William Langston, MD
NPI 1013903640 · Emergency Medicine Physician · Wailuku, HI
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Langston, MD is a Emergency Medicine Physician provider in Wailuku, HI (NPI 1013903640).
Provider details
- NPI number
- 1013903640
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 00026726 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2005-09-20
- Last updated
- 2009-06-17
Frequently asked questions
- What is William Langston's NPI number?
- William Langston's National Provider Identifier (NPI) is 1013903640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Langston's specialty?
- William Langston is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Langston located?
- William Langston's practice location on file with NPPES is 221 Mahalani St, Wailuku, HI 96793-2526.
- What is William Langston's phone number?
- The practice phone number listed in the NPPES registry for William Langston is (808) 242-2290.
- Does William Langston accept Medicare?
- William Langston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Langston's NPI active?
- Yes — William Langston's NPI (1013903640) is active in the NPPES registry as of the last update on 2009-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.