Margaret Difelice, PA C
NPI 1356489678 · Medical Physician Assistant · Fairfield, CA
Margaret Difelice, PA C is a Medical Physician Assistant provider in Fairfield, CA (NPI 1356489678).
Provider details
- NPI number
- 1356489678
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA C
- Sex
- Female
- Sole proprietor
- No
- License
- PA11565 (CA)
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
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
- 2007-02-01
- Last updated
- 2014-09-24
Frequently asked questions
- What is Margaret Difelice's NPI number?
- Margaret Difelice's National Provider Identifier (NPI) is 1356489678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Difelice's specialty?
- Margaret Difelice is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Difelice located?
- Margaret Difelice's practice location on file with NPPES is 1525 Webster St Ste a, Fairfield, CA 94533-4935.
- What is Margaret Difelice's phone number?
- The practice phone number listed in the NPPES registry for Margaret Difelice is (707) 423-2506.
- Is Margaret Difelice's NPI active?
- Yes — Margaret Difelice's NPI (1356489678) is active in the NPPES registry as of the last update on 2014-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.