William Sumner, ARNP
NPI 1437749298 · Family Nurse Practitioner · Shenandoah, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Sumner, ARNP is a Family Nurse Practitioner provider in Shenandoah, IA (NPI 1437749298).
Provider details
- NPI number
- 1437749298
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Male
- Sole proprietor
- No
- License
- 2023042385 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bupropion Hclbrand: Bupropion Xl | 84 | 11 |
| Trazodone Hcl | 65 | 13 |
| Quetiapine Fumarate | 48 | — |
| Buspirone Hcl | 42 | — |
| Alprazolam | 34 | — |
| Risperidone | 31 | — |
| Escitalopram Oxalate | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$606 across 40 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-01-25
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is William Sumner's NPI number?
- William Sumner's National Provider Identifier (NPI) is 1437749298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sumner's specialty?
- William Sumner is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Sumner located?
- William Sumner's practice location on file with NPPES is 300 Pershing Ave, Shenandoah, IA 51601-2355.
- What is William Sumner's phone number?
- The practice phone number listed in the NPPES registry for William Sumner is (712) 246-7400.
- Does William Sumner accept Medicare?
- William Sumner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Sumner's NPI active?
- Yes — William Sumner's NPI (1437749298) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.