Fredlyn Thornhill, AGNP-C, RN
- Part D claims, 2024
- 203
- Hospital affiliations
- 4
- Industry payments
- $381
- Medical group
- 1
- State license
- 1
- Practice address
- 2300 Opitz Boulevard, Woodbridge, VA 22191
- Practice phone
- Call (703) 523-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Fredlyn Thornhill'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.
Fredlyn Thornhill is a gerontology nurse practitioner in Woodbridge, Virginia
Fredlyn Thornhill practices at Sentara Northern Virginia Medical Center in Woodbridge, Virginia, part of Sentara Health.
Fredlyn Thornhill's NPI, 1235671900, was assigned on November 13, 2016. Fredlyn Thornhill holds Virginia license 0024189503.
- NPI
- 1235671900NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860925005
- NPI enumeration date
- November 13, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 523-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Fredlyn Thornhill practices at Sentara Northern Virginia Medical Center in Woodbridge, Virginia
Fredlyn Thornhill's primary practice is Sentara Northern Virginia Medical Center, at 2300 Opitz Boulevard, Woodbridge, VA 22191 in Prince William County. The practice phone is (703) 523-1000.
- Sentara Northern Virginia Medical Center2300 Opitz Boulevard, Woodbridge, VA 22191 · Prince William CountyPhone(703) 523-1000
Source: Dmand AI Affiliation Data
Fredlyn Thornhill is affiliated with 5 sites of care and 1 medical group
Fredlyn Thornhill's primary practice is Sentara Northern Virginia Medical Center in Woodbridge, Virginia, part of Sentara Health. Fredlyn Thornhill is also affiliated with UVA Health Prince William Medical Center. The medical group on file is Diabetes and Endocrine Care of Virginia. Dmand AI also links Fredlyn Thornhill to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Fredlyn Thornhill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Fredlyn Thornhill practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sentara Northern Virginia Medical Center | Available with a free account |
| +4 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 Sentara Health and 6.2K+ hospitals, with verified contacts in the same login.
Fredlyn Thornhill is one of 173 gerontology nurse practitioners in Virginia
Gerontology is Fredlyn Thornhill's primary specialty in the NPI Registry, under taxonomy code 363LG0600X. Fredlyn Thornhill is licensed in Virginia.
Specialties and state licenses
- Gerontology nurse practitioner, VirginiaPrimary
Gerontology nurse practitioners near Fredlyn Thornhill
Counts of gerontology 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
Fredlyn Thornhill's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Fredlyn Thornhill's median patient age at 58, with 76% women.
Fredlyn Thornhill'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
- Women76%
- Men22%
Source: Dmand AI Patient Panel Data
Fredlyn Thornhill wrote 203 Medicare Part D claims in 2024
In 2024, Fredlyn Thornhill wrote 203 Medicare Part D claims for 70 patients. 34% of them were for generic drugs.
Fredlyn Thornhill's Part D claims by kind of drug, 2024
- Generic70 claims34%
- Brand-name112 claims55%
- Other21 claims10%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Fredlyn Thornhill takes part in Medicare
Fredlyn Thornhill 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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Fredlyn Thornhill received $381 in industry payments in 2025
CMS Open Payments shows 9 general payments to Fredlyn Thornhill from 9 drug and device companies in 2025. Food and beverage make up the largest share, 50% of the total. Amgen Inc. paid the most, $175.
General payments to Fredlyn Thornhill by kind, 2025 to 2025
- Food and beverage$18950%
- Consulting fees$17546%
- Education$164%
Companies that paid Fredlyn Thornhill 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 Fredlyn Thornhill'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 Fredlyn Thornhill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Fredlyn Thornhill's NPI number?
Fredlyn Thornhill's NPI number is 1235671900. It was assigned on November 13, 2016, and it is active in the NPI Registry.
What does Fredlyn Thornhill specialize in?
Fredlyn Thornhill is a gerontology nurse practitioner in Woodbridge, Virginia. The primary specialty in the NPI Registry is Gerontology Nurse Practitioner (taxonomy code 363LG0600X).
Where does Fredlyn Thornhill practice?
Fredlyn Thornhill practices at 2300 Opitz Boulevard, Woodbridge, VA 22191. Fredlyn Thornhill's primary practice is Sentara Northern Virginia Medical Center in Woodbridge, Virginia, part of Sentara Health. Dmand AI also links Fredlyn Thornhill to 2 hospitals and 1 group practice or clinic.
What is Fredlyn Thornhill's office phone number?
The practice phone on file for Fredlyn Thornhill is (703) 523-1000.
What is Fredlyn Thornhill's medical license number?
Fredlyn Thornhill holds Virginia license 0024189503.
Which hospitals is Fredlyn Thornhill affiliated with?
Fredlyn Thornhill practices at Sentara Northern Virginia Medical Center in Woodbridge, Virginia. Fredlyn Thornhill is also affiliated with UVA Health Prince William Medical Center. Dmand AI links Fredlyn Thornhill to 2 more hospitals.
What medical group is Fredlyn Thornhill part of?
Fredlyn Thornhill is linked to Diabetes and Endocrine Care of Virginia.
Does Fredlyn Thornhill accept Medicare?
Yes. CMS lists Fredlyn Thornhill as accepting Medicare assignment.
Has Fredlyn Thornhill received payments from drug or device companies?
CMS Open Payments shows $381 in general payments to Fredlyn Thornhill from 9 companies from 2025 to 2025. The largest total came from Amgen Inc.
How long has Fredlyn Thornhill been practicing?
Fredlyn Thornhill graduated from medical school in 2016, 10 years ago.
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