Barbara Lynne O'Neill, NP
- Part D claims, 2024
- 3,116
- Hospital affiliations
- 2
- Industry payments
- $838
- Medical group
- 1
- State license
- 1
- Practice address
- 1001 Sam Perry Boulevard, Fredericksburg, VA 22401
- Practice phone
- Call (540) 741-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Barbara O'Neill'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.
Barbara Lynne O'Neill is a family nurse practitioner in Fredericksburg, Virginia
Barbara O'Neill practices at Mary Washington Hospital in Fredericksburg, Virginia, part of Mary Washington Healthcare.
Barbara O'Neill's NPI, 1184241994, was assigned on June 26, 2020. Barbara O'Neill holds Virginia license 0024179580.
- NPI
- 1184241994NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810314259
- NPI enumeration date
- June 26, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 741-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Barbara Lynne O'Neill practices at Mary Washington Hospital in Fredericksburg, Virginia
Barbara O'Neill's primary practice is Mary Washington Hospital, at 1001 Sam Perry Boulevard, Fredericksburg, VA 22401 in Fredericksburg City. The practice phone is (540) 741-1100.
- Mary Washington Hospital1001 Sam Perry Boulevard, Fredericksburg, VA 22401 · Fredericksburg CityPhone(540) 741-1100
Source: Dmand AI Affiliation Data
Barbara Lynne O'Neill is affiliated with 3 sites of care and 1 medical group
Barbara O'Neill's primary practice is Mary Washington Hospital in Fredericksburg, Virginia, part of Mary Washington Healthcare. Barbara O'Neill is also affiliated with Spotsylvania Regional Medical Center. The medical group on file is Cardiology Associates of Fredericksburg. Dmand AI also links Barbara O'Neill to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Barbara Lynne O'Neill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Barbara O'Neill practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary Washington Hospital | Available with a free account |
| +2 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 Mary Washington Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Barbara Lynne O'Neill is one of 4,876 family nurse practitioners in Virginia
Family is Barbara O'Neill's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Barbara O'Neill is licensed in Virginia.
Specialties and state licenses
- Family nurse practitioner, VirginiaPrimary
Family nurse practitioners near Barbara O'Neill
Counts of family 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
Barbara Lynne O'Neill's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Barbara O'Neill's median patient age at 72, with 46% women.
Barbara O'Neill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women46%
- Men52%
Source: Dmand AI Patient Panel Data
Barbara Lynne O'Neill wrote 3,116 Medicare Part D claims in 2024
In 2024, Barbara O'Neill wrote 3,116 Medicare Part D claims for 837 patients. 81% of them were for generic drugs.
Barbara O'Neill's Part D claims by kind of drug, 2024
- Generic2,531 claims81%
- Brand-name585 claims19%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Barbara Lynne O'Neill takes part in Medicare
Barbara O'Neill 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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Barbara Lynne O'Neill received $838 in industry payments in 2025
CMS Open Payments shows 21 general payments to Barbara O'Neill from 12 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $247.
Companies that paid Barbara O'Neill 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 Barbara Lynne O'Neill'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 Data |
| 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 Barbara Lynne O'Neill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Barbara Lynne O'Neill's NPI number?
Barbara Lynne O'Neill's NPI number is 1184241994. It was assigned on June 26, 2020, and it is active in the NPI Registry.
What does Barbara Lynne O'Neill specialize in?
Barbara Lynne O'Neill is a family nurse practitioner in Fredericksburg, Virginia. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Barbara Lynne O'Neill practice?
Barbara O'Neill practices at 1001 Sam Perry Boulevard, Fredericksburg, VA 22401. Barbara O'Neill's primary practice is Mary Washington Hospital in Fredericksburg, Virginia, part of Mary Washington Healthcare. Dmand AI also links Barbara O'Neill to 1 group practice or clinic.
What is Barbara Lynne O'Neill's office phone number?
The practice phone on file for Barbara O'Neill is (540) 741-1100.
What is Barbara Lynne O'Neill's medical license number?
Barbara O'Neill holds Virginia license 0024179580.
Which hospitals is Barbara Lynne O'Neill affiliated with?
Barbara O'Neill practices at Mary Washington Hospital in Fredericksburg, Virginia. Barbara O'Neill is also affiliated with Spotsylvania Regional Medical Center.
What medical group is Barbara Lynne O'Neill part of?
Barbara O'Neill is linked to Cardiology Associates of Fredericksburg.
Does Barbara Lynne O'Neill accept Medicare?
Yes. CMS lists Barbara O'Neill as accepting Medicare assignment.
Has Barbara Lynne O'Neill received payments from drug or device companies?
CMS Open Payments shows $838 in general payments to Barbara O'Neill from 12 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Barbara Lynne O'Neill been practicing?
Barbara O'Neill graduated from medical school in 2020, 6 years ago.
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