William Sumner, NP-C
Family Nurse Practitioner · Shenandoah, IA
William Sumner, NP-C is a family nurse practitioner with a practice address in Shenandoah, Iowa, and NPI 1437749298, issued on Jan 25, 2021. Check the license (Iowa A166252, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Sumner
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- A166252 IA
2023042385 MO
113978 NE
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pershing Ave, Shenandoah, IA 51601
- Phone
- (712) 246-7400
- Enumerated
- Jan 25, 2021
- Record last updated
- Jul 1, 2026
- Medicare enrollment
- Enrolled (PECOS I20250702003787); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,971 in Iowa → Look up another NPI →
Also registered at 300 Pershing Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Sumner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A166252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,088 Medicare Part D claims for 86 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Bupropion Xl84 claims
- Trazodone Hcl65 claims
- Quetiapine Fumarate48 claims
- Buspirone Hcl42 claims
- Alprazolam34 claims
- Risperidone31 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: $605.83
40 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
2 hospitals and group practices
- Community Healthcare Partners NE LLCLincoln, NE
- Shenandoah Medical CenterShenandoah, IA · Critical Access Hospitals
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).
William Sumner among 1,971 family nurse practitioner records in Iowa
William Sumner, NP-C is one of 1,971 family nurse practitioner records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 25% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2021 · median 2018 among the 1,398 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family nurse practitioner records list a practice address in Shenandoah
They are 9 of the 105 NPPES records with a practice address in Shenandoah, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Shenandoah → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Alexandra Armstrong, FNP-BCShenandoah, IA 516011982354130
- Dena Herzberg, ARNPShenandoah, IA 516011952914566
- Connie Holmes, ARNPShenandoah, IA 516011558483784
- Renee Johnson, N.P.Shenandoah, IA 516011528474889
- Holly Jorgensen, FNP, ARNPShenandoah, IA 516011134966195
- Kelly Kline, FNP-CShenandoah, IA 516011730067299
- Stephanie Robinette, ARNPShenandoah, IA 516011376037770
- Shelby Vanleuven, ARNPShenandoah, IA 516011124852611
Common questions
What is William Sumner, NP-C's NPI number?
William Sumner, NP-C's National Provider Identifier (NPI) is 1437749298, issued on Jan 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Sumner, NP-C located?
The NPPES record lists a practice address at 300 Pershing Ave, Shenandoah, IA, 51601. Phone: (712) 246-7400. Providers update this record themselves, so call before visiting.
How can I verify William Sumner, NP-C's license?
NPPES lists Iowa license number A166252, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does William Sumner, NP-C prescribe under Medicare Part D?
In 2024, William Sumner, NP-C had 1,088 Medicare Part D claims for 86 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.