William Eilert, MD
NPI 1003859653 · Emergency Medicine Physician · Wailuku, HI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Eilert, MD is a Emergency Medicine Physician provider in Wailuku, HI (NPI 1003859653).
Provider details
- NPI number
- 1003859653
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4415 (HI)
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
20 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
- 2006-06-13
- Last updated
- 2008-10-09
Frequently asked questions
- What is William Eilert's NPI number?
- William Eilert's National Provider Identifier (NPI) is 1003859653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Eilert's specialty?
- William Eilert is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Eilert located?
- William Eilert's practice location on file with NPPES is 221 Mahalani St, Wailuku, HI 96793-2526.
- What is William Eilert's phone number?
- The practice phone number listed in the NPPES registry for William Eilert is (808) 879-6071.
- Does William Eilert accept Medicare?
- William Eilert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Eilert's NPI active?
- Yes — William Eilert's NPI (1003859653) is active in the NPPES registry as of the last update on 2008-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.