400 Campus Blvd Suite 100 Suite 100, Winchester, VA 22601-6906. Jill Defibaugh's primary practice is Shenandoah Oncology in Winchester, Virginia. Dmand AI also links Jill Defibaugh to 4 hospitals.
What is Jill T. Defibaugh's office phone number?
The practice phone on file for Jill Defibaugh is (540) 662-1108.
What is Jill T. Defibaugh's medical license number?
Jill Defibaugh holds Virginia license 0024166690.
Which hospitals is Jill T. Defibaugh affiliated with?
Jill Defibaugh is affiliated with Winchester Medical Center. Dmand AI links Jill Defibaugh to 4 more hospitals.
What medical group is Jill T. Defibaugh part of?
Jill Defibaugh is linked to Shenandoah Oncology.
Does Jill T. Defibaugh accept Medicare?
Yes. CMS lists Jill Defibaugh as accepting Medicare assignment.
How many Medicare patients does Jill T. Defibaugh see?
CMS counts 233 Medicare patients who saw Jill Defibaugh in 2024, with an average age of 75.
Has Jill T. Defibaugh received payments from drug or device companies?
CMS Open Payments shows $597 in general payments to Jill Defibaugh from 18 companies from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Jill T. Defibaugh been practicing?
Jill Defibaugh graduated from medical school in 2004, 22 years ago.
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