William Knibbs, MD
NPI 1407875164 · Emergency Medicine Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Knibbs, MD is a Emergency Medicine Physician provider in Jacksonville, FL (NPI 1407875164).
Provider details
- NPI number
- 1407875164
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME40103 (FL)
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
- 2006-07-19
- Last updated
- 2009-12-03
Frequently asked questions
- What is William Knibbs's NPI number?
- William Knibbs's National Provider Identifier (NPI) is 1407875164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Knibbs's specialty?
- William Knibbs is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Knibbs located?
- William Knibbs's practice location on file with NPPES is 800 Prudential Dr, Jacksonville, FL 32207-8202.
- What is William Knibbs's phone number?
- The practice phone number listed in the NPPES registry for William Knibbs is (904) 396-5682.
- Does William Knibbs accept Medicare?
- William Knibbs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Knibbs's NPI active?
- Yes — William Knibbs's NPI (1407875164) is active in the NPPES registry as of the last update on 2009-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.