Hilary Koster, NPC
- Medicare patients, 2024
- 187
- Hospital affiliations
- 1
- Industry payments
- $29
- Medical groups
- 2
- State license
- 1
- Practice address
- 200 Fleetwood Drive, Easley, SC 29640
- Practice phone
- Call (864) 442-7606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Hilary Koster'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 Koster is a nurse practitioner in Easley, South Carolina
Hilary Koster practices at Prisma Health Baptist Easley Hospital in Easley, South Carolina, part of Prisma Health.
Hilary Koster's NPI, 1144714544, was assigned on June 19, 2018. Hilary Koster holds South Carolina license 22142.
- NPI
- 1144714544NPI Registry (opens in a new tab)
- NPI enumeration date
- June 19, 2018
- NPI status
- Active
- Practice phone
- (864) 442-7606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Hilary Koster practices at Prisma Health Baptist Easley Hospital in Easley, South Carolina
Hilary Koster's primary practice is Prisma Health Baptist Easley Hospital, at 200 Fleetwood Drive, Easley, SC 29640 in Pickens County. The practice phone is (864) 442-7606.
- Prisma Health Baptist Easley Hospital200 Fleetwood Drive, Easley, SC 29640 · Pickens CountyPhone(864) 442-7606
Source: Dmand AI Affiliation Data
Hilary Koster is affiliated with 2 sites of care and 2 medical groups
Hilary Koster's primary practice is Prisma Health Baptist Easley Hospital in Easley, South Carolina, part of Prisma Health. The medical group on file is Prisma Health Medical Group. Dmand AI also links Hilary Koster to 1 more group practice or clinic 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 Koster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hilary Koster practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Baptist Easley Hospital | Available with a free account |
| +1 more site 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 Prisma Health and 6.2K+ hospitals, with verified contacts in the same login.
Hilary Koster is one of 971 nurse practitioners in South Carolina
Nurse practitioner is Hilary Koster's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Hilary Koster is licensed in South Carolina.
Specialties and state licenses
- Nurse practitioner, South CarolinaPrimary
Nurse practitioners near Hilary Koster
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
Hilary Koster treated 187 Medicare patients in 2024, average age 78
CMS counts 187 Medicare patients who saw Hilary Koster in 2024. The largest group is 75 to 84, with 62 patients. 75% of them have depression, and 75% have high blood pressure. 44% are also on Medicaid. Their average risk score is 2.37, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Hilary Koster's median patient age at 77, with 63% women.
Hilary Koster's Medicare patients by age, 2024
Hilary Koster's Medicare patients by sex, 2024
- Women10556%
- Men8244%
Chronic conditions among Hilary Koster's Medicare patients, 2024
- Depression75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Anxiety62%
- Arthritis62%
- Heart failure56%
- Ischemic heart disease54%
Share of Medicare patients with each condition. A patient can have several.
Hilary Koster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Hilary Koster received $29 in industry payments in 2025
CMS Open Payments shows 1 general payment to Hilary Koster from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Viatris Specialty LLC paid the most, $29.
Companies that paid Hilary Koster 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 Koster'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) |
| 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 Koster
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 Koster's NPI number?
Hilary Koster's NPI number is 1144714544. It was assigned on June 19, 2018, and it is active in the NPI Registry.
What does Hilary Koster specialize in?
Hilary Koster is a nurse practitioner in Easley, South Carolina. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Hilary Koster practice?
Hilary Koster practices at 200 Fleetwood Drive, Easley, SC 29640. Hilary Koster's primary practice is Prisma Health Baptist Easley Hospital in Easley, South Carolina, part of Prisma Health. Dmand AI also links Hilary Koster to 1 group practice or clinic and 1 medical group.
What is Hilary Koster's office phone number?
The practice phone on file for Hilary Koster is (864) 442-7606.
What is Hilary Koster's medical license number?
Hilary Koster holds South Carolina license 22142.
Which hospitals is Hilary Koster affiliated with?
Hilary Koster practices at Prisma Health Baptist Easley Hospital in Easley, South Carolina.
What medical group is Hilary Koster part of?
Hilary Koster is linked to Prisma Health Medical Group. Dmand AI links Hilary Koster to 1 more medical group.
How many Medicare patients does Hilary Koster see?
CMS counts 187 Medicare patients who saw Hilary Koster in 2024, with an average age of 78.
Has Hilary Koster received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Hilary Koster from 1 company from 2025 to 2025. The largest total came from Viatris Specialty LLC.
How long has Hilary Koster been practicing?
Hilary Koster's NPI was assigned in 2018.
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