William K. Barnhill, CRNA
Nurse Practitioner · Cedar Rapids, IA
William K. Barnhill, CRNA is a nurse practitioner with a practice address in Cedar Rapids, Iowa, and NPI 1710962519, issued on Dec 14, 2005. Check the license (Iowa 119257, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William K. Barnhill
- Credential
- CRNA
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 119257 IA
D119257 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3500 Edgewood RD NE, Cedar Rapids, IA 52402
- Phone
- (319) 540-1460
- Enumerated
- Dec 14, 2005
- Record last updated
- Sep 25, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090506000283); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,294 in Iowa → Look up another NPI →
Verify William K. Barnhill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 119257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average nurse practitioner in 2024
366 Medicare Part D claims for 64 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 94 claims were for opioids.
Most prescribed
- Gabapentin100 claims
- Tramadol Hcl45 claims
- Nortriptyline Hcl26 claims
- Tizanidine Hcl21 claims
- Celecoxib16 claims
- Methadone Hcl15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $365.06
5 payments; by number, the most common kind was food and beverage; the largest payer was Stratus Medical, LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Cass County Memorial HospitalAtlantic, IA · Critical Access Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William K. Barnhill among 1,294 nurse practitioner records in Iowa
William K. Barnhill, CRNA is one of 1,294 nurse practitioner records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1991 · median 2018 among the 873 with a school on file
- Record last updated2015 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
70 nurse practitioner records list a practice address in Cedar Rapids
They are 70 of the 2,949 NPPES records with a practice address in Cedar Rapids, and 1,294 nurse practitioner records in Iowa.
All 1,294 in Iowa → Every provider in Cedar Rapids → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Erin Balk, ARNPCedar Rapids, IA 524021942615042
- Molly Bauer, ARNPCedar Rapids, IA 524021902139363
- Staci Becker, ARNPCedar Rapids, IA 524021730563727
- Valerie Boddicker, ARNPCedar Rapids, IA 524021417091422
- Keesha Causemaker, NPCedar Rapids, IA 524021245554047
- Julie CaylerCedar Rapids, IA 524021972741726
- Mary Gureno, ARNPCedar Rapids, IA 524021891772729
- Mary Horn, ARNPCedar Rapids, IA 524021104804822
Common questions
What is William K. Barnhill, CRNA's NPI number?
William K. Barnhill, CRNA's National Provider Identifier (NPI) is 1710962519, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William K. Barnhill, CRNA located?
The NPPES record lists a practice address at 3500 Edgewood RD NE, Cedar Rapids, IA, 52402. Phone: (319) 540-1460. Providers update this record themselves, so call before visiting.
How can I verify William K. Barnhill, CRNA's license?
NPPES lists Iowa license number 119257, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does William K. Barnhill, CRNA prescribe under Medicare Part D?
In 2024, William K. Barnhill, CRNA had 366 Medicare Part D claims for 64 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.