WILLIAM K BARNHILL CRNA
NPI 1710962519
Nurse Practitioner in Cedar Rapids, IA
About William K Barnhill Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM K BARNHILL CRNA (NPI 1710962519) is an individual nurse practitioner in Cedar Rapids, Iowa, licensed in Iowa (119257) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Grundy County Memorial Hospital, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William K Barnhill Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
10Medicare enrollment records show William Barnhill reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manchester, IA 52057
- Reassigned Medicare billing, Iowa enrollment
- 169 clinicians in this Medicare group
Grundy Center, IA 50638
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1821055989 (Iowa)
- 62 clinicians in this Medicare group
Waverly, IA 50677
- Reassigned Medicare billing, Iowa enrollment
- 38 clinicians in this Medicare group
West Union, IA 52175
- Reassigned Medicare billing, Iowa enrollment
- 83 clinicians in this Medicare group
Maxwell, IA 50161
- Reassigned Medicare billing, Iowa enrollment
- 30 clinicians in this Medicare group
Hampton, IA 50441
- Reassigned Medicare billing, Iowa enrollment
- 27 clinicians in this Medicare group
Montfort, WI 53569
- Reassigned Medicare billing, Wisconsin enrollment
- 166 clinicians in this Medicare group
Jefferson, IA 50129
- Reassigned Medicare billing, Iowa enrollment
- 13 clinicians in this Medicare group
Leon, IA 50144
- Reassigned Medicare billing, Iowa enrollment
- 38 clinicians in this Medicare group
Massena, IA 50853
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1093760944 (Iowa)
- 112 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Grundy County Memorial Hospital
Critical Access Hospitals · Grundy Center, IAGreene County Medical Center
Critical Access Hospitals · Jefferson, IAStory County Hospital
Critical Access Hospitals · Nevada, IADecatur County Hospital
Critical Access Hospitals · Leon, IACass County Memorial Hospital
Critical Access Hospitals · Atlantic, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52402 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Barnhill's NPI number?
The NPI number for William Barnhill is 1710962519. It was assigned to this individual provider in the NPPES registry on December 14, 2005.
Where is William Barnhill located?
William Barnhill practices at 3500 Edgewood Rd NE Apt 201, Cedar Rapids, IA 52402. The listed phone number is (319) 540-1460.
What is William Barnhill's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is William Barnhill enrolled in Medicare?
Yes. William Barnhill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Barnhill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Barnhill reassigns Medicare benefits to 10 organizations: Delaware County Memorial Hospital (Manchester, IA), Grundy County Memorial Hospital (Grundy Center, IA), Waverly Health Center (Waverly, IA), Palmer Lutheran Health Center, Inc. (West Union, IA), Story County Hospital (Maxwell, IA) and 5 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Barnhill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Barnhill accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 2 other insurers list William Barnhill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Barnhill affiliated with any hospitals?
According to CMS data, William Barnhill is affiliated with Grundy County Memorial Hospital, Greene County Medical Center, Story County Hospital, Decatur County Hospital and Cass County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for William Barnhill was last updated on September 25, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# William K Barnhill, CRNA · NPI 1710962519
Nurse Practitioner physician in Cedar Rapids, Iowa. Individual provider, active in the CMS NPPES registry since December 14, 2005.
## Identity
- **NPI:** 1710962519 (Entity type: Individual)
- **Enumerated:** December 14, 2005
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 119257 (Iowa)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3500 EDGEWOOD RD NE, APT 201, Cedar Rapids, IA 52402-7588
- **Phone:** (319) 540-1460
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Delaware County Memorial Hospital (NPI 1326073669, Manchester, IA); Grundy County Memorial Hospital (NPI 1114012085, Grundy Center, IA); Waverly Health Center (NPI 1033125463, Waverly, IA); Palmer Lutheran Health Center, Inc. (NPI 1598765398, West Union, IA); Story County Hospital (NPI 1184697419, Maxwell, IA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** September 25, 2015
- **Other identifiers:** Medicare ID-Type Unspecified K04981 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1710962519) · Data from the CMS NPPES public registry.