Hilary Williamson
- Medicare patients, 2024
- 37
- Part D claims, 2024
- 65
- Hospital affiliations
- 1
- Industry payments
- $18
- Medical groups
- 2
- Practice address
- 1 Childrens Plz, Dayton, OH 45404
- Practice phone
- Call (937) 641-5509
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Hilary Williamson'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.
Hilary Williamson is a physician assistant in Dayton, Ohio
Hilary Williamson practices at Dayton Children's Hospital in Dayton, Ohio, part of Dayton Children's Hospital.
Hilary Williamson's NPI, 1174061667, was assigned on February 6, 2017. Hilary Williamson holds Ohio license 50.004989RX.
- NPI
- 1174061667NPI Registry (opens in a new tab)
- NPI enumeration date
- February 6, 2017
- NPI status
- Active
- Practice phone
- (937) 641-5509
- 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; and Dmand AI Affiliation Data
Hilary Williamson practices at Dayton Children's Hospital in Dayton, Ohio
Hilary Williamson's primary practice is Dayton Children's Hospital, at 1 Childrens Plz, Dayton, OH 45404 in Montgomery County. The practice phone is (937) 641-5509.
- Dayton Children's Hospital1 Childrens Plz, Dayton, OH 45404 · Montgomery CountyPhone(937) 641-5509
Source: Dmand AI Affiliation Data
Hilary Williamson is affiliated with 3 sites of care and 2 medical groups
Hilary Williamson's primary practice is Dayton Children's Hospital in Dayton, Ohio, part of Dayton Children's Hospital. The medical group on file is Premier Health Specialists. Dmand AI also links Hilary Williamson 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 Hilary Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hilary Williamson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dayton Children's Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Dayton Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Hilary Williamson is one of 4,524 physician assistants in Ohio
Physician assistant is Hilary Williamson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Hilary Williamson's licenses on file in 2 states: Ohio and Texas.
Specialties and state licenses
- Physician assistant, OhioPrimary
- Texas license
Physician assistants near Hilary Williamson
Counts of physician assistants 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
Hilary Williamson treated 37 Medicare patients in 2024, average age 72
CMS counts 37 Medicare patients who saw Hilary Williamson in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Hilary Williamson's median patient age at 5, with 15% women.
Hilary Williamson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Hilary Williamson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure68%
- Atrial fibrillation57%
- Diabetes51%
- Chronic kidney disease46%
- Arthritis38%
Share of Medicare patients with each condition. A patient can have several.
Hilary Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 5
Patient panel by sex, all payers
- Women15%
- Men85%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Hilary Williamson wrote 65 Medicare Part D claims in 2024
In 2024, Hilary Williamson wrote 65 Medicare Part D claims for 15 patients. 94% of them were for generic drugs.
Hilary Williamson's Part D claims by kind of drug, 2024
- Generic61 claims94%
- Brand-name and other4 claims6%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Hilary Williamson received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Hilary Williamson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $18.
Companies that paid Hilary Williamson 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 Hilary Williamson'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 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) |
| 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 Hilary Williamson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hilary Williamson's NPI number?
Hilary Williamson's NPI number is 1174061667. It was assigned on February 6, 2017, and it is active in the NPI Registry.
What does Hilary Williamson specialize in?
Hilary Williamson is a physician assistant in Dayton, Ohio. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Hilary Williamson practice?
Hilary Williamson practices at 1 Childrens Plz, Dayton, OH 45404. Hilary Williamson's primary practice is Dayton Children's Hospital in Dayton, Ohio, part of Dayton Children's Hospital. Dmand AI also links Hilary Williamson to 2 group practices and clinics and 1 medical group.
What is Hilary Williamson's office phone number?
The practice phone on file for Hilary Williamson is (937) 641-5509.
What is Hilary Williamson's medical license number?
Hilary Williamson holds Ohio license 50.004989RX, one of the licenses on file in 2 states.
Which states has Hilary Williamson been licensed in?
Dmand AI has state licenses on file for Hilary Williamson in Ohio and Texas.
Which hospitals is Hilary Williamson affiliated with?
Hilary Williamson practices at Dayton Children's Hospital in Dayton, Ohio.
What medical group is Hilary Williamson part of?
Hilary Williamson is linked to Premier Health Specialists. Dmand AI links Hilary Williamson to 1 more medical group.
How many Medicare patients does Hilary Williamson see?
CMS counts 37 Medicare patients who saw Hilary Williamson in 2024, with an average age of 72.
Has Hilary Williamson received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Hilary Williamson from 1 company from 2025 to 2025. The largest total came from AtriCure, Inc.
How long has Hilary Williamson been practicing?
Hilary Williamson graduated from medical school in 2016, 10 years ago.
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