William K. Barnhill, CRNA
- Part D claims, 2024
- 366
- Hospital affiliations
- 5
- Industry payments
- $267
- Medical groups
- 10
- State license
- 1
- Practice address
- 1405 NW Church Street, Leon, IA 50144
- Practice phone
- Call (641) 446-4871
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Barnhill'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.
William K. Barnhill is a nurse practitioner in Leon, Iowa
William Barnhill practices at Decatur County Hospital in Leon, Iowa, part of Decatur County Health Nursing.
William Barnhill's NPI, 1710962519, was assigned on December 14, 2005. William Barnhill holds Iowa license 119257.
- NPI
- 1710962519NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436041068
- NPI enumeration date
- December 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (641) 446-4871
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William K. Barnhill practices at Decatur County Hospital in Leon, Iowa
William Barnhill's primary practice is Decatur County Hospital, at 1405 NW Church Street, Leon, IA 50144 in Decatur County. The practice phone is (641) 446-4871.
- Decatur County Hospital1405 NW Church Street, Leon, IA 50144 · Decatur CountyPhone(641) 446-4871
Source: Dmand AI Affiliation Data
William K. Barnhill is affiliated with 5 sites of care and 10 medical groups
William Barnhill's primary practice is Decatur County Hospital in Leon, Iowa, part of Decatur County Health Nursing. William Barnhill is also affiliated with Grundy County Memorial Hospital. The medical group on file is Decatur County Hospital. Dmand AI also links William Barnhill to 3 more hospitals and 9 medical groups, each named with a free account. William Barnhill's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William K. Barnhill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Barnhill practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Decatur County Hospital | Available with a free account |
| +4 more sites and 9 medical groups | 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 Decatur County Health Nursing and 6.2K+ hospitals, with verified contacts in the same login.
William K. Barnhill is one of 1,051 nurse practitioners in Iowa
Nurse practitioner is William Barnhill's primary specialty in the NPI Registry, under taxonomy code 363L00000X. William Barnhill is licensed in Iowa.
Specialties and state licenses
- Nurse practitioner, IowaPrimary
Nurse practitioners near William Barnhill
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
William K. Barnhill's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts William Barnhill's median patient age at 73, with 60% women.
William Barnhill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
William K. Barnhill wrote 366 Medicare Part D claims in 2024
In 2024, William Barnhill wrote 366 Medicare Part D claims for 64 patients. 100% of them were for generic drugs.
William Barnhill's Part D claims by kind of drug, 2024
- Generic365 claims100%
- Brand-name and other1 claims0%
Drug classes CMS tracks in William Barnhill's Part D claims, 2024
- Opioids26%94 of 366 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 William K. Barnhill takes part in Medicare
William Barnhill 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)
For MedTech and pharma teams
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William K. Barnhill received $267 in industry payments in 2025
CMS Open Payments shows 4 general payments to William Barnhill from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Globus Medical, Inc. paid the most, $167.
Companies that paid William Barnhill 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 William K. Barnhill'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 William K. Barnhill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William K. Barnhill's NPI number?
William K. Barnhill's NPI number is 1710962519. It was assigned on December 14, 2005, and it is active in the NPI Registry.
What does William K. Barnhill specialize in?
William K. Barnhill is a nurse practitioner in Leon, Iowa. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does William K. Barnhill practice?
William Barnhill practices at 1405 NW Church Street, Leon, IA 50144. William Barnhill's primary practice is Decatur County Hospital in Leon, Iowa, part of Decatur County Health Nursing. Dmand AI also links William Barnhill to 3 hospitals and 9 medical groups.
What is William K. Barnhill's office phone number?
The practice phone on file for William Barnhill is (641) 446-4871.
What is William K. Barnhill's medical license number?
William Barnhill holds Iowa license 119257.
Which hospitals is William K. Barnhill affiliated with?
William Barnhill practices at Decatur County Hospital in Leon, Iowa. William Barnhill is also affiliated with Grundy County Memorial Hospital. Dmand AI links William Barnhill to 3 more hospitals.
What medical group is William K. Barnhill part of?
William Barnhill is linked to Decatur County Hospital. Dmand AI links William Barnhill to 9 more medical groups.
Does William K. Barnhill accept Medicare?
Yes. CMS lists William Barnhill as accepting Medicare assignment.
Has William K. Barnhill received payments from drug or device companies?
CMS Open Payments shows $267 in general payments to William Barnhill from 3 companies from 2025 to 2025. The largest total came from Globus Medical, Inc.
How long has William K. Barnhill been practicing?
William Barnhill graduated from medical school in 1991, 35 years ago.
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