William Marvin, M.D.
NPI 1548229677 · Pediatric Cardiology Physician · Jacksonville, FL
William Marvin, M.D. is a Pediatric Cardiology Physician provider in Jacksonville, FL (NPI 1548229677).
Provider details
- NPI number
- 1548229677
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME62973 (FL)
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
- 2006-03-18
- Last updated
- 2009-03-30
Frequently asked questions
- What is William Marvin's NPI number?
- William Marvin's National Provider Identifier (NPI) is 1548229677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marvin's specialty?
- William Marvin is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Marvin located?
- William Marvin's practice location on file with NPPES is 841 Prudential Dr, Jacksonville, FL 32207-8329.
- What is William Marvin's phone number?
- The practice phone number listed in the NPPES registry for William Marvin is (904) 493-1610.
- Is William Marvin's NPI active?
- Yes — William Marvin's NPI (1548229677) is active in the NPPES registry as of the last update on 2009-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.