William Halverson, MD
NPI 1801908405 · Family Medicine Physician · New Hampton, IA
William Halverson, MD is a Family Medicine Physician provider in New Hampton, IA (NPI 1801908405).
Provider details
- NPI number
- 1801908405
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22613 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2010-01-28
Frequently asked questions
- What is William Halverson's NPI number?
- William Halverson's National Provider Identifier (NPI) is 1801908405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Halverson's specialty?
- William Halverson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Halverson located?
- William Halverson's practice location on file with NPPES is 308 N. Maple Avenue, New Hampton, IA 50659-1154.
- What is William Halverson's phone number?
- The practice phone number listed in the NPPES registry for William Halverson is (641) 394-2151.
- Is William Halverson's NPI active?
- Yes — William Halverson's NPI (1801908405) is active in the NPPES registry as of the last update on 2010-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.