William Haynes, MD
NPI 1427042340 · Emergency Medical Services (Emergency Medicine) Physician · Lantana, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Haynes, MD is a Emergency Medical Services (Emergency Medicine) Physician provider in Lantana, TX (NPI 1427042340).
Provider details
- NPI number
- 1427042340
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- J3116 (TX)
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
- 2005-09-07
- Last updated
- 2010-11-20
Frequently asked questions
- What is William Haynes's NPI number?
- William Haynes's National Provider Identifier (NPI) is 1427042340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Haynes's specialty?
- William Haynes is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is William Haynes located?
- William Haynes's practice location on file with NPPES is 9611 Arbor Ct, Lantana, TX 76226-6426.
- What is William Haynes's phone number?
- The practice phone number listed in the NPPES registry for William Haynes is (940) 725-0022.
- Does William Haynes accept Medicare?
- William Haynes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Haynes's NPI active?
- Yes — William Haynes's NPI (1427042340) is active in the NPPES registry as of the last update on 2010-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.