William Rosa
NPI 1043869670 · Medical Physician Assistant · Guaynabo, PR
William Rosa is a Medical Physician Assistant provider in Guaynabo, PR (NPI 1043869670).
Provider details
- NPI number
- 1043869670
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 305-P.A. (PR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2019-09-06
- Last updated
- 2019-09-06
Frequently asked questions
- What is William Rosa's NPI number?
- William Rosa's National Provider Identifier (NPI) is 1043869670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Rosa's specialty?
- William Rosa is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Rosa located?
- William Rosa's practice location on file with NPPES is Condominio Alamanda, Guaynabo, PR 00971.
- What is William Rosa's phone number?
- The practice phone number listed in the NPPES registry for William Rosa is (787) 242-6911.
- Is William Rosa's NPI active?
- Yes — William Rosa's NPI (1043869670) is active in the NPPES registry as of the last update on 2019-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.